Leading the way in pressure relief technology

Product Overview - Pressure Relief Valves The premier option for pressure relief devices. Technology leadership with reliable and efficient overpressure protection. Meeting all your Pressure Relief Needs

Emerson has the most comprehensive range of pressure relief devices, designed for applications from gas to steam, liquid and mixed phases, from cryogenic temperatures to super-critical boilers. We have developed pressure relief devices to protect all your assets, backed by global support to help keep your plant operating safely, consistently and economically.

When you want a partner who can help you operate safely, improve reliability and optimize plant performance, you can be sure that Emerson has the complete solution.

2 Pressure Relief Devices for all applications

Emerson’s pressure relief portfolio Additional testing and research facilities are Contents provides a complete range of located in Mansfield, MA, USA; Manchester, Spring Loaded Safety Valves 4 standard and customized solutions, UK; Korschenbroich, Germany; and Pilot Operated Safety Valves 8 whatever demand you have for Qingpu, China, our engineering teams Steam & Power Safety Valves 10 pressure protection. have designed testing equipment and Low Pressure Relief Valves 14 Global performance procedures that assure optimum valve Monitoring Solutions 16 Emerson is an industry leader in pressure performances under all service conditions. Speciality Valves 18 relief valve technology. A single point Featuring full cryogenic flow testing provider, we offer an extensive product capabilities down to -320°F / -196°C, and Lifecycle Services 20 range for reliable performance with lower full flow steam testing, these facilities are QuickShip Program 21 amongst the largest in the world and are valve life-cycle costs and unique solutions. Testing 22 Our unmatched engineering and technical used for research, experimentation, and Sizing Tools 22 expertise provides you with the pressure control of emissions on relief devices. Training and Support 22 management products, application solutions and services that will positively Certifications 23 impact your business. Test facilities Our ASME Certified Flow facility in El Campo, TX, USA have been the catalyst in continuing many years of product development and industry leadership.

3 Spring Loaded Pressure Valves

Emerson manufactures a complete Anderson Greenwood Anderson Greenwood range of spring loaded pressure Series 60 Series 81 & 83 relief valves from general pressure The Type 63B is a small sturdy safety valve The Types 81and 83 soft seated safety protection to extreme conditions. with soft seat as standard for low and valves provides repeatable leak-free Designed, certified and tested in medium pressure gas and liquid thermal performances with low cost maintenance. accordance to most codes and relief applications. With instantaneous pop full opening and standards around the world like Brass construction. externally adjustable blowdown. ASME, PED, CU-TR, AD-2000, API, EN. Soft seat as standard: They are available in a large array of Technical Data Sizes: Type 81: plastic seat. materials, from carbon steels to nickel ½ x 1 to ¾ x 1 in. alloys, duplexes, titanium, brass, with [DN 15 x 25 to 20 x 25] Type 83: O-ring seat. cast, forged or HIPS bodies. Set Pressures: Technical Data With metal or soft seats, threaded, 30 to 531 psig [2.0 to 36.6 barg] Sizes: ½ x ¾ to 2 x 3 in. flanged, welded or hub connections, Temperature Range: [DN 15 x 20 to 50 x 80] the largest range of pressure relief -320 to 400°F [-196 to 205°C] Set Pressures: Connections: valves builds on many decades of 20 to 10,000 psig [1.4 to 690 barg] experience from our main brands. Threaded NPT Temperature Range: Applications Anderson Greenwood™ -423 to 550°F [-253 to 288°C] Low to medium pressure gas and liquid. Crosby™ Connections: Thermal relief applications. Threaded NPT Sempell™ Flanges ANSI or EN CO systems, natural gas transmission. 2 Hub connections Global Standards Applications ASME Section VIII Cryogenic gases or liquid in ISO EN4126 thermal expansion. Oxygen service. Hard-to-hold gases. High pressure services. Global Standards ASME Section VIII ISO EN4126

4 Anderson Greenwood Crosby Crosby Series 81P Styles JOS-E & JBS-E Styles 900 OMNI-Trim® The Type 81P is specifically designed for Conventional and balanced bellows spring Single trim design, fixed blowdown liquid applications. Naturally balanced loaded pressure relief valves built in for medium flow of gas, steam or against backpressure, its stabilizing accordance with API Standards 526 and liquid applications. ring prevents destructive chattering, 527 for gases and steam. Styles JLT JOS-E Metal or soft seat. common on liquid applications. and JLT JBS-E for liquid service and two Gasket-less design. Soft seat as standard (PTFE, PCTFE). phase applications. Technical Data API Std 526 / EN 1092-1 Technical Data Sizes: Sizes: flanged connections. ½ x 1 to 2 x 2 in. ½ x 1 to 2 x 3 in. Single nozzle ring. [DN 15 x 25 to 50 x 50] [DN 15 x 25 to 50 x 80] Set Pressures: Metal and soft seats available. Set Pressures: 5 to 5000 psig [0.34 to 345 barg] 50 to 6000 psig [3.4 to 414 barg] Multiple options, configurations Temperature Range: Temperature Range: and accessories. -450 to 750°F [-268 to +399°C] -65 to 400°F [-54 to 205°C] Technical Data Connections: Special version available to -320°F [-196°C] Sizes: Threaded NPT, BSP Connections: 1 x 2 to 12 x 16 in. Flanges ANSI 150# to 2,500#, EN Threaded NPT [DN 25 x 50 to 200 x 250] Hub connections Flanges ANSI or EN Set Pressures: Socket Weld Hub connections 5 to 6000 psig [0.34 to 414 barg] Applications Applications Temperature Range: Low to medium flow applications. Low to medium pressure gas and liquid. -450 to 1000°F [-268 to 538°C] Liquid in thermal expansion. Thermal relief applications. Connections: FFlanges ANSI 150# to 2500# Gas, liquid and steam. CO systems, natural gas transmission. 2 EN 1092-1 PN 10 to PN 40 Global Standards Hub Connections Global Standards ASME Section VIII ASME Section VIII Applications ISO EN4126 ISO EN4126 Medium to high pressure gas and liquid relief applications. Oil & gas, refining, chemicals. Global Standards ASME Section VIII ISO EN4126

5 Crosby Sempell Sempell Styles BP OMNI-Trim® Type S Type MAXI S Balanced piston, single trim design for Conventional and balanced bellows High flow safety relief valves for gas, steam, gas, liquid and mixed-phase applications spring loaded pressure relief valves built liquid and mixed-phase applications. involving variable back pressure. in accordance to AD-2000 (S-DIN) or Allows the reduction in number of pressure With O-ring seat as standard. API Std 526 (S-API) for gases, steam, relief valves to protect low to medium Balanced piston design for high liquid and mixed-phase applications. pressure equipment. backpressure applications. Flanged connections ANSI, or DIN. Metal or soft seat. Technical Data With or without single nozzle ring. Extra-large capacities within a very Sizes: Metal and soft seats available. compact low-profile valve. ¾ x 1 to 1 x 1 in. Balanced bellows available. [DN 20 x 25 to 25 x 25] Multiple options, configurations and Set Pressures: accessories. Technical Data 50 to 1500 psig [3.4 to 103 barg] Technical Data Sizes: Inlet 10 to 24 in. Temperature Range: Sizes: [DN 250 to 600] -20 to 400°F [-28 to 205°C] 1 x 2 to 8 x 10 in. Connections: [DN 25 x 50 to 200 x 250] Set Pressures: 4 to 350 psig [0.3 to 24 barg] Threaded NPT Set Pressures: Flanges ANSI or EN 15 to 6200 psig [1 to 427 barg] Temperature Range: Hub connections -58 to 1300°F [-50 to 700°C] Temperature Range: Socket Weld -450 to 1300°F [-268 to 700°C] Connections: Flanges DIN, EN or ANSI Applications Connections: Welded connections Low flow applications with variable ANSI 150# to 2,500#, backpressure. DIN PN10 to 400, EN Applications Welded connections Liquid in thermal expansion. High capacity flow applications. Applications Global Standards Global Standards Medium to high pressure gas and ASME Section VIII ASME Section VIII liquid relief applications. ISO EN4126 ISO EN4126 Oil & gas, refining, chemicals. Global Standards ASME Section VIII ISO EN4126

6 Sempell Sempell Type Mini S Type VSEO Single trim design, fixed blowdown for Conventional relief valve for low small flow of gas, steam, liquid and mixed flow and high pressure applications. phase applications. Single trim design for gas, steam, Metal or soft seat. liquid and mixed-phase applications. Balanced bellows available. 304 stainless steel construction. Technical Data Metal or soft seat. Sizes: Technical Data ½ x 1 to 1 x 1 in. Sizes: [DN 15 x 25 to 25 x 25] ½ x 1 to 1 x 1 in. Set Pressures: [DN 15 x 25 to 25 x 25] 15 to 750 psig [1 to 52 barg] Set Pressures: Temperature Range: 15 to 6400 psig [1 to 440 barg] -330 to 390°F [-200 to 200°C] Temperature Range: Connections: -320 to 400°F [-196 to 205°C] Threaded Connections: Flanges DIN, EN or ANSI Threaded Metric, NPT Applications Flanges DIN, EN or ANSI Low to medium flow applications. Applications Liquid in thermal expansion Including Low flow high pressure applications. applications with high backpressure. Liquid in thermal expansion. Global Standards Global Standards ASME Section VIII ISO EN4126 ISO EN4126

7 Pilot Operated Pressure Relief Valves

With the broadest range of pilot Anderson Greenwood Anderson Greenwood operated pressure relief valves, Series 200 Series 400 Emerson is able to solve the most The pop action 200 is still the standard of A non-flowing, fully modulating pilot demanding pressure protection reference for pilot operated pressure relief operated pressure relief valve, the challenges, providing reliable valves. With soft seat and a non-flowing Series 400 is ideal on gas, liquid and mixed protection at low operating costs. pilot, it is perfectly suited for gas and phase, including heavily dirty applications. With pop or modulating action, some mixed phase applications, including Its perfect modulating action ensures from cryogenics to high temperatures, cryogenic services. It is also suitable for a fully proportional opening to eliminate designed, certified and tested in services with dirt, hydrates or high levels destructive effects of liquid hammer, accordance to most codes and of moisture. reduce emissions, while providing a stable standards around the world, our Soft seat, elastomer or plastic. operation even with high inlet losses. pilot operated pressure relief valves API Std 526 fully compliant or with The Series 400 is the most suitable safety are available in many materials and full bore orifices. valve for mixed phase applications. configurations to suit all applications, Soft seat, elastomer or plastic. including dirty fluids, while reducing Field test connection and complete scope weight, enabling in-line checking of accessories and configurations. API Std 526 fully compliant or with and maintenance for lower cost Technical Data full bore orifices. of ownership. Sizes: Field test connection and complete scope 1 x 2 to 10 x 14 in. of accessories and configurations. The configurations and options [DN 25 x 50 to 250 x 350] available provide the perfect match Technical Data Set Pressures: Sizes: for any application that requires highly 25 to over 6170 psig [1.7 to over 425 barg] 1 x 2 to 10 x 14 in. reliable protection and flexibility. Up to 10,000 psig [689 barg] on request [DN 25 x 50 to 250] Temperature Range: Anderson Greenwood™ Set Pressures: -423 to 600°F [-253 to 315°C] 15 to 1480 psig [1 to 102 barg] Connections: Temperature Range: Threaded NPT 1 & 1½ in., DN 25 & 40 -65 to 600°F [-54 to 315°C] Flanges ANSI and API Also to -320°F [-196°C] on request Hub connections Connections: Applications Threaded NPT 1 & 1½ in., DN 25 & 40 Gas and vapors. Flanges ANSI and API Hub connections Liquefied gases. Applications Oxygen service. Gas, vapor, liquid and mixed phase. High pressure compressors. FCCU full protection. Marine gas carriers. Marine gas carriers. Global Standards Global Standards ASME Section VIII ASME Section VIII ISO EN4126 ISO EN4126

8 Anderson Greenwood Anderson Greenwood Anderson Greenwood Series 400 ISO-DOME Series 500 Series 800 The non-flowing ISO-DOME specific This unique modulating pilot operated The Series 800 is the higher pressure configuration of the Series 400 pilot pressure relief valve is specifically version of the Series 400. A modulating provides full protection of the critical designed to handle hot water, steam, hot valve that utilizes the most advanced pilot internals from highly viscous, hydrocarbons vapors or liquids and other design in pilot technology. It is ideal on dirty, waxy or polymerizing process aggressive fluids, using only inert plastic gas, liquid and mixed phase, including media. It enables to benefit from the full soft goods. dirty applications, with a full modulating modulating pilot operated pressure relief All plastic soft goods, seats and seals. action up to 425 barg [6170 psig]. valve accuracy and dependability even on The Series 800 is the most suitable pressure API Std 526 fully compliant or with the most difficult process fluids. relief valve for high pressure mixed full bore orifices. Soft seat, elastomer or plastic. phase applications. Field test connection and complete scope Soft seat, elastomer or plastic. API Std 526 fully compliant or of accessories and configurations. with full bore orifices. API Std 526 fully compliant or with Technical Data full bore orifices. Field test connection and complete scope Sizes: of accessories and configurations. 1½ x 2 to 10 x 14 in. Field test connection and complete scope [DN 40 x 50 to 250 x 350] Technical Data of accessories and configurations. Sizes: Set Pressures: Technical Data 15 to 720 psig [1 to 50 barg] 1 x 2 to 10 x 14 in. Sizes: [DN 25 x 50 to 250 x 350] Temperature Range: 1 x 2 to 4 x 6 in. Set Pressures: -65 to 515°F [-54 to 268°C] [DN 25 x 50 to 100 x 150] Also down to -320°F [-196°C] on request 15 to 1480 psig [1 to 102 barg] Set Pressures: Temperature Range: Connections: 1481 to 6170 psig [102 to 425 barg] ANSI Flanges -65 to 600°F [-54 to 315°C] Temperature Range: Also down to -320°F [-196°C] on request Applications -65 to 600°F [-54 to 315°C] Connections: Hot water and process steam. Connections: Threaded NPT 1 & 1½ in., DN 25 & 40 Threaded NPT 1 & 1½ in., DN 25 & 40 Aggressive media, gases, liquids or Flanges ANSI and API Flanges ANSI and API Hub connections mixed phases. Hub connections Applications Global Standards Applications Viscous fluid, gas, vapor, liquid and ASME Section VIII High pressure gas, vapor, mixed phase. ISO EN4126 liquid and mixed phase. Polymerizing service. Global Standards Dirty service, hydrates. ASME Section VIII Global Standards ISO EN4126 ASME Section VIII ISO EN4126

9 Steam & Power Safety Valves

Protecting steam processes against Crosby Crosby over-pressure has always been one Style HSJ Style HE ISOFLEX® of the most challenging duties for Full nozzle safety valve for saturated and The HE is a high capacity safety valve, engineers. Spring loaded, pilot superheated steam service. The Style HSJ specifically designed for boiler drum operated or power assisted, with is the work-horse for medium pressure service, saturated steam applications. certifications from ASME I & VIII, PED, boilers. It is also certified for economizer The backpressure-assist combined with the TÜV, CU-TR, SELO, LRS and others, applications when a spring loaded safety ISOFLEX® seat design provides premium Emerson has built on more than 140 valve is preferred. operation and seat tightness on these years of experience to provide the Two control rings design FLEXI-DISC® seat highly critical applications. safety valve that will fit your exact to ensure a flat and tight seal. Seat tightness 93% of set pressure. requirements to reliably protect assets. High flow coefficient of discharge for Two control rings design. From low pressure steam to super most economical valve selection. -critical boilers, each safety valve is Backpressure-assist closing feature and supported with some of the largest Technical Data patented educator control to ease Sizes: steam testing facilities in the world. adjustments. 1½ x 2 to 6 x 8 in. Weld end valves shipped as two assemblies Also available is a complete range of [DN 40 x 50 to 150 x 200] portable test equipment to maintain to minimize installation time and labor. Set Pressures: protection and reduce operation costs. Up to 2700 psig [186 barg] Technical Data Anderson Greenwood™ Temperature Range: Sizes: Up to 1000°F [538°C] 2½ x 6 to 4 x 8 in. Crosby™ [DN 65 x 150 to100 x 200] Connections: Sempell™ ANSI flanged 150# to 2,500# Set Pressures: Up to 3060 psig [211 barg] Applications Temperature Range: Medium pressure boilers. Up to 750°F [399°C] Steam accumulators. Connections: Economizer. ANSI flange inlet and outlet Butt-weld inlet with ANSI flange outlet Process steam systems. Applications Global Standards Boiler drums. ASME Section I Saturated steam. ASME Section VIII ISO EN4126 Global Standards ASME Section I ISO EN4126

10 Crosby Crosby Anderson Greenwood Style HCI ISOFLEX® Style HCA-I ISOFLEX® Series 727 The HCI provides exacting protection Super-critical boilers need particular With a full metal seat configuration both in for boiler drums and super-heaters, design considerations for their very the main valve and the pilot, the Series 727 reheaters or any other high pressure steam demanding pressure protection. is a unique pop action pilot operated safety applications. Available with restricted lift The HCA has been specifically developed valve to handle any hot gas or process for full flexibility according to the needs of for super- critical steam applications, steam application. the application. building on the extensive experience and Full metal configuration. tests accumulated by our engineers. Seat tightness 93% of set pressure Dampening functions to increase life cycle. or higher. Seat tightness 93% of set pressure Adjustable blowdown 3 to 15%. Two control rings design. or higher. Manifolded dual pilot configuration ® Two control rings design. ISOFLEX seat design technology. available for ease of maintenance and ® Weld end valves shipped as two assemblies ISOFLEX seat design technology. operation. to minimize installation time and labor. Weld end valves shipped as two assemblies Field test connection, and complete scope Restricted lift from 100% to 30% (HCI-R). to minimize installation time and labor. of accessories and configurations. Restricted lift to match exactly the capacity Full flexibility to balance the relieving Technical Data required to flow. capacity requirements between the Sizes: boiler valves. Technical Data 2 x 3 to 8 x 10 in. [DN 50 x 80 to 200 x 250] Technical Data Sizes: 2½ x 6 and 3 x 8 in. Sizes: Set Pressures: [DN 65 x 150 and DN 80 x 200] 1½ x 3 to 6 x 10 in. 50 to 1200 psig [3.5 to 83 barg] [DN 40 x 80 to150 x 250] Set Pressures: Temperature Range: Up to 5000 psig [345 barg] Set Pressures: Up to 1000°F [538°C] Up to 3000 psig [207 barg] Temperature Range: Connections: Up to 1100°F [593°C] Temperature Range: ANSI flange inlet and outlet Up to 1120°F [604°C] Connections: Applications Butt-weld inlet with ANSI flange outlet Connections: Process steam. ANSI flange inlet and outlet Applications Steam turbine extractions. Butt-weld inlet with ANSI flange outlet Super-critical steam. High temperature gas. Applications Global Standards Reduced foot-print. Boiler drums and super-heaters, reheaters. ASME Section I Saturated and super-heated steam. ASME Section VIII Global Standards Global Standards ISO EN4126 ASME Section VIII ASME Section I ISO EN4126 ASME Section VIII ISO EN4126

11 Anderson Greenwood Sempell Sempell Series 5200 Type SOH / SOT Type EPRV Developed specifically to address These Controlled Safety Pressure Relief This power-actuated relief valve economizer applications requiring Systems (CSPRS) use an actuator to provides venting capacity as required for premium performance on both steam and provide perfectly controlled performance ASME I boilers. hot water mixed phase. in pressure protection in full compliance The SEP valve is pneumatically actuated by Being a fully modulating pilot operated of EN and TRD requirements. the STE8 control unit for total control of pressure relief valve, the Series 5200 is the These valves can be fully customized to the performances of the valve. ideal solution to this difficult application. perfectly suit the requirements of the Forged body construction. application for seat tightness, overpressure Metal seat tightness to 96% of set. Helical or disc spring. and blowdown performances. Non-flowing full modulating pilot. Adjustable small opening and closing Unique condensate trap to handle Helical spring (Type SOH) or disc spring pressure difference. (Type SOT) for larger valves. changing service conditions between Adjustments and checks possible without steam and water. Combined with STE4 electro-pneumatic lowering the system pressure. Field test connection, and complete scope control unit or STE5 pneumatic control Easy in-line maintenance. of accessories and configurations. unit, with redundances and in-line checks. Technical Data Technical Data Technical Data Sizes: Sizes: Sizes: 2½ x 4 in. 1½ x 2 to 8 x 10 in. SOH: 3 to 12 in. [DN 80 to 300] [DN 65 x 100] [DN 40 x 25 to 200 x 250] SOT: 6 to 24 in. [DN 150 to 600] with 3 different nozzle sizes available Set Pressures: Set Pressures: Set Pressures: Up to 6250 psig [431 barg] 145 to 7250 psig [10 to 500 barg] Up to 7250 psig [500 barg] Temperature Range: Temperature Range: Temperature Range: Up to 1000°F [538°C] Up to 1300°F [700°C] Up to 1300°F [700°C] Connections: Connections: Connections: ANSI flange inlet and outlet Flanges, ANSI or DIN/EN Flanges, ANSI or DIN / EN Butt-welded inlet and outlet Applications Butt-welded inlet and outlet Economizer. Applications Applications EN12952 and TRD boilers. Saturated steam. Steam boilers venting. Saturated super-heated and Hot water. High pressure steam venting. super-critical steam. Global Standards Global Standards Also suitable for specific gas applications ASME Section I (Economizer) ASME Section I where full control is required. ASME Section VIII ISO EN4126 ISO EN4126 Global Standards ISO EN4126 TÜV type-tested to PED

12 13

Low Pressure Relief Valves

Designed for extremely accurate low Anderson Greenwood Anderson Greenwood pressure protection with configuration Types 9300 & 9300H Type 9200 flexibility for ease of maintenance and Full bodied valves to pipe away the The Type 9200 operates like the 9300 enhanced reliability. The soft seats discharge, Types 9300 & 9300H are but discharges directly to atmosphere are specially designed to provide fully balanced against back-pressure. and has no provision to be piped away. The modular concept allows them to be extreme tightness even under the Its vent configuration provides enhanced used in the pilot operated pressure relief lowest pressures. These valves feature mode and simultaneously provides vacuum flow capacities. very large capacities for the most relief, either via weight load or with a PTFE & FEP seat, seals and diaphragms. economical configuration. Type 9000 specific vacuum pilot. They can also be Aluminum or stainless steel construction. valves can provide protection for both used for pressure only (blocked on vacuum) pressure and vacuum, while the 96A or vacuum only (blocked on pressure). Field Test Connection, and complete scope vacuum breaker brings unrivalled extra The 9300H version has been optimized of accessories and configurations. for very large flows, providing economical large capacities for protecting the Technical Data reduction in size of valves and piping, Sizes: largest storage tanks. or in the number of valves required for 2 to 12 in. large storage tanks, onshore and offshore. Designed, certified and tested in [DN 50 to 300] accordance to most codes and Each size has been flow tested and certified. Set Pressures: standards like ASME VIII, PED, CU-TR, Field Test Connection, and complete scope 4 in. w.c. to 5 psig [10 to 345 mbarg], API 2000, IMO rules they are available of accessories and configurations. pilot operated in carbon steels, stainless steel Technical Data Set Vacuum: and aluminium. Sizes: -1 oz [-4.3 mbarg] full open, weight loaded 2 x 3 to 14 x 18 in. Anderson Greenwood™ -2 in. w.c. to -5 psig [-5 to -345 mbarg], [DN 50 x 80 to 350 x 450] pilot operated Set Pressures: Temperature Range: 4 in. w.c. to 50 psig [10 mbarg to 3.5 barg], -320 to 200°F [-196 to 93°C] pilot operated Connections: Set Vacuum: Studded ANSI inlet flange -1 oz [-4.3 mbarg] full open, weight loaded -2 in. w.c. to –5 psig [-5 to –345 mbarg], Applications pilot operated Air separation cryogenic storage tanks, Temperature Range: LOX, LIN, LAR. -320 to 200°F [-196 to 93°C] Air blowers. Connections: Non-hazardous low pressure gas. ANSI flanges with studded inlet Applications Global Standards Refrigerated and cryogenic storage tanks API 2000 including LNG, vapor recovery systems, ASME Section VIII LPG, ethylene, ammonia, LNG and LPG ISO EN4126 carriers, F-LNG, FSRU. Low pressure processes where discharge is piped away or connected to a flare or recirculation system. Global Standards API 2000 ASME Section VIII ISO EN4126 14 Anderson Greenwood Anderson Greenwood Anderson Greenwood Type 93 Type 96A Type MLCP The Type 93 pilot operated pressure relief The 96A is a weight loaded vacuum breaker Modulating Large Capacity Pilot safety valve is designed with elastomer seats and designed to complement pressure relief valve designed for low pressure gas and seals for accurate and reliable low pressure products, especially when seeing high vapor service. The internal pressure protection in petrochemical and chemical positive operating pressure. sensing and integrated pilot makes it a very processes and storage tanks. Its enhanced seat design provides premium compact, simple, high performance and If required, the fully modulating pilot can tightness very close to the opening point. cost effective valve. easily be adjusted to pop action. The internal flow path has been optimized Internal pressure sensing. to provide the largest flow capacities. Elastomer seats and seals. FKM soft seats and seals. Special dual soft seat. Elastomer or PTFE diaphragms. Full bore orifices for maximum flow. Weight-loaded vacuum protection only. Pressure protection only. Field test connection as standard. Studded top enables to mount a pressure Field Test Connection, and complete scope Technical Data valve if needed. of accessories and configurations. Sizes: Extra-large capacities for economical 2 x 3 to 6 x 8 in. Technical Data vacuum protection. [DN 50 x 80 to 150 x 200] Sizes: 2 x 3 to 12 x 16 in. Standard vacuum set to match API tank Set Pressures: [DN 50 x 80 to 300 x 400] design standards. 3 to 14.99 psig [0.2 to 1.0 barg] Set Pressures: Temperature Range: Technical Data -20 to 400°F [-29 to 204°C] 3 in. w.c. to 50 psig [7.5 mbarg to 3.5 barg] Sizes: Temperature Range: 4 to 16 in. Connections: -260 to 300°F [-162 to 149°C] [DN 100 to 400] ANSI Flanges Connections: Set Vacuums: Applications ANSI flange inlet and outlet -½ oz/in2 [-2.2 mbarg], standard Gas distribution pipelines. -1½ oz/in2 [-6.6 mbarg], optional Applications Positive displacement blowers. Maximum Allowable Positive Pressure: Low pressure application where accuracy, Up to 85 psig [5.9 barg] fast opening and premium seat tightness Process Temperature Range: is required. -320 to 300°F [-196 to 148°C] Low pressure gas piping. Connections: Chemical storage tanks. ANSI flange Global Standards Applications API 2000 LNG & LPG storage tanks. ASME Section VIII Vacuum protection where large capacities ISO EN4126 are required.

15 Monitoring Solutions for Any PRV Application

Monitoring can be applied to a wide range of PRV installations. Emerson has the most comprehensive portfolio of pressure relief valves designed for gas, steam and liquid services from cryogenic applications to super-critical boilers.

All PRVs Direct Spring Pilot-Operated Connectivity and Non-Intrusive PRVs PRVs User Interface

Rosemount™ 708 Wireless Fisher™ 4320 Wireless Rosemount 2051/3051 WirelessHART ® Interface

Acoustic Transmitter Position Monitor Wireless DP Transmitter • Modbus® RTU/TCP, OPC • Event Timestamp • Event Timestamp • Event Timestamp and EtherNet/IP™

and Duration and Duration and Duration • DeltaV™, AMS™, • Leakage Detection • Volumetric Release • Volumetric Release Plantweb™ Insight and More

How does it work? DATA CONNECTIVITY

Data is wirelessly sent to a control room for notification, recording and reporting. • Lower installed cost and cost of ownership • Self-organizing, self-healing mesh network Wireless • Secure, end-to-end 128 bit encryption Gateway • Open IEC standard (IEC 62591)

16 Solutions Overview

Wireless Solution Rosemount 708 Wireless Fisher 4320 Wireless Rosemount 2051/3051 Wireless Acoustic Transmitter Position Monitor Differential Pressure Transmitter Valve Type All Valves Crosby™ J-Series Anderson Greenwood™ Direct Spring Valves High and Low Pressure Pilot Valves Installation Non-intrusive, install on pipe Relief Valve OEM Mounting Kit Relief Valve OEM Mounting Kit Relief Detection Time and Duration Time, Duration and Lift Time, Duration and Lift Relief Event Yes Yes Yes Passing / Leakage Yes Yes (Valve not reseating) No Volumetric Release No Yes Yes Application / Use Gas, Liquid and Steam Gas, Liquid and Steam Gas, Liquid and Steam Detection Principle Acoustic and pipe surface temperature Movement of valve stem Differential pressure between inlet down to 1/10th in. and dome Update Rate 1 sec to 60 minutes 1 sec to 60 min. 1 sec to 60 min. Update Method Continuous Triggered by valve movement Continuous Time to Detect Open Same as update rate Same as update rate or as fast as Same as update rate 1/2 second sampling Power Module Life 3.8 years @ 4 second update rate 4.0 years @ 4 second update rate 2.2 years @ 4 second update rate (standard) Connectivity/GUI Through Plantweb Insight app; AMS; Modbus AMS; Modbus® RTU/TCP, OPC AMS; Modbus® RTU/TCP, OPC WirelessHART® Gateway RTU/TCP, OPC and EtherNet/IP and EtherNet/IP and EtherNet/IP

ANALYTICS

PRESSURE RELIEF DEVICE Plantweb Insight consists of a suite of applications The Plantweb Insight Pressure Relief Device that analyzes data with pre-configured algorithms application provides a dashboard view, asset that help translate data into actionable insights for summary and details, and event logs of your improved decision making related to specific asset relief events. classes or devices.

17 -

Specialty Valves

In addition to pressure relief valves, Anderson Greenwood Block Body Emerson’s portfolio has been SSV Safety Valves complemented over the years with Safe and efficient method for switching Where set pressure requirements exceed safety devices further enhancing the from an active safety valve to stand-by the industry standards, on offshore safety of your assets and personnel. safety valve. In accordance to all applications right to power plants, Safety Selector Valve international standards and codes Anderson Greenwood, Crosby and Sempell The SSV is a compact switchover valve recommendations, the SSV creates much have designed spring loaded and pilot with very high flow efficiency. less than 3% inlet pressure losses to the operated safety valves as block body valves It meets the mandatory requirements active API Std 526 safety valve. to provide cost-effective alternatives of ASME VIII UG-135, AD-2000-A2 Tandem inlet and outlet SSV assembly to multiple high pressure smaller sizes and can also be used on boilers per are available which allow positive and relief valves. ASME I Code Case 2254. simultaneous switching while maintaining The forged body construction allows an BlockBody Safety Valves overpressure protection at all time. extensive array of sizes, pressure ratings With the BlockBody concepts, Emerson Soft seated with minimal and connections, to suit the application. has been able to extend the limitations maintenance requirements. Most materials available from carbon steels of safety valves for more cost -effective Very high Cv values, with no oversizing to high temperature alloys, duplexes or solutions, and higher material integrity. in a compact body. nickel alloys. Internal Tank Valve Bleed valves as standard for safe removal Spring loaded, pilot operated or power Fail-safe shut-off valve for cryogenic of the isolated safety valve. actuated CSPRS designs. storage tank withdrawal, the Clear, positive indication of the active ITV meets the requirements For some alloys, Hot Isostatic Pressed (HIP) safety valve. set forth by the NFPA 59A, and body/bonnet can also be used. provide high flowing capacities for Simple operation with built-in seat Technical Data economical election. pressure equalization. Sizes, Pressures, Temperature Range, and Connections: Reserve Capacity Relief Valve Allows safety valve maintenance without As per requirements and needs of The RCRV provide huge additional process shut-down. the application flowing capacities with almost Technical Data instantaneous opening for Sizes: Applications emergency situations. 1 to 10 in. Customized safety valves to reduce [DN 25 to 250] quantities on high pressure and/or large Anderson Greenwood™ Pressure Range: flow processes. Crosby™ Up to 6,170 psig [425 barg] Specific metallurgical requirements. Sempell™ Temperature Range: -423 to 800°F [-253 to +427°C] Connections: ANSI flanges 150# to 2,500# Applications Gas, steam, liquid and mixed phase. ‘Active and Stand-by’ safety valves installations.

18 Anderson Greenwood Anderson Greenwood Type ITV Type RCRV The Internal Tank Valve is a fail-safe The Reserve Capacity Relief Valve has isolation valve for bottom or side been designed to provide overpressure withdrawal specifically developed for protection on large low pressure lifelong protection of cryogenic storage refrigerated and cryogenic tanks when tanks like LNG, LPG, NH3, LOX, LIN. large volumes of vapor are generated by Full cryogenic construction, seat plate unusual conditions. of same grade as tank bottom to ensure Uses a frangible link to achieve thermal and weld full compatibility. almost instantaneous full opening. Redundant manual open cable in case of An Inconel spring enables the valve to loss of power. reclose with around 50% blowdown. Pressure equalizing pilot valve and Nitrile soft seat. actuator settings to limit forces on Aluminum construction with stainless trim. tank top and bottom. Bubble-tight to 95% of set. Bottom mounted pivot or plug design, Full open at set pressure. and side mounted pivot design available. Very large capacities to reduce quantity of Actuators, control panel also available. valves on tank. Technical Data Technical Data Sizes: Sizes: Bottom Pivot ITV: 24 and 36 in. 4 to 18 in. [DN 600 and 900] [DN 100 to 450] Set Pressures: Bottom Plug ITV: 24 in.: 1.5 to 5.0 psig [103 to 345 mbarg] 6, 12, 24 and 30 in. 36 in.: 1.5 to 3.0 psig [103 to 207 mbarg] [DN 150, 300, 600 and 750] Connections: Side Pivot ITV: 24 in.: 150# flange ANSI B16.5 12 to 18 in. 36 in.: 125# flange ANSI B16.1 [DN 300 to 450] Temperature Range: Applications Cryogenic down to -320°F [-196°C] LNG or LPG storage tanks. and lower Emergency venting from overfill, Connections: mechanical failure, rollover or loading error. Seat plate welded to tank bottom Applications Refrigerated and cryogenic storage tanks. LNG, LPG, ethylene, ammonia, LOX, LIN.

19 Continuous support in the face of changing market and operating conditions

Emerson leads the way with industry- industries, providing the confidence to 60+ mobile service centers worldwide, defining end-to-end digital service extract the maximum value from your local experts are available to work with you experiences, helping you achieve superior service and technology investments. Our to understand your unique challenges outcomes through our maintenance, teams partner with you across the globe to and help you find a solution. Our broad reliability, and performance offerings. The help you maintain safe operation, improve portfolio of service offerings allows us to tools we’ve developed support the digital reliability, and optimize plant performance. tailor our support to align with your specific transformation of the process and hybrid With over 100 regional service centers and business goals.

Connected Services Outage Services Leverage smart valve technology and Identify, prioritize, and plan long term Emerson expertise to help your workforce plant reliability improvements to reduce make informed performance and reliability maintenance events and improve decisions at speed. generation performance.

Education and Training Startup and Commissioning Train new hires, improve your current Certified technicians meticulously work workforce skills, and help your team adapt to through approvals, calibration, testing, and new technology or products. certification to deliver a comprehensive handover, on time and on budget.

20 Emerson QuickShip Supports your projects and operations effectively

Fast, reliable production and shipment QuickShip Everyday services to suit your needs For fast, easy and reliable shipment of You need speed and reliability from your standard items at no extra charge. technology suppliers to manage your QuickShip Expedite projects and operations effectively, but To meet your required delivery date for any finding a vendor you can count on when product with flexible price premiums. timing matters isn’t always easy. QuickShip Emergency With Emerson’s QuickShip program, you’ll For the fastest possible order, shipment and have access to a range of fast, dependable delivery of critical parts or products. production and shipment options for pressure relief and safety valves and parts Put Emerson’s wealth of resources and replacement where you need it, when you expertise to work for you to resolve all need it. your part and product shipping needs, QuickShip is a world-class fulfillment no matter the circumstances. program offered by Emerson Automation Solutions that allows for expedited shipment of pressure relief and safety valves and parts to maximize speed and responsiveness. It leverages our global infrastructure, local presence and commitment to service to help you avoid downtime, stay on schedule, respond to the unexpected, and control costs in today’s challenging environments.

21 Expert support from the pressure relief specialists

Testing Emerson PRV2SIZE Training and Support SPVD-Set Pressure Verification Device Pressure Relief Device Sizing and Selection At Emerson we deal with pressure safety A system for in-situ testing, classified as a Software. devices every day. We review designs, ‘calibrated assist device’ per ASME PTC 25. PRV2SIZE incorporates over 140 years applications, installations and participate Computer driven to testing safety valves, of experience and engineering expertise to standards and codes committees. portable or permanently mounted. in selecting the right safety devices for We can support your teams by providing Emerson has developed various types of your application. Users and engineers seminars and trainings tailored to your in-situ testing devices, to suit the needs can address numerous applications, in needs, on any subject related to pressure and requirements of the plant: boiler accordance to the ASME code and API protection, safety devices and their safety valves, including super-critical and EN standards, including the latest installation, maintenance, theory, sizing, applications, general applications or developments in mixed-phase flow sizing. etc. being for one hour as a ‘lunch-and- offshore installations. • User-Friendly Interface learn’ opportunity or for several days for complete training of a team of engineers. VPI - Valve Position Indicator • Sizing calculations can be saved at Provides direct, continuous, remote any point Seminars and training can be arranged at indication of the valve spindle position. • Multiple tags can be your premises, or in our state-of-the-art Permits safe monitoring of safety valves opened simultaneously training facilities. located in hostile environment. Transducer qualified Class 1E. Qualified to IEEE-344. • Sorting data through a variety of parameters LISA—Lift Indicator Switch Assembly • Fully configured product selection Valve position indicating device with fully encased magnetic proximity sensors. • Fire sizing applications following Indication of valve closed, mid and fully- API RP 521 methodology open position. Qualified to IEEE-344. • Export and import tools • Reaction force and noise level • Integrated Water and Steam tables • Sizing per ASME VIII, API 520, AD2000-A2, BS6759, TRD 421 • Noise level per API or VDMA • Flashing water per multiple methods

22 Certification and Approvals

Certifications and approvals are critical when working with safety devices. Emerson’s extensive range of Pressure Relief Devices are available with the following certifications and approvals.

• AD 2000 - A2 • EN ISO 4126 • ASME Code Section I (V) • Korea Gas Safety Corporation • ASME Code Section VIII (UV) • PED 2014/68/EU (replaces 97/23/EC) • ATEX 2014/34/EU (replaces 94/9/EC) • Type approvals for Marine liquefied gases • Canadian Registration (CRN) and/or Offshore, ABS, BV, DNV-GL, LRS • China Manufacturer License (SELO) • TRD 110 • CU TR 012 • CU TR 032

23 Pressure relief valves, providing advanced, reliable and efficient overpressure protection

Emerson Automation Solutions

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D352993X012 © 2019 Emerson Electric Co. All rights reserved 07/19. Anderson Greenwood, Crosby and Sempell are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are property of their respective owners. VCSBR-13776-EN 19/07