General-Duty Valves for Plumbing Piping ME- Building Group

SECTION 220523 – GENERAL-DUTY VALVES FOR PLUMBING PIPING

PART 1 - GENERAL

0.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

0.2 SUMMARY

A. This Section includes the following general-duty valves: 1. Copper-alloy ball valves. 2. Ferrous body alloy ball valves. 3. Ferrous-alloy butterfly valves. 4. High-performance butterfly valves. 5. Bronze check valves. 6. Gray-iron swing check valves. 7. Spring-loaded, lift-disc check valves. 8. Bronze gate valves. 9. Cast-iron gate valves. 10. Bronze globe valves. 11. Cast-iron plug valves. 12. Chainwheel actuators.

B. Related Sections include the following: 1. Division 21 fire-suppression piping and fire pump Sections for fire-protection valves. 2. Division 22 Section "Meters and Gages for Plumbing Piping." 3. Division 22 Section "Identification for Plumbing Piping and Equipment" for valve tags and charts. 4. Division 22 piping Sections for specialty valves applicable to those Sections only. 6. Division 22 Section “Domestic Water Piping” for city water. 7. Division 33 piping Sections for general-duty and specialty valves for site construction piping.

0.3 SUBMITTALS

A. Product Data: For each type of valve indicated. Include body, seating, and trim materials; valve design; pressure and temperature classifications; end connections; arrangement; dimensions; and required clearances. Include list indicating valve and its application. Include rated capacities; shipping, installed, and operating weights; furnished specialties; and accessories.

0.4 QUALITY ASSURANCE

A. ASME Compliance: 1. ASME Compliance for Ferrous Valves: ASME B16.10 and ASME B16.34 for dimension and design criteria. 2. ASME B31.1 for power piping valves. 3. ASME B31.9 for building services piping valves.

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a. Exceptions: Domestic hot- and cold-water, sanitary waste, and storm drainage piping valves unless referenced.

B. NSF Compliance: NSF 61 for valve materials for potable-water service.

0.5 DELIVERY, STORAGE, AND HANDLING

A. Prepare valves for shipping as follows: 1. Protect internal parts against rust and corrosion. 2. Protect threads, flange faces, grooves, and weld ends. 3. Set gate, and globe valves closed to prevent rattling. 4. Set ball and plug valves open to minimize exposure of functional surfaces. 5. Set butterfly valves closed or slightly open. 6. Block check valves in either closed or open position.

B. Use the following precautions during storage: 1. Maintain valve end protection. 2. Store valves indoors and maintain at higher than ambient dew-point temperature. If outdoor storage is necessary, store valves off the ground in watertight enclosures.

C. Use sling to handle large valves. Rig sling to avoid damage to exposed parts. Do not use handwheels or stems as lifting or rigging points.

PART 2 - PRODUCTS

0.1 MANUFACTURERS

A. In other Part 2 articles where subparagraph titles below introduce lists, the following requirements apply for product selection:

B. Manufacturers: Unless otherwise directed by the Owner, provide products by one of the manufacturers specified.

0.2 VALVES, GENERAL

A. Refer to Part 3 "Valve Applications" Article for applications of valves.

B. Bronze Valves: NPS 2 and smaller with threaded ends, unless otherwise indicated.

C. Ferrous Valves: NPS 2-1/2 and larger with flanged ends, unless otherwise indicated.

D. Valve Pressure and Temperature Ratings: Not less than indicated and as required for system pressures and temperatures.

E. Valve Sizes: Same as upstream pipe, unless otherwise indicated.

F. Valve Actuators: 1. Chainwheel: For attachment to valves, of size and mounting height, as indicated in the "Valve Installation" Article in Part 3. Page 2 of 13 Revision Date: 01/21/14 Project & Bid Package File name: 0ccac5201614f36315d738576b46159f.doc

2. Gear Drive: For quarter-turn valves NPS 6 and larger. 3. Handwheel: For valves other than quarter-turn types. 4. Lever Handle: For quarter-turn valves NPS 4 and smaller, except plug valves. 5. Wrench: For plug valves with square heads. Furnish Owner with 1 wrench for every 10 plug valves, for each size square plug head.

G. Extended Valve Stems: On insulated valves.

H. Valve Flanges: ASME B16.1 for cast-iron valves, ASME B16.5 for steel valves, and ASME B16.24 for bronze valves.

I. Valve Grooved Ends: AWWA C606.

J. Solder Joint: With sockets according to ASME B16.18. 1. Caution: Use solder with melting point below 840 deg F for check, gate, and globe valves; below 421 deg F for ball valves.

K. Threaded: With threads according to ASME B1.20.1.

L. Balancing Valves: NPS 2” and smaller with threaded ends unless noted otherwise; NPS 2-1/2” and larger with flanged or grooved ends unless noted otherwise.

0.3 COPPER-ALLOY BALL VALVES

A. Manufacturers: 1. Two-Piece, Copper-Alloy Ball Valves: a. Conbraco Industries, Inc.; Apollo Div. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Watts Industries, Inc.; Water Products Div.

B. Copper-Alloy Ball Valves, General: MSS SP-110.

C. Two-Piece, Copper-Alloy Ball Valves: Bronze body with full -port, chrome-plated bronze ball; and 600-psig minimum CWP rating and blowout-proof stem. 1. Operator: Vinyl-covered steel lever handle. 2. Stem Extension: For valves installed in insulated piping.

0.4 FERROUS BODY BALL VALVES

A. Manufacturers: 1. KTM 2. Neles Jamesbury 3. PBM

4. Worcester

B. 1 Inch Through 8 Inches: 1. BAV-1: Flanged, 150 lb drilled graphite fiber reinforced vinyl ester body and ball, stainless steel stem insert molded in graphite fiber reinforced vinyl ester, TFE seat and seal; manual lever handle. Valve shall be used as block and drain valves at pressure gauges, unless noted otherwise. 2. BAV-2: Flanged 150 lb ductile iron body and ball, PFA or TFE lined body and ball, PTFE seats and seals, PFA lined stainless steel stem. 3. BAV-3: Flanged, 150 lb ANSI drilled, carbon steel body, stainless steel ball, Teflon seats and seal. 4. Use BAV-1 in pressure gauge isolation and drains, systems. Use BAV-3 for IW,PIW and CX systems.

0.5 FERROUS-ALLOY BUTTERFLY VALVES

A. Manufacturers: 1. Ferrous-Alloy Butterfly Valves: a. ABZ b. Bray International, Inc. c. Crane Co.; Crane Valve Group; Center Line. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Keystone (Tyco Industries) h. Milwaukee Valve Company. i. Mueller Steam Specialty. j. NIBCO INC. 2. Grooved-End, Ductile-Iron Butterfly Valves: a. Grinnell Corporation. b. Hammond Valve. c. McWane, Inc.; Kennedy Valve Div. d. Milwaukee Valve Company. e. Mueller Steam Specialty. f. NIBCO INC. g. Victaulic Co. of America. h. Keystone (Tyco Industries)

B. Ferrous-Alloy Butterfly Valves, General: MSS SP-67, Type I, for tight shutoff, with disc and lining suitable for potable water. Provide lining suitable for fluid application, i.e. viton for oil and water soluble coolant unless otherwise indicated. 1. Operator for Sizes 3 Inches to 4 Inches: Standard lever handle with memory stop. 2. Operator for Sizes 6 Inches to 24 Inches: Gear operator with position indicator.

C. Flangeless, 200-psig CWP Rating, Ferrous-Alloy Butterfly Valves: Wafer type with one or two- piece stem.

D. Single-Flange, 200-psig CWP Rating, Ferrous-Alloy Butterfly Valves: Wafer-lug type with one- or two-piece stem.

E. Flanged, 200-psig CWP Rating, Ferrous-Alloy Butterfly Valves: Flanged-end type with one- or two-piece stem.

F. Grooved-End, 300-psig CWP Rating, Ferrous-Alloy Butterfly Valves: Ductile-iron or steel body with grooved or shouldered ends.

0.6 HIGH-PERFORMANCE BUTTERFLY VALVES

A. Manufacturers: 1. Bray International, Inc. 2. Cooper Cameron Corp.; Cooper Cameron Valves Div. 3. Crane Co.; Crane Valve Group; Flowseal. 4. General Signal; DeZurik Unit. 5. Grinnell Corporation. 6. Jamesbury, Inc. 7. Pratt, Henry Company.

B. High-Performance Butterfly Valves, General: MSS SP-68. 1. Operator for Sizes 3 Inches to 4 Inches: Standard lever handle with memory stop. 2. Operator for Sizes 6 Inches to 24 Inches: Gear operator with position indicator.

C. Flangeless or single flange, Class 300, High-Performance Butterfly Valves: Wafer-lug type.

0.7 BRONZE CHECK VALVES

A. Manufacturers: 1. Type 1, Bronze, Horizontal Lift Check Valves with Metal Disc: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Stockham Div. d. Red-White Valve Corp. e. Walworth Co. 2. Type 1, Bronze, Vertical Lift Check Valves with Metal Disc: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. 3. Type 3, Bronze, Swing Check Valves with Metal Disc: a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Crane Co.; Crane Valve Group; Stockham Div. d. Grinnell Corporation. e. Hammond Valve. f. Milwaukee Valve Company. g. NIBCO INC. h. Powell, Wm. Co. i. Walworth Co.

B. Bronze Check Valves, General: MSS SP-80.

C. Type 1, Class 150, Bronze, Horizontal Lift Check Valves: Bronze body with bronze disc and seat.

D. Type 1, Class 150, Bronze, Vertical Lift Check Valves: Bronze body with bronze disc and seat.

E. Type 3, Class 125, Bronze, Swing Check Valves: Bronze body with bronze disc and seat.

F. Type 3, Class 150, Bronze, Swing Check Valves: Bronze body with bronze disc and seat.

0.8 GRAY-IRON SWING CHECK VALVES

A. Manufacturers: 1. Type I, Gray-Iron Swing Check Valves with Metal Seats: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Milwaukee Valve Company. h. Mueller Co. i. NIBCO INC. j. Powell, Wm. Co. k. Walworth Co. 2. Grooved-End, Ductile-Iron Swing Check Valves: a. Grinnell Corporation. b. Mueller Co. c. Victaulic Co. of America.

B. Gray-Iron Swing Check Valves, General: MSS SP-71.

C. Type I, Class 250, gray-iron, swing check valves with metal seats.

D. 175-psig CWP Rating, Grooved-End, Swing Check Valves: Ductile-iron body with grooved or shouldered ends.

0.9 SPRING-LOADED, LIFT-DISC CHECK VALVES 1. Manufacturers: a. Type IV, Threaded Lift-Disc Check Valves: 1) Check-All Valve Mfg. Co. 2) Durabla Fluid Technology, Inc. 3) Grinnell Corporation. 4) Metraflex Co. 5) Milwaukee Valve Company. 6) Mueller Steam Specialty. 7) NIBCO INC. 2. Lift-Disc Check Valves, General: FCI 74-1, with spring-loaded bronze or alloy disc and bronze or alloy seat. 3. Type IV, Class 150, Threaded Lift-Disc Check Valves: Threaded style with bronze shell and threaded ends. Page 6 of 13 Revision Date: 01/21/14 Project & Bid Package File name: 0ccac5201614f36315d738576b46159f.doc

0.10 BRONZE GATE VALVES

A. Manufacturers: 1. Type 1, Bronze, Nonrising-Stem Gate Valves: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Powell, Wm. Co. j. Walworth Co. 2. Type 2, Bronze, Rising-Stem, Solid-Wedge Gate Valves: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Powell, Wm. Co. j. Walworth Co.

B. Bronze Gate Valves, General: MSS SP-80, with ferrous-alloy handwheel.

C. Type 1, Class 150, Bronze Gate Valves: Bronze body with nonrising stem and bronze solid wedge.

D. Type 2, Class 150, Bronze Gate Valves: Bronze body with rising stem and bronze solid wedge.

0.11 CAST-IRON GATE VALVES

A. Manufacturers: 1. Type I, Cast-Iron, Nonrising-Stem Gate Valves: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Powell, Wm. Co. j. Walworth Co. 2. Type I, Cast-Iron, Rising-Stem Gate Valves: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. Page 7 of 13 Revision Date: 01/21/14 Project & Bid Package File name: 0ccac5201614f36315d738576b46159f.doc

c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Powell, Wm. Co. j. Walworth Co.

B. Cast-Iron Gate Valves, General: MSS SP-70, Type I.

C. Class 125, NRS, Bronze-Mounted, Cast-Iron Gate Valves: Cast-iron body with bronze trim, nonrising stem, and solid-wedge disc. Nonrising stem valves may be used only where headroom prevents full extension of rising stems.

D. Class 125, OS&Y, Bronze-Mounted, Cast-Iron Gate Valves: Cast-iron body with bronze trim, rising stem, and solid-wedge disc.

0.12 BRONZE GLOBE VALVES

A. Manufacturers: 1. Type 3, Bronze Globe Valves with Renewable Seat and Metal Disc: a. Cincinnati Valve Co. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Div. e. Grinnell Corporation. f. Hammond Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Walworth Co.

B. Bronze Globe Valves, General: MSS SP-80, with ferrous-alloy handwheel.

C. Type 3, Class 150, Bronze Globe Valves: Bronze body with bronze disc and renewable seat.

0.13 CAST-IRON PLUG VALVES

A. Manufacturers: 1. Lubricated-Type, Cast-Iron Plug Valves: a. Milliken Valve Co., Inc. b. Nordstrom Valves, Inc. c. Olson Technologies; Homestead Div. d. Walworth Co.

B. Cast-Iron Plug Valves, General: MSS SP-78. 1. Operator, Sizes 4 inches and smaller: Lever. 2. Operator, sizes 6 inches and larger: Worm and gear with handwheel.

C. Class 125 or 150, lubricated-type, cast-iron plug valves.

0.14 CHAINWHEEL ACTUATORS

A. Manufacturers: 1. Babbitt Steam Specialty Co. 2. Roto Hammer Industries, Inc.

B. Description: Valve actuation assembly with sprocket rim, brackets, and chain. 1. Sprocket Rim with Chain Guides: Ductile iron of type and size required for valve. 2. Brackets: Type, number, size, and fasteners required to mount actuator on valve. 3. Chain: Hot-dip, galvanized steel of size required to fit sprocket rim.

0.15 BALANCING VALVES

A. Type 1 – Class 150, Bronze body and adjustable with memory stop, pressure, and temperature test ports, with threaded ends.

B. Type 2 – Class 125, Bronze body and adjustable with memory stop, pressure, and temperature test ports, with flanged or grooved ends.

C. Provide at a minimum of one portable meter with hard durable case, all hoses and fittings, and laminated flows charts to determine flow rates at devices.

D. Manufacturers: 1. Bell and Gossett 2. Taco 3. Victaulic

PART 3 - EXECUTION

0.1 EXAMINATION

A. Examine piping system for compliance with requirements for installation tolerances and other conditions affecting performance. 1. Proceed with installation only after unsatisfactory conditions have been corrected.

B. Examine valve interior for cleanliness, freedom from foreign matter, and corrosion. Remove special packing materials, such as blocks, used to prevent disc movement during shipping and handling.

C. Operate valves in positions from fully open to fully closed. Examine guides and seats made accessible by such operations.

D. Examine threads on valve and mating pipe for form and cleanliness.

E. Examine mating flange faces for conditions that might cause leakage. Check bolting for proper size, length, and material. Verify that gasket is of proper size, that its material composition is suitable for service, and that it is free from defects and damage. Page 9 of 13 Revision Date: 01/21/14 Project & Bid Package File name: 0ccac5201614f36315d738576b46159f.doc

F. Do not attempt to repair defective valves; replace with new valves.

0.2 VALVE APPLICATIONS

A. Refer to piping Sections for specific valve applications. If valve applications are not indicated, use the following: 1. Shutoff Service: Ball, butterfly, or gate valves. 2. Throttling Service: Ball, butterfly, or globe valves. 3. Pump Discharge: Spring-loaded, lift-disc check valves.

B. If valves with specified SWP classes or CWP ratings are not available, the same types of valves with higher SWP class or CWP ratings may be substituted.

C. Chilled-Water Piping, Condenser-Water Piping, Non-Potable Water Piping, and Process-Water Piping: Use the following types of valves: 1. Ball Valves, NPS 2 and Smaller: Two-piece, 600-psig CWP rating, copper alloy. 2. Butterfly Valves, NPS 2-1/2 and Larger: Flangeless, single-flange, or flanged, 200-psig CWP rating, ferrous alloy, with EPDM liner. 3. Grooved-End, Ductile-Iron Butterfly Valves, NPS 2-1/2 and Larger: 300-psig CWP rating. 4. Lift Check Valves, NPS 2 and Smaller: Type 1, Class 150 horizontal or vertical, bronze. 5. Swing Check Valves, NPS 2 and Smaller: Type 3, Class 150 bronze. 6. Swing Check Valves, NPS 2-1/2 and Larger: Type I, Class 250, gray iron. 7. Grooved-End, Ductile-Iron, Swing Check Valves, NPS 2-1/2 and Larger: 175-psig CWP rating. 8. Spring-Loaded, Lift-Disc Check Valves, NPS 2 and Smaller: Type IV, Class 150. 9. Gate Valves, NPS 2 and Smaller: Type 1, Class 150, bronze. 10. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 125 , NRS or OS&Y, bronze- mounted cast iron.

D. Globe Valves, NPS 2 and Smaller: Type 3, Class 150, bronze.

E. Plug Valves, NPS 2 and Larger: Class 125 or 150, lubricated-type, cast iron.

F. Balancing valves: NPS 2” and smaller; Type 1

G. Balancing valves: NPS 2-1/2” and larger; Type 2

H. Low-Pressure (125 psig and Less), Compressed-Air Piping: Use the following types of valves: 1. Ball Valves, NPS 2-1/2 and Smaller: Two-piece, 600-psig CWP rating, copper alloy. 2. Butterfly Valves, NPS 3 and Larger: Flanged, 200-psig CWP rating, ferrous alloy, with NBR liner. 3. Gate Valves, NPS 2 and Smaller: Type 2, Class 150, bronze. 4. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 125, OS&Y, bronze-mounted cast iron. a. Globe Valves, NPS 2) and Smaller: Type 2, Class 125, bronze.

I. Medium-Pressure, Compressed-Air Piping: Use the following types of valves: 1. Ball Valves, NPS 2-1/2 and Smaller: Two-piece, 600-psig CWP rating, copper alloy.

2. Butterfly Valves, NPS 3 and Larger: Flanged, 250-psig CWP rating, ferrous alloy, with NBR liner. 3. High-Pressure Butterfly Valves, NPS 3 and Larger: Single-flange, Class 300. 4. Gate Valves, NPS 2 and Smaller: Type 2, Class 200, bronze. 5. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 250, OS&Y, bronze-mounted cast iron. 6. Globe Valves, NPS 2 and Smaller: Type 2, Class 200, bronze.

J. Domestic Water Piping: Use the following types of valves: 1. Ball Valves, NPS 2-1/2 and Smaller: Two-piece, 600-psig CWP rating, copper alloy. 2. Butterfly Valves, NPS 3 and Larger: Flanged, 175-psig CWP rating, ferrous alloy, with EPDM liner. 3. Lift Check Valves, NPS 2 and Smaller: Type 2, Class 150, horizontal or vertical, bronze. 4. Swing Check Valves, NPS 2 and Smaller: Type 4, Class 150, bronze. 5. Swing Check Valves, NPS 2-1/2 and Larger: Type II, Class 125, gray iron. 6. Spring-Loaded, Lift-Disc Check Valves, NPS 2 and Smaller: Type IV, Class 150. 7. Spring-Loaded, Lift-Disc Check Valves, NPS 2-1/2 and Larger: Type I or II, Class 250, cast iron. 8. Gate Valves, NPS 2 and Smaller: Type 2, Class 150 , bronze. 9. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 125, NRS or OS&Y, bronze-mounted cast iron. 10. Globe Valves, NPS 2 and Smaller: Type 2, Class 150, bronze. 11. Plug Valves, NPS 2 and Larger: Class 150, lubricated-type with FDA-approved-material sealant, cast iron.

K. Balancing valves: NPS 2” and smaller; Type 1

L. Balancing valves: NPS 2-1/2” and larger; Type 2

M. Sanitary Waste and Storm Drainage Piping: Use the following types of valves: 1. Ball Valves, NPS 2-1/2 and Smaller: Two-piece, 600-psig CWP rating, copper alloy. 2. Swing Check Valves, NPS 2 and Smaller: Type 4, Class 125, bronze. 3. Swing Check Valves, NPS 2-1/2 and Larger: Type II, Class 125, gray iron. 4. Gate Valves, NPS 2 and Smaller: Type 2, Class 125, bronze. 5. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 125, NRS or OS&Y, bronze-mounted cast iron. 6. Globe Valves, NPS 2 and Smaller: Type 2, Class 125, bronze. 7. Plug Valves, NPS 2 and Larger: Class 125 or 150, lubricated-type, cast iron.

N. Low-Pressure Steam Piping (15 PSIG or less): Use the following types of valves: 1. Ball Valves, NPS 2-1/2 Two-piece, 600-psig.CWP rating, copper alloy. 2. High-Pressure Butterfly Valves, NPS 3 and Larger: Flangeless or single-flange, Class 150. 3. Swing Check Valves, NPS 2 and Smaller: Type 4, Class 150, bronze. 4. Swing Check Valves, NPS 2-1/2 and Larger: Type II, Class 125, gray iron. 5. Gate Valves, NPS 2 and Smaller: Type 2, Class 150, bronze. 6. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 125, NRS or OS&Y, bronze-mounted cast iron. 7. Globe Valves, NPS 2) and Smaller: Type 2, Class 150, bronze.

O. High-Pressure Steam Piping (100 PSIG or less): Use the following types of valves: 1. Ball Valves, NPS 2 and Smaller: Two-piece, 600-psig CWP rating, copper alloy. 2. High-Pressure Butterfly Valves, NPS 3 and Larger: Flangeless or single-flange, Class 150 3. Swing Check Valves, NPS 2 and Smaller: Type 4, Class 150, bronze. 4. Swing Check Valves, NPS 2-1/2 and Larger: Type II, Class 250, gray iron. 5. Gate Valves, NPS 2 and Smaller: Type 2, Class 150, bronze. 6. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 250, NRS or OS&Y, bronze-mounted cast iron. 7. Globe Valves, NPS 2 and Smaller: Type 1, Class 150, bronze.

P. Steam Condensate Piping: Use the following types of valves: 1. Ball Valves, NPS 2 and Smaller: Two-piece, 600-psig.CWP rating, copper alloy. 2. High-Pressure Butterfly Valves, NPS 3 and Larger: Flangeless or single-flange, Class 150. 3. Swing Check Valves, NPS 2 and Smaller: Type 4, Class 150 , bronze. 4. Swing Check Valves, NPS 2-1/2 and Larger: Type II, Class 250, gray iron. 5. Spring-Loaded, Lift-Disc Check Valves, NPS 2 and Smaller: Type IV, Class 150. 6. Spring-Loaded, Lift-Disc Check Valves, NPS 2-1/2 and Larger: Type II, Class 250, cast iron. 7. Gate Valves, NPS 2 and Smaller: Type 2, Class 150, bronze. 8. Gate Valves, NPS 2-1/2 and Larger: Type I, Class 250, NRS or OS&Y, bronze-mounted cast iron. 9. Globe Valves, NPS 2 and Smaller: Type 2, Class 150, bronze. 10. Plug Valves, NPS 2 and Larger: Class 125 or 150, lubricated-type, cast iron.

Q. Select valves, except flangeless types, with the following end connections: 1. For Copper Tubing, NPS 2 and Smaller: Solder-joint or threaded ends, except provide valves with threaded ends for condenser water, heating hot water, steam, and steam condensate services. 2. For Copper Tubing, NPS 2-1/2 to NPS 4: Flanged ends. 3. For Steel Piping, NPS 2 and Smaller: Threaded ends. 4. For Steel Piping, NPS 2-1/2 to NPS 4: Flanged or threaded ends. 5. For Steel Piping, NPS 6 and Larger: Flanged ends. 6. For Grooved-End, Steel Piping: Valve ends may be grooved. Do not use for steam or steam condensate piping.

0.3 VALVE INSTALLATION

A. Piping installation requirements are specified in other Division 22 Sections. Drawings indicate general arrangement of piping, fittings, and specialties.

B. Install valves with unions or flanges at each piece of equipment arranged to allow service, maintenance, and equipment removal without system shutdown.

C. Install pipe hanger supports on each side of the valve to support pipe independent of valve and facilitate valve removal.

D. Locate valves for easy access and provide separate support where necessary.

E. Install valves in horizontal piping with stem at or above center of pipe.

F. Install valves in position to allow full stem movement.

G. Elevated valves having position indicators, shall be installed so the indicator is clearly visible from the floor.

H. Install chainfalls on all valves NPS 4 inches and larger and more than 96 inches above floor. Extend chains to 60 inches above finished floor elevation.

I. Install check valves for proper direction of flow and as follows: 1. Swing Check Valves: In horizontal position with hinge pin level. 2. Dual-Plate Check Valves: In horizontal or vertical position, between flanges. 3. Lift Check Valves: With stem upright and plumb.

J. Install balancing valves for proper direction of flow and adjust to flow demand of equipment or device. Refer to Division Section “Testing Adjusting Balancing.”

K. Install and tighten 3” union connection ball valves to torque requirements per manufacturer’s recommendations.

0.4 JOINT CONSTRUCTION

A. Refer to Division 22 Section "Common Work Results For Plumbing" for basic piping joint construction.

B. Grooved Joints: Assemble joints with keyed coupling housing, gasket, lubricant, and bolts according to coupling and fitting manufacturer's written instructions.

C. Soldered Joints: Use ASTM B 813, water-flushable, lead-free flux; ASTM B 32, lead-free-alloy solder; and ASTM B 828 procedure, unless otherwise indicated.

D. Threaded Connections: Apply appropriate tape or thread compound to the external pipe threads, except where dry seal threading is specified.

3.5 TESTING

A. Provide for independent 3rd party pressure testing of all valves (100%).

3.6 ADJUSTING

Adjust or replace valve packing after piping systems have been tested and put into service but before final adjusting and balancing. Replace valves if persistent leaking occurs.

END OF SECTION