Table of Contents Manual Valves in PVC, CPVC, Polypropylene
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Manual Valves in PVC, CPVC, Polypropylene (PP-H), Natural Polypropylene (PP-n) and SYGEF-PVDF Table of Contents Common Types of Valves ...................................................................................................................................................................................10.2 Criteria for the Selection of George Fischer Plastic Valves ........................................ 10.3 Selection Criteria for George Fischer Ball Valves ........................................................... 10.3 Summary of George Fischer Plastic Valves ........................................................................ 10.4 Ball Valves Technical Characteristics (Pressure/Temperature, Torque, Cv Values, Flow, Pressure Loss) .................................................................................................................................. 10.5 Type 346, True Union Ball Valve, 3/8"–2" ........................................................................ 10.9 Type 110, Control Ball Valve, 1/2"-2" ............................................................................. 10.21 Electric Position Indicator for Type 346 Ball Valve ...................................................... 10.23 Type 615, Ball Valve Handle Extension, 3/8"–2" ........................................................ 10.25 Type 370, Ball Valve, 2-1/2"–6" ......................................................................................... 10.27 Type 343, Vertical 3-way Ball Valve, 3/8"–6" .............................................................. 10.35 Type 343, Horizontal 3-way Ball Valve, 3/8"–2" ........................................................ 10.45 Type 323, Metering Ball Valve, 3/8" & 1/2" ................................................................ 10.59 Type 324, Laboratory Ball Cock, 1/4" ............................................................................. 10.63 Type 350, MIP Ball Valve, 1/2"–2" ................................................................................... 10.67 Type 353, 354, 355 COLORO Compact Ball Valve, 1/2"–2" ............................... 10.69 Type 560, True Union Ball Valve, 1/2"–6" ..................................................................... 10.77 Diaphragm Valves Technical Characteristics (Pressure/Temperature, Torque, Cv Values, Flow, Pressure Loss) ............................................................................................................................... 10.82 Mounting Blocks for Diaphragm Valves Type 314/315/317................................... 10.84 10 Type 314, True Union Diaphragm Valve, 1/2"–2" ...................................................... 10.87 Type 315/315-HTR, Diaphragm Valve (Spigot), 1/2"–2" .......................................... 10.94 Type 317, Diaphragm Valve (Flanged), 1/2"–6" .......................................................... 10.99 Type 319/319-HTR, Zero Static Diaphragm Valve, 20x20 mm – 110x63 mm10.105 Assembly Instructions, Component Parts......................................................................... 10.110 Butterfly Valves Technical Characteristics (Pressure,/Temperature, Torque, Cv Values, Flow, Pressure Loss) ............................................................................................................................. 10.114 Type 367, Butterfly Valve, Wafer Style, 2 1/2"–10"................................................. 10.117 Type 570, Butterfly Valve, Lug or Wafer Style, 3"–12" ........................................... 10.127 Type 037, Butterfly Valve, 2"–16", Rilsan® coated Aluminum................................ 10.137 Y-Globe Valve Technical Characteristics (Pressure/Temperature, Torque, Cv Values, Flow, Pressure Loss) ............................................................................................................................. 10.142 Type 301, Y-Globe Valve, 1/2"–3".................................................................................. 10.145 Y-Check and Technical Characteristics (Pressure/Temperature, Opening/Closing Pressures, Ball Check Valves Cv Values, Pressure Loss) ...................................................................................................... 10.148 Type 304, Y-Check Valve, 1/2"–3" .................................................................................. 10.151 Type 360, Ball Check Valve, 3/8"–3" ............................................................................ 10.155 Type 050, Screen Assemblies for Type 360, 1/2"–3" .............................................. 10.163 Strainers Technical Characteristics (Pressure/Temperature, Cv Values) ................................ 10.166 Type 306, Line Strainer, 1/2"–3" ...................................................................................... 10.167 Specialty Valves Type 522, Needle Valve, 1/4"–1/2" ............................................................................... 10.171 Type 523, Gauge Isolator ................................................................................................... 10.175 Type 525, Ultra-Pure Sampling Valve ............................................................................. 10.177 Ultra-Pure Fluid Dispenser ..................................................................................................... 10.179 www.us.piping.georgefischer.com 10.1 10_001-026 1 6/7/02, 1:16 PM Common Types of Valves Quarter Turn Valves Multi-Turn Valves The Plug Valve is used primarily for The Diaphragm Valve effects closure on-off service and some throttling by means of a flexible diaphragm services. It controls flow by means of a attached to a compressor. When the Plug valve cylindrical or tapered plug with a hole compressor is lowered by the valve in the center that lines up with the stem onto a weir, the diaphragm seals flow path of the valve to permit flow. and cuts off flow. The diaphragm Ball valve A quarter turn in either direction blocks valve handles corrosive, erosive, and the flow path. dirty services. It is an easily maintained valve. The Ball Valve is similar in concept to Butterfly valve the plug valve but uses a rotating ball The Globe Valve effects closure by a with a hole through it that allows plug with a flat or convex bottom straight-through flow in the open lowered onto a matching horizontal position and shuts off flow when the seat located in the center of the valve. ball is rotated 90° to block the flow Raising the plug opens the valve to let Diaphragm valve passage. It is used for on-off and flow through. The globe valve is used some throttling services. for on-off service and handles clean service throttling applications. Globe valve The Butterfly Valve controls flow by using a circular disk or vane with its The Needle Valve is a volume control pivot axis at right angles to the direc- valve that restricts flow in small lines. tion of flow in the pipe. The butterfly The fluid going through the valve turns Y-Globe valve valve requires a minimum of space 90° and passes through an orifice that and is used both for on-off and is the seat for a rod with a cone- throttling services. shaped tip. The size of the orifice is changed by positioning the cone in Needle valve The Metering Ball Valve is a unique relation to the seat. control valve that allows instantaneous selection of any given flow rate within The Gate Valve is a general service its range. The V-shaped groove in the valve used primarily for on-off, non- Gate valve ball continuously increases in width throttling service. The valve is closed and depth so that the size of the by a flat face, vertical disk or gate orifice is changed from complete shut- that slides down through the valve to off to maximum size as the ball is block the flow. rotated over the whole setting range. The metering ball valve has an inte- The Pinch Valve finds wide applica- grated gauge to measure exactly the tion on slurries or liquids with large required throughput over the whole amounts of suspended solids. It seals setting range of 0 to 180°. by means of one or more flexible elements, such as a rubber tube, that can be pinched to shut off flow. 10.2 ¬ ‡ 10_001-026 2 6/7/02, 1:16 PM Selection Criteria for George Fischer Plastic Valves Type Medium to be transported Function requirements Free of ContainingViscous Gaseous Adjustable Position Permits Leakproof Pressure Seal foreign solid (i.e. for indicator use of in- under surge materials bodies particles or throttling) line cleaning vacuum behavior available crystals (pigging) Diaphragm valve + + +/O +/O + + – O O EPDM, PTFE Ball valve + O /– + + +/O + + + + EPDM, FPM Y-Globe valve + O + O + O – O – PE, PTFE Butterfly valve ++/O +/O ++/O + – + + EPDM, FPM + = recommended O = conditionally suitable – = not recommended Selection Criteria for George Fischer Ball Valves Type 346 370 560 353, 354, 355 Size Range 3/8" – 2" 2-1/2" – 6" 1/2" – 6" 1/2" – 2" true union true union true union true union End Connectors socket flange socket socket thread socket thread thread Body Materials PVC, CPVC, PVC, CPVC PVC, CPVC PVC, PP, Nat. PP PP, PVDF PP 10 Seal Materials EPDM, FPM EPDM, FPM EPDM, FPM EPDM, FPM Method of Mounting mounting bracket incorporated in — — valve body Dismantling possible yes yes yes no Actuator Unit possible yes yes no no www.us.piping.georgefischer.com 10.3 10_001-026 3 6/7/02, 1:16 PM Summary of George Fischer Plastic Valves Type Number Range of Nominal Sizes Available Pressure Description Manually Actuated Material of Base Seal in psi Operated PVC