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Series GRF Double Flanged Butterfly Valve
Brand: KeystoneA heavy duty double flanged concentric design resilient seated butterfly valve.
Features- Double flanged body design with face-to-face dimensions, according to EN 558 Series 20, API 609 and AWWA C504 short.
- Designed according to EN 593 and API 609.
- The seat is field replaceable and fully isolates the body and shaft from the flow.
- Primary shaft sealing exceeds the pressure rating of the valve and prevents leakage through shaft area to atmosphere.
- A secondary shaft sealing provides back-up safety.
- A molded-in O-ring in the seat for flange sealing eliminates the need for gaskets.
- Shaft seals prevent moisture penetrating into the shaft area.
- Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and drop-tight shut-off.
- Extended body neck allows for pipe insulation.
- Top and bottom shaft bearings for optimized support and minimum friction and decreased torque.
- Top bushing absorbs actuator side thrust loads.
- All valves comply to Pressure Equipment Directive (97/23/EU) Module B1 + D, CE Marking.
- Available approvals: ABS, NSF/ANSI STD 61.
Specifications
Brand
Enclosure, Body Material
- 316 Stainless Steel
- Carbon Steel ASTM A216
- Ductile Iron
Flange Size - 24” (DN 600)
- 24” (DN 600) - AS2129 Table D/E
- 24” (DN 600) - ASME Class 125#
- 24” (DN 600) - ASME Class 150#
- 24” (DN 600) - AWWA C207 Table B/D/E
- 24” (DN 600) - DIN PN 10
- 24” (DN 600) - JIS 10K
Flange Size - 28” (DN 700)
- 28” (DN 700) - AS2129 Table D/E
- 28” (DN 700) - ASME Class 125#
- 28” (DN 700) - ASME Class 150#
- 28” (DN 700) - AWWA C207 Table B/D/E
- 28” (DN 700) - DIN PN 10
- 28” (DN 700) - JIK 10K
Flange Size - 30” (DN 750)
- 30” (DN 750) - AS2129 Table D/E
- 30” (DN 750) - ASME Class 125#
- 30” (DN 750) - ASME Class 150#
- 30” (DN 750) - AWWA C207 Table B/D/E
- 30” (DN 750) - DIN PN 10
- 30” (DN 750) - JIS 10K
Flange Size - 32” (DN 800)
- 32” (DN 800) - AS2129 Table D/E
- 32” (DN 800) - ASME Class 125#
- 32” (DN 800) - ASME Class 150#
- 32” (DN 800) - AWWA C207 Table B/D/E
- 32” (DN 800) - DIN PN 10
- 32” (DN 800) - JIS 10K
Flange Size - 36” (DN 900)
- 36” (DN 900) - AS2129 Table D/E
- 36” (DN 900) - ASME Class 125#
- 36” (DN 900) - ASME Class 150#
- 36” (DN 900) - AWWA C207 Table B/D/E
- 36” (DN 900) - DIN PN 10
- 36” (DN 900) - JIS 10K
Flange Size - 40” (DN 1000)
- 40” (DN 1000) - AS2129 Table D/E
- 40” (DN 1000) - ASME Class 125#
- 40” (DN 1000) - ASME Class 150#
- 40” (DN 1000) - AWWA C207 Table B/D/E
- 40” (DN 1000) - DIN PN 10
- 40” (DN 1000) - JIS 10K
Flange Size - 42” (DN 1050)
- 42” (DN 1050) - AS2129 Table D/E
- 42” (DN 1050) - ASME Class 125#
- 42” (DN 1050) - ASME Class 150#
- 42” (DN 1050) - AWWA C207 Table B/D/E
- 42” (DN 1050) - DIN PN 10
- 42” (DN 1050) - JIS 10K
Flange Size - 44” (DN 1100)
- 44” (DN 1100) - AS2129 Table D/E
- 44” (DN 1100) - ASME Class 125#
- 44” (DN 1100) - ASME Class 150#
- 44” (DN 1100) - AWWA C207 Table B/D/E
- 44” (DN 1100) - DIN PN 10
- 44” (DN 1100) - JIS 10K
Flange Size - 48” (DN 1200)
- 48” (DN 1200) - AS2129 Table D/E
- 48” (DN 1200) - ASME Class 125#
- 48” (DN 1200) - ASME Class 150#
- 48” (DN 1200) - AWWA C207 Table B/D/E
- 48” (DN 1200) - DIN PN 10
- 48” (DN 1200) - JIS 10K
Flange Size - 54” (DN 1350)
- 54” (DN 1350) - AS2129 Table D/E
- 54” (DN 1350) - ASME Class 125#
- 54” (DN 1350) - ASME Class 150#
- 54” (DN 1350) - AWWA C207 Table B/D/E
- 54” (DN 1350) - DIN PN 10
- 54” (DN 1350) - JIS 10K
Flange Size - 56” (DN 1400)
- 56” (DN 1400) - AS2129 Table D/E
- 56” (DN 1400) - ASME Class 125#
- 56” (DN 1400) - ASME Class 150#
- 56” (DN 1400) - AWWA C207 Table B/D/E
- 56” (DN 1400) - DIN PN 10
- 56” (DN 1400) - JIS 10K
Flange Size - 60” (DN 1500)
- 60” (DN 1500) - AS2129 Table D/E
- 60” (DN 1500) - ASME Class 125#
- 60” (DN 1500) - ASME Class 150#
- 60” (DN 1500) - AWWA C207 Table B/D/E
- 60” (DN 1500) - DIN PN 10
- 60” (DN 1500) - JIS 10K
Flange Size - 64” (DN 1600)
- 64” (DN 1600) - AS2129 Table D/E
- 64” (DN 1600) - ASME Class 125#
- 64” (DN 1600) - ASME Class 150#
- 64” (DN 1600) - AWWA C207 Table B/D/E
- 64” (DN 1600) - DIN PN 10
- 64” (DN 1600) - JIS 10K
Flange Size - 66” (DN 1650)
- 66” (DN 1650) - AS2129 Table D/E
- 66” (DN 1650) - ASME Class 125#
- 66” (DN 1650) - ASME Class 150#
- 66” (DN 1650) - AWWA C207 Table B/D/E
- 66” (DN 1650) - DIN PN 10
- 66” (DN 1650) - JIS 10K
Flange Size - 72” (DN 1800)
- 72” (DN 1800) - AS2129 Table D/E
- 72” (DN 1800) - ASME Class 125#
- 72” (DN 1800) - ASME Class 150#
- 72” (DN 1800) - AWWA C207 Table B/D/E
- 72” (DN 1800) - DIN PN 10
- 72” (DN 1800) - JIS 10K
Flange Type
- Flat Face (FF)
- Raised Face (RF)
Operating Temperature
- -40° to 160° C (-40° to 320° F)
Seat / Seal Material
- EPDM
- Fluoroelastomer
- NBR
Supply Pressure - Maximum
- bar: 10