Description
PTFE/FEP/PFA Lined Gate Valve Rising Stem for Chemical
Design & Manufacture: GB/T 12234, ASME B 16.34
Flange Standard: HG20592, ASME B B16.5
End to End: GB/T 12221,ANSI B16.10
Lining thickness: 3 to 5mm
Testing standards: API 598 / PN10 / PN16
FEP (PTFE) - ASTM D 2116, Type IV
PFA (PTFE) - ASTM D3307, Type II
PTFE/FEP/PFA Lined Gate Valve Rising Stem for Chemicale
Product Specification:
- Body Material: A216/WCB, A351/CF8,A351/CF8M,A351/CF3,A351/CF3M, LCB
- Wedge Disc: A351/CF8,A351/CF8M,A351/CF3,A351/CF3M
- Stem Material: SS304 ,SS410
- Lining Material: PTFE, PFA, FEP
- Nominal Diameter: 15NB To 600 NB
- Pressure Range: PN10, 150#, 300#
- Connection Type: Flanged connection
- Operation Method: Handwheel, Electric / Pneumatic Actuator, Gear
Technique standard | |||||||||
Design | GB/T 12234 | ||||||||
Face to Face | GB/T 12221 ASME B16.10 | ||||||||
Flange dimension | HG20592-97 ANSI B16.5a | ||||||||
Mode of driving | Hand,electrically-driven,air-operated | ||||||||
Nominal Pressure | 0.6-2.5MPa/Class 150 | ||||||||
Pressure test | GB/T 13927,API 1598 |
Main parts material specifications | |||||||||
Part name | Refined D.I | Cast steel | Stainless steel | ||||||
QT | C | P | R | RL | RL | ||||
Body/Bonnet | QT400 | WCB | CF8 | CF8M | CF3 | CF3M | |||
Inner lining | FEP/PTFE(F4)/PFA/PO/PE | ||||||||
Disc | QT400 | WCB | CF8 | CF8M | CF3 | CF3M | |||
Bolt | 35 | 35 | SS316 | SS316 | SS302 | SS302 | |||
Nut | 45 | 45 | SS304 | SS304 | S304 | SS304 |