wafer butterfly valve EPDM NBR seat one stem with pin
soft seat butterfly valve,EPDM seat butterfly valve, wafer butterfly valve,
one stem with pin butterfly valve
soft seat butterfly valve,EPDM seat butterfly valve, wafer butterfly valve,
one stem with pin butterfly valve
EPDM seat butterfly valve one stem with pin
I)Standard:
1.Design standard conform to: MSS SP-67, API609, EN593
2.Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504.
3.Top flange conform to: ISO 5211.
4.Face to face conform to: API609, ISO5752 series 20, BS5155.
5.Test standard conform to: API598.
II)Design characters:
1. Rubber backed seat with stable valve torque.
2. Grooved sleeve design to achieve stable positioning
3. Simple construction, small in size, light in weight. Easy disassembling, installation and maintenance
4. Minimized operating torque. Lever, gear, pneumatic and electric actuators can be chosen.
5. Special design, high flow rate and low flow resistance.
6. Suitable medium: water, sewage, sea water, air, steam, food, medicament, oils, acids, alkalis, salts etc. No leakage under the rated pressure.
III)Material List:
No. |
PARTS NAME |
MATERIAL |
1 |
Body |
Cast iron/ductile iron/SS/WCB |
2 |
Upper shaft |
SS416/WCB/tianium steel/SS316/monel |
3 |
Pivot |
SS416/WCB/tianium steel/SS316/monel |
4 |
Disc |
Al-bronze/CF8M/WCB/ductile iron |
5 |
Seat |
EPDM/PTFE/Buna/hypalon/viton/neoprene |
6 |
Bushing |
PTFE/Lubricating |
7 |
O-Ring |
EPDM/PTFE/Buna/hypalon/viton/neoprene |
8 |
Pin |
SS416/WCB/tianium steel/SS316/monel |