Tianjin OTS Valve Manufacturing Co.,Ltd
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- Wafer Type Butterfly Valve
Wafer Type Butterfly Valve
Nominal diameter: DN40-DN1200. Design standard: GB/T12238, BS EN 593, DIN 3354, API609，AWWA C504， BS5155，ISO10631. Top flange standard: ISO5211. Face to Face: GB/T1221, BS5155, EN558, DIN3202, ASME B16.10， API609， ISO5752 Flange drilling standard: GB/T17241.6, BS4504, DIN2501, ASME B16.5，BS10，AS2129，ANSI B16.1，ISO 7005-2. Testing standard: GB/T13927,BS5146, EN12266, API598.
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- Type: Wafer
- Body Material: Ductile Iron/Cast Iron/Carbon Steel/Stainless Steel/ Al-Bronze
- Disc Material: Ductile Iron/Carbon Steel/Stainless Steel/ Al-Bronze
- Seat: EPDM / NBR / PTFE
- Max service pressure: 1.0MPA(10 bar) / 1.6MPA (16 bar)
- Service temperature:
- -25 Deg - 130 Deg C (EPDM Seat)
- -20 Deg - 80 Deg (NBR Seat)
- -20 Deg - 180 Deg (PTFE Seat)
- Operated: Lever / Worm Gear / Pneumatic / Electric
- Suitable Medium : Water ,Gas ,Oil,etc.