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fire fighting grooved butterfly valves
size:2"-10"
material:ductile iron
standard:ANIS,DIN,API
operator:manual
fire fighting grooved butterfly valve
Size: DN65 to DN200
Body: DI
Disc: DI SS Aluminum bronze etc.
Stem: SS (One Piece with Pin)
Seat: NBR EPDM VITON
Working Pressure: PN10 PN16
Surface: Epoxy Powder Coated
Actuator: Hand Lever
Hand wheel
Worm Gear
Penumatic
Electric
Product Features:
360" polished disc assures positive on-off
One piece shaft,pinned and splined disc
Long service life, free passage, low resistance coefficient.
Suitable for control of water, seawater, sewage, oil, air, vapor, food
, medicine, acids, alkalis, salts, paper making etc. "bubble tight" shut off.
PTFE bushing ensure the maximum shaft support and centralized alignment.
Material List
| parts | de |
material | specification |
| 1 | Body | Ductile iron | QT450-10 |
| 2 | Bushing | PTFE | |
| 3 | O ring | EPDM | |
| 4 | Shaft | Stainless steel | AISI 316 |
| 5 | Disc | Stainless steel | A351 CF8M |
| 6 | Seat | NBR |
