Double Flange Butterfly Valve with Worm Gear, Worm Gear Grooved Butterfly Valve, Cast Steel Wafer Type Butterfly Valve manufacturer / supplier in China, offering Double Flange Butterfly Valve with Worm Gear, 2000kg Test Weight, 1000kg Test Weight and so on.
| Min. Order / Reference FOB Price | 100 Pieces | US $16-200/ Piece |
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| Port: | Qingdao, China
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| Production Capacity: | 3000set Per Month |
| Payment Terms: | L/C, T/T, D/P, Western Union, Paypal, Money Gram, D/A |
| Driving Mode: | Manual |
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| Connection Form: | Lug Support |
| Structure: | Centre Sealing |
| Seal Form: | Force Sealed |
| Valve Stem: | Normal |
| Work Pressure: | Mid-Pressure (2.5mpa< Pn <6.4mpa) |
| Item | Butterfly valve | ||
| Technical data | Size | DN40-DN1200 | |
| General Design | API609 | ||
| Mounting Pad | ISO 5211 | ||
| Face to face dimension | API609 EN558-1-20series | ||
| Flange drilling | DIN2501 PN10/PN16 | ||
| Inspection and Test | API598 | ||
| -All available General Design and Face to face dimension kindly refer to the basic specification of EATHU. -All available Flange drilling kindly refer to the attached flange drilling dimensions. | |||
| Product Features | -Wafer,lug or U type flanged body style fit between FF or RF flanges | ||
| -PTFE bushing ensure the maximum shaft support and centralized alignment | |||
| -360ºC polished disc assures positive on-off | |||
| -Hard-backed cartridge seat or rubber boot seat | |||
| -One piece shaft,double piece shaft,pinned or pinless disc | |||
| -Universal ISO5211 mounting Pad | |||
| Material list | Body | Cast Iron A126 CLASSE B; Ductile iron GGG40/GGG50 | |
| Bushing | PTFE | ||
| O ring | EPDM | ||
| Shaft | Stainless steel AISI316 | ||
| Disc | Stainless steel A351 CF8M | ||
| Seat | EPDM | ||
| Pin | Stainless steel AISI316 | ||
| Actuator |  | ||
| Coating | A | Fusion Bonded Epoxy powder coated | |
| B | Spray Painting | ||
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