Loading Port:China Main Port
Payment Terms:TT or L/C
Min Order Qty:20 sets pc
Supply Capability:To Order pc/month
Description of Butterfly Valves
Concentric Butterfly Valve has a resilient rubber seat with a metal disc.
This type of butterfly valves can be used for isolating or regulating flow.
Wafer, Lug or U type flanged body style fit between FF or RF flanges
PTFE bushing ensure the maximum shaft support and centralized alignment
360°polished disc assures positiveon-off
Hard-Backed Cartridge seat or Edge-Boot seat
The pin,spline or square connection are all available
Universal ISO 5211 mounting pad
Technical Data of Butterfly Valves
| Size | DN40-DN1200 |
| General Design | ISO 5752/BS 5155/API 609 |
| Mounting Pad | ISO 5211 |
| Face to Face | API 609/EN 558-1 20 series etc. |
| Flange Drilling | DIN 2501 PN10/16 |
| Inspection and Test | API 598 |
﹡For all available general design, face to face standard and flange drilling,please kindly contact CNBM directly.
Materials of Parts
| Parts | Description | MaterialMaterial |
| 1 | Body | Cast Iron/Ductile Iron/WCB |
| 2 | Bushing | PTFE/Bronze |
| 3 | O-ring | EPDM/NBR |
| 4 | Shaft | Stainless Steel |
| 5 | Disc | Stainless Steel/Al-Bronze/Ductile Iron |
| 6 | Seat | EPDM/NBR/VITON/PTFE |
| 7 | Pin | Stainless Steel |
﹡For other material request,please kindly contact CNBM directly.
