Industrial Wafer Butterfly Check Valve Chinese Factory
Media: Water
Temperature: Ordinary Temperature
Material: Cast Steel
Connection Form: Clamp
Structure: Butterfly
Pressure: Ordinary Pressure
Product Introduction
Product Description
Butterfly check valve only allows the medium to flow in one direction and prevents the medium from flowing back.
Usually butterfly check valve works automatically. Under the action of fluid pressure flowing in one direction, the valve disc opens; When the fluid flows in the opposite direction, the fluid pressure and the self weight of the valve disc act on the valve seat, thus cutting off the flow.
Material List
| Body | Cast iron or Ductile iron |
| Disc | Ductile iron with zinc plated or AL-bronze/stainless steel |
| Stem | Stainless Steel |
| Spring | Stainless steel |
| Rubber gasket | NBR/EPDM |
Technical Date
| Name | Butterfly Check Valve |
| DN (mm) | 50 ~800 |
| PN (mm) | 1.0~2.5 |
| Slowly-closing time | 3~60s |
| Applicable Medium | Clean water,sewage and seawater |
| Connection | Wafer |
| Design temperature | 0~80?C |
| Design standard | Face to Face is according to ISO Standard |
| Inspection and Test Standard | API598 |
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