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Wafer Check Valve

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Negotiable MOQ: 100 Pieces (Price negotiable depending on order volume and customization)
Key Specifications
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Standard or Nonstandard:
Standard
Structure:
Regulating
Pressure:
High Pressure
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Zhejiang Zhengqiu Valve Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

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Standard or Nonstandard Standard
Structure Regulating
Pressure High Pressure
Power Manual
Material Stainless Steel
Temperature of Media Normal Temperature
Place of Origin Zhejiang, China

 

Wafer check valves, also known as dual-plate check valves, have two spring loaded half-moon shaped discs that rotate about their shaft. The disc plates are kept shut by a torsion spring. When fluid flows in a forward direction, the pressure of the fluid causes the disc plates to swing open, allowing flow. The check valve is closed by the spring as soon as flow ceases, before any reverse flow can occur.

 

Normative reference

API 6D Pipeline Valves

API 594 Check Valves: Flanged, Lug, Wafer and Butt-Welding

ASME B16.34 Valves Flanged, Threaded and Welding Ends

ASME B16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through 24

ASME B16.47 Series A Large Diameter Steel Flanges: NPS 26 Through NPS 60 Metric/Inch Standard

ASME B16.25 Buttwelding Ends

ASME B16.10 Face to Face and End to End Dimensions of Valves

MSS SP-25 Standard Marking System for Valves, Fittings, Flanges and Unions

 

Size available

NPS 2 to NPS 24 (DN50 to DN600)

 

Pressure rating available

Class 150 to Class 900

 

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Zhejiang Zhengqiu Valve Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
1992
Factory Size
5,000-10,000 square meters
Total Employees
51 - 100 People
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