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Wafer type double disc swing check valve introduction

Introduction of wafer type double wing check valve:

1. Product appication of wafer type double swing check valve:

double plate check valve body

double plate check valve body

H76H/, H77H wafer butterfly double flap check valve is used for pure pipelines and industrial, environmental protection, water treatment, high-rise building water supply and drainage pipelines to prevent the reverse flow of media.

2. Product Features of wafer type double swing check valve:

  • Small size, light weight, compact structure and convenient maintenance
  • The valve plate adopts a dual type, which can be quickly closed under the elastic force of the spring.
  • Due to the quick closing effect, the medium can be prevented from flowing back
  • The length of the valve body structure is small and the rigidity is good
  • Safe and convenient, can be used for horizontal and vertical installation

3. Implementation standards

  • Flange connection size: GB/T1724.1-98
  • Structure length: GB/T12221-1989, ISO5752-82

4. Performance parameters:

  • Working pressure: 0-4 Mpa
  • Temperature: -29-425°C
  • Applicable medium: Water, Oil, Steam, Nitric acid.

5. Material of Dual Plate Swing check valve Parts

PART NAME Material
BODY Cast Iron; Ductile Iron; Stainless Steel; Carbon steel
DISC / PLATE Stainless Steel; Carbon steel; Bronze
SHAFT / STEM Stainless Steel Monel; Stainless Steel Inconel
BOLTS Carbon steel
NUTS Stainless steel

Tanghai Valve is the best manufacturer of wafer type double swing check valve in China. We produce the best quality products with competitive low prices. Main products: butterfly valve, lug type butterfly valve, wafer type butterfly valve, U-type butterfly valve, double flange butterfly valve, gate valves, check valves, globe valves, valve parts (Valve body, Valve disc, Valve shaft, Valve seat…)