Flapper Check Valve - China

Basic information The double flapper check valve can be installed at the water outlet of the pump or the water outlet pipe to prevent backflow of the medium.

Features 1 - Switch can be up to 100, 000 times;

2 - Full flow area, low flow resistance;

3 - Less likely to accumulate debris;

4 - Simple structure and convenient maintenance.

Principle The sealing ring of this valve adopts the tilting design, and the closing time is short, which can reduce the water hammer pressure.

Installation and Commissioning The china swing check valve can be installed in sewage.

For specific use, please consult ZhengFeng Valve Group.

Part Material Standard Body Ductile Iron EN 1563/DIN 1693 Bonnet Ductile Iron EN 1563/DIN 1693 Disc Ductile Iron + EPDM / NBR EN 1563/ISO 4633 Seal EPDM / NBR ISO 4633 Nuts Stainless Steel 431 EN10088-1/ASTM A959 Bolts Stainless Steel 431 EN10088-1/ASTM A959 For the materials options not listed, consult factory.

ZhengFeng manufactures valves in more than 50 different alloys.

Product scope, Standards & Materials Size Range: 2"~24"

Pressure Rating: 10bar ~ 25bar

Face to Face Dimensions: AMSE B16.10, EN558-1

Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2

Coating: Fusion Bonded Epoxy Coating Inspection and Test: ISO 5208 / EN 12226-2

Company Contact:

• Posted By: ZhengFeng Valve Group

• Phone: 13816296699

• Address: Caoan Road 3999#, JiaDing District, Shanghai, China , jiading , shanghai , China

• Email:

• Website: https://www.zhengfengvalve.com

• Business Description: ZhengFeng Valve Group, founded in 1991 with focus on manufacturing Water valves, including control valves, balancing valves,gate valves, butterfly valves, check valves, and air valves.
  
  Valve sizing 1/2” to 88”, rating BS 10bar through BS 25bar, served covering buildings & construction，waterworks ，fire protection and many other fields.
  
  Zhengfeng has excellent product quality and sound managing system.
  
  We have certificates of ISO9001, ISO14001,ISO18001,WRAS， FM，API 6D, CE, TS, and Sanitary Certificate for Drinking Water Equipment.
  
  Meanwhile, our products are insured by PICC.
  
  Besides, we are member of China Valve Industry Association, China Fire-proof Association and Water Supply and Sewage Engineering Division of China Construction Metal Structure Association, and having long-term cooperation with China National Chemical Equipment Corporation (CNCE) and China Petroleum & Chemical Engineering Survey and Design Association（CPCESDA）.
  
  After development of 26 years, today the company supplies products to more than 30 countries and regions in the world and becomes one of the leading suppliers of water valves in China.