Retainerless Dual Disc Wafer Flanged Check Valve

Dual-Disc Wafer Type Check Valve 600LB     

DCV Series

Two arch disc are fixed onto the valve body with a spindle on which two torsional springs are equipped for installing the butterfly plate onto the valve body sealing face. The butterfly plate pressed by the springs is opened by relying on the medium pressure, and the valve is closed by the spring force and the medium pressure under backflow. It can be installed on horizontal and vertical pipelines.
   
Product Range
Body material: carbon steel, stainless steel, alloy steel
Nominal diameter:8"～48"（DN15~DN1200）
Pressure range: Class150～2500（PN10~PN420）
End connection: RF, RTJ

Working temperature:-196℃～+560℃

Features:

• Economical design: Low Weight and short laying length produce savings initial cost, space requirements and installation when compared to Full-body swing type check valve

• Quick closure

No. PART CV42/CV42L-CS CV42/CV42L-SS 

 1 Body          Carbon Steel      Stainless Steel
 A216 Gr. WCB     A351 Gr. CF8M
 2 Seat          Metal/Viton/Buna-N   Metal or Viton
 3 Disc           Stainless Steel     Stainless Steel
 A351 Gr. CF8M    A351 Gr. CF8M
 4 Spring (2)       Inconel X-750    Inconel X-750
 5 Shaft/Stop Pin    Stainless Steel  Stainless Steel
 A276 Gr. 316     A276 Gr. 316
 6 Cap Carbon Steel  ASTM A105    Stainless Steel A351 Gr. CF8M
 7 Eye Bolt         Carbon Steel    Carbon Steel

Specification