Dual-Disc Wafer Type Check Valve 900LB
1. Dual Plate, Swing typedisc
2. Two torsion springs are used excreting on each of the pair valve plates,which close the plates quickly and automatically.
3. The quick-close action prevents the medium from flowing back and eliminateswater-hammer effect.
4. This valve is short in length, so that it is rigid and easy to mount.
5. It is easy to install on pipeline which is laid horizontally or vertically.
6. This valve is tightly sealed without leakage under the pressure watertest.
7. Safe and reliable in operation, high interference-resistance.
8. The hinge pin of the valve should be perpendicular to the horizontallevel when the valve is mounted on horizontal pipeline, for vertical installationthe direction of flow should be downward.
9.metal to metal seal or metal seal are both available.
10. Long Pattern type.
Steel dual plate wafer swing check Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When the medium is back-going, valve disc will automaticaly closed to avoid accidents
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