China LinedCheck Valve
Specification
Design specification | Face to face dimension | Connecting Flange | Test and Spection | Product marks | Supply Specification |
GB/T 12236 | GB/T 12221 | GB/T 4216 | GB/T 13927 | GB/T 12220 | GB/T 7928 |
Materials
No. | Part name | Grey Cast Iron | Cast Steel | Stainless Acid Resistant Cast Steel | Ultra-low Carbon Stainless Acid Resistant Cast Steel | ||
Z | C | P | R | PL | RL | ||
1 | Body | GG 25 | WCB | CF8 | CF8M | CF3 | CF3M |
2 | Bonnet | GG 25 | WCB | CF8 | CF8M | CF3 | CF3M |
3 | Lined | Natural / Synthetic / Hard Rubber or PTFE / FEP / PFA | |||||
4 | Disc |
Carbon Steel Fully Covered with Fluoroplastics, Rubber |