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 |