Description
PTFE / PFA / FEP lined lift check valve
Main parts and materials
| Part name | Material |
| Body | Cast steel、Stainless steel、Lining F4 、F46 |
| Disc | Cast steel、Stainless steel、Lining F4 、F46 |
| Cover | Cast iron、Cast steel、Stainless steel、Ling F4、F46 |
| Washer | F4、F46 |
■ PTFE-lined Check Valve Standard
| Technical specification | |
| Design standard | GB12236 |
| Structure length | GB12221 |
| Flange standard | JB/T79-94 |
| GB9113.1-26 | |
| Inspection test | GB/T13927 |
