Description
Rubber 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 Rubber -- NR, BR, IIR, CR, EPDM, NBR,CSPE, FKM, SI |
| Washer | Rubber -- NR, BR, IIR, CR, EPDM, NBR,CSPE, FKM, SI |
■ 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 |
