|  Company Info | |
| Company Name | Huihong | 
| Country/Territory: | Zhejiang China | 
| Business Type: | | 1 | 
| Number of Employees: | |
| Main Products: gate valve globe valve check valve butterfly valve ball valve | |
Pressure Sealing Piston Check Valves
Standard Material Specifications
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) | 
| 2 | Life Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) | 
| 3 | Sealing Seat | A105 | F22 | A182 F304(L) | F316(L) | 
| 4 | Pressure Ring | 08F | 08F | A276 304L | A276 316L | 
| 5 | Retaining Nut | A194 2H | A194 4 | A194 8 | A194 8M | 
| 6 | P.S.Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M | 
| Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc | ||
| Suitable Temperature | -29~425  | -29~550& | |||