Description
Technical specification
●Design Standard: DIN 3356
●Face To Face: DIN3202
●Flange ends: DIN2543-2545
●Test & Inspection: DIN 3230
| NO. | Part name | Material |
1 | Body | GS-C25、1.4301、1.4401 |
2 | Seat | 1.4301、Stellite |
3 | Disc | 1.4021、1.4301+Stellite |
4 | Spring | 1.4301、1.4401 |
5 | Copper guide sleeve | Copper alloy、D2、BL2 |
6 | Metal gasket | Stainless steel |
7 | Cover | GS-25、1.4301、1.4401 |
8 | Nut | ASTM 194-2H、A194-8 |
9 | Double-headed bolt | ASTM 193-B7、A193-B8 |








