Description
Features of bellows seal valves:
●Double wall bellows seal as standard.
●Plug with marginal seat
●Bellows seal welded to bonnet
●Welded seat
● Bellows seal 10,000 load cycles
● External stem thread
●Secondary sealing: gland packing(with bridge)
● Stem back seal
● Yoke gasket, double chambered
● Stem with roll hardened thread
Technical specification
Design standard: DIN 3356
Face to face dimension: DIN 3202
Flange ends: DIN 2543-2545
Test & inspection: DIN 3230
Application：Hot oil system, steam system, hot and cold water system etc.
Medium:Steam, gases, hot water, thermal oil, ammonia etc.
Materials : GG25(EN-GJL-250),GGG40,1.0619+N(GS-C25),1.4308(CF8), 1.4408(CF8M)
Materials of bellows: SS304, SS316, SS316L,SS 310S ,Hastelly C
Size range : DN15-DN400
Pressure : PN16-PN40
Temperature : ≤600 ℃
| Product Name | DIN Bellows Seal Globe Valves,GG25 Body,PN16,DN250 |
| 1. Material | GG25 |
| 2. Size | 10” |
| 4. Port | Full Port |
| 5. Working Pressure | PN16 |
| 6. Connection Ends | RF |
| 7. Working Temp. | -29~425ºC, |
| 8. Suitable Medium | Water, Natural Gas, Oil and some corrosive liquid |
| 9. Operated | Handwheel |
| 10. Inspection & Testing | According to DIN 3230 |
| Shipment | |
| Delivery Time | 30 Days |
| Package | Standard Exporting Plywood Case |
| Shipping Port | Ningbo/Shanghai, China |
| Shipping Terms | Exw, FOB, CFR, CIF, etc. |
| Payment Terms | T/T, Western Union, PayPal, etc. |
| 30% prepayment, 70% balance paid before shipping | |
| Country of Origin | Wenzhou city, China |
| Production Capacity | 6000 ton/year |
| MOQ | 1 PCS/size |
