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Help CenterAPI Standard St37 Carbon Steel Ball Valve WELDING Ball Valve
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API standard St37 carbon steel ball valve WELDING ball valve
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name | API standard St37 carbon steel ball valve WELDING ball valve |
| Body | Carbon steel | |
| Nipple for valve for welding | Cast iron ,ductile iron,Brass,SS,CF8 | |
| Ball | Stainless steel | |
| Seat | Teflon,PTFE | |
| Application | Heating systems,district heating,industrial purposes | |
| Media | Water,oil,air and other fluids,which are not decomposing carbon steel |
Product Description
| Working pressure: PN25 PN40 | |||
| Pressure test according to standards: API598 | |||
| API 598 | 40bar | Shell tes | 6 Mpa |
| Seat test | 4.4 Mpa | ||
| 25bar | Shell tes | 3.75Mpa | |
| Shell tes | 2.75Mpa | ||
Product Process
Packaging and transportation
Our history
Product Certification
1.We promise no leakage and breakage for valves. Every valve will test for 2 times test pressure before leave factory. We will replace the valve if there is quality problem within 24 months guarantee period.
2.We obtained ISO9001 quality system certification,ISO14001 certification,GB/T 28001 certification.We inspect the parts of valve carefully, 48 produce steps, try to supply you ideal valve.
3.We can supply different kinds of materials according to customers' requests,such as DI,cast steel,SS304,SS316 body and disc. EPDM,NBR,PTFE,Viton etc. Enough stock ensure fast delivery.
4.We have more than 150 types body moulds, which include ISO,DIN,ANSI,BS standard.
5.We own full-automatic machine paint line, match high-temperature baking house,which makes smooth paint and good appearance of valve.
Our Customers
In the 21 years, we have customers in many countries around the world.
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