The screw thread ball valve and the flange gate valve are the same type of valve. The difference is that the closing part is a ball. The ball rotates around the center line of the valve body to achieve opening and closing. The ball valve is mainly used in the pipeline to cut off, distribute and change the flow direction of the medium. Two-piece ball valves and three-piece ball valves are a new type of valves widely used in recent years.
Product Parameters
| Nominal Diameter DN(mm) | DN15-DN250 | ||||||
| Nominal Pressure | PN1.6/2.5/6.4MPa | ||||||
| Connection | Threaded connection | Buttwelding Connection | |||||
| Part Name | boby,bonnet | WCB | CF8(304) | CF8(316) | WCB | CF8(304) | CF8(316) |
| ball,stem | 2Cr13 | 304 | 316 | 2Cr13 | 304 | 316 | |
| Seal ring.filer | PTFE,PPL | ||||||
|
Trial condition |
Medium | Water,steam,oil |
Nitric acid and other corrosive medium |
Nitric acid and other corrosive medium |
Water,steam,oil |
Nitric acid and other corrosive medium |
Nitric acid and other corrosive medium |
| Temperature | -29℃~180℃(PTFE),-29℃~300℃(PPL) | ||||||
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