Welded ball valve
一、Technical specification:
Design:Welded ball valve
End connection: Both fully welded end or flange end are OK
Workingl pressure: DN15-DN50 40bar
DN65-DN600 25bar
Temperature range: -30℃ to 260℃.
Design standard: API 6D
Test standard: API 598
Operation: DN15-DN150 with handle
DN200 and large size we suggest to use gearbox
二、Applicable media: water, gas, steam, oils and corrosive media.
三、Material
Body: Carbon steel or 20# steel
Ball: SS 304, SS316,
Stem: SS303
Stem Sealing: VITON
Ball sealing: C +PTFE
四、Surface treatment: Epoxy resin coating both inside and outside the body
五、Advantages:
1. No flow loss or flow loss is very very small
2. The medium can be gas
六、Size chart
1. Model 1
Model 2
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