The ball valve is an all-welded steel body with corrosion-resistant coating, in which the ball is mounted between two spring-loaded seat seals made of hydrogenated butadiene-nitrile rubber (HNBR) or Teflon (PTFE+C). Connection: welding/welding, flange/flange, welding/flange. Design for areas with seismicity up to 9 points (on a scale MSK-64).Tightness of the valve on class A at any direction of a stream.
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