CNG high pressure welding three Product Name: welding three Connection type: Welding 主体材料:不锈钢 Body material: stainless steel 公称通径:3---100 Nominal diameter: 3---100 适用介质:油﹑水﹑气等多种非...

CNG high pressure check valve working principle of: because of pressure inlet medium in pipelines, and overcome the force of the spring to open or close the valve. When the inlet medium pressure below the outlet end, spring will spool into t...

Forged steel valve cover drainage valve Applicable temperature: -29 ℃ (-20 ℉) ~ +200 ℃ (392 ℉)Valve material: cast iron, cast steel, stainless steel etc. ...

TPL41Y valve sleeve type drain valve ...

Closed circuit device for pipeline FJ41Y throttle stop emptying valve is widely used in petroleum, natural gas, coal gas, liquefied petroleum gas engine oil refining, airport, chemical, oil and gas storage and transportation and so on. Nomin...

Closed circuit device for stainless steel pipe throttle stop emptying valve is widely used in petroleum, natural gas, coal gas, liquefied petroleum gas engine oil refining, airport, chemical, oil and gas storage and transportation and so on....