1>standards:ASTM,DIN,API,JIS etc. 2>material:carbon steel,alloy steel,stainless steel. 3>certification:API&ISO9001. ASTM standard oil tube/pipe for oil transportation.Samples: ASTM standard oil tube/pipe for oil transportation
1.ball valve with top quality 2.ball valve in different sizes 3.ball valve with competitive price Ball valves:professional manufacturer for ball valves,with more than 10 ... years experience in making ball ...
... pipelines in the vacuu GUQ Series Pneumatic Vacuum Ball Valve GUQ series pneumatic vacuum ball valve is applicable for the medium flow of connecting ... the executive gas cylinder to make the ball valve have start-stop motions. The straightway valve relies on spherical sealing. Therefore it can ...
... 4",1",1 1/4",1 1/2",2" Ball Valve:With O-rings used,good handle and sealing. Long ... 1)Body——Hydraulic test is carried out on the valve body according to GB/T 13927-92 standards ... universal valves,and the test result shows that the valve body meets the requirements of enclosure test.2) ... Bonnet——Screwed connection is provided between valve cap and body,with anaerobic paste applied on the ...
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