Roof installation should note the following things: 1 Do not check valve in the pipeline to withstand the weight of a large check valve should be independent of support, so that the pressure piping system from the impact. 2, installation, pay attention to the direction of media flow valve by the votes should be consistent with the direction the arrow. 3, vertical valve lift check valve should be installed in the vertical pipe. 4, the level of valve lift check valve should be installed in horizontal pipelines. Main Export Markets: South America southeast Asia Vietnam,Malaysia Key Specifications/Special Features Vertical check valve 1.Material:CF8,CF3,CF8M,CF3M,304,316,304L,316L,1.4301, 1.4306,1.4401,1.4404, 2.Size:1/4"to 2" 3.presure :1000wog 4.Threaded type:BSPT,NPT,G 5.Mediom: water Payment Details: Payment Terms: T/T and L/C at Sight