Connection form intubation series includes three Connection: socket weld (SW), welded connections (BW), threaded connection (TR) pressure rating for intubation under pressure levels, general socket weld, butt connecting pipe pressure rating form into 3000LB (SCH80), 6000LB (SCH160), 9000 (XXS). Threaded pipe pressure rating form into 2000LB, 3000LB, 6000LB. Common Name 45 ° elbow 90 ° and 45 ° elbow Tee Tee double socket hoop (fittings, copy Lun) single socket hoop (half pipe fittings, semi copy Lun) caps, live Connector (by appointment) Taiwan branch (branch header) plants take over the seat forging links on silk thread plug fittings complement the core strengthening? intubation usual standard ASME B16.11, HG / T 21634-1996, MSS SP- 83, MSS SP -79, MSS SP-97, MSS SP-95, GB / T 14383-2008, SH / T3410-96, GD2000, GD87,40T025-2005, etc., can also be carried out according to the manufacture of non-standard drawings. Intubation intubation manufacturing commonly used raw materials are generally carbon steel, stainless steel and alloy steel. Common steel grades are Q235, 20 #, A105, etc; stainless steel commonly used grades are 304, 304L, 316,316L, 321,00Cr17Ni14Mo2 etc; alloy commonly used grades are 15CrMo, 1Cr5Mo, 16Mn, 12Cr1MoV, F11, F22,10CrMo910 other Material: copper alloy, nickel alloy and other applications intubation mainly used in petrochemical, pharmaceuticals, power, aerospace, military, fire, metallurgy, shipbuilding, gas, nuclear power, and environmental protection requirements to withstand high pressure, precise dimensions other departments and areas.