Usage. It can be used for pipelines in high pressure and temperature,the medium can be saturated steam and super heated steam. Feature. 1.The steam thermal insulation is not affacted with pressure changing,which prevents air play phenomenon happening. 2.The unlocking device with bimetal ring can start up swiftly for air vent. 3.Big filter screen is installed inside of the steam trap,ensure operation normal. 4.Long service life and easy repair. 5.It can be installed in any direction. Specification. 1.Nominal Diameter(mm):1/2"~1". 2.Connection Type:Flange,Socket Welded. 3.Nominal Pressure:10.0Mpa(Socket welded type),26.0Mpa(Socket welded and flange type) 4.Body Material:F22. 5.PMA:475 C/550 C. 6.Pressure Range:0.8~8.0Mpa/1.6~22.0Mpa. 7.L=110mm/140mm/220mm. Mini Working Pressure 0.01Mpa Maxi allowable temperature for cast steel 425 Mini degree of super cooling 0 Maxi allowable temperature for stainless steel 525 Leakage rate with loading 0 Working Medium Saturated vapor, condensed water Maxi allowable rate of back pressure 80% Exhaust plant Stainless steel / alloy Valve body, cap WCB / 304 Floating ball Stainless steel Valve seat 2Cr13 / 304 Filter Stainless steel