TAISHER 1PCS 304 Stainless Steel 1/2" NPT Female Vertical Check Valve,Backflow Prevention, One Way Spring Check Valves CF8 WOG 1000 : : Industrial & Scientific TAISHER committed to producing high-quality products what is best level, providing each customer with the highest standard of customer service. Description [ Product Type ] Vertical Check Valve(2 Female) ,for industry connecting pipes or fittings with different end types, diameters, or materials. [ Product Material ] 304 stainless steel strength and resistance to corrosion, ductility at high temperatures, and low magnetic permeability. -Working Pressure:1000Psi -Type: Vertical Check Valve 2 Inch Female Check Valve 1/2" NPT Stainless Steel Spring Check Valve, WOG1000 NPT 304 Stainless Steel Valve Stainless steel precision cast valve body with reasonable structure and beautiful appearance, spring device used in pipeline system to prevent backflow of medium [ Working Temperature& Maximum Pressure ] Temperature range from -60 to 450 degrees F. Specification: -Working Temperature: Temperature range from -60 to 450 degrees F. 2 Vertical Check Valve, Stainless Steel, NPT Threaded, 1000PSI Maximum working pressure is 1000PSI.