Spring check valve size: 3/4" female to female NPT connections.
Check valve body material:Stainless steel 304.
Check valve working temperature: -60℉ to 450℉(-51℃ to 232℃); max pressure:1000 Psi for water, oil, gas (WOG1000).
Vertical check valve is used to help direct flow in one direction; the stainless steel bodies are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols.
Corrosion resistance: 304 stainless steel, nickel and chromium combine; hardness: 304 stainless steel is twice as hard as copper and ten times as hard as aluminum; rust - free: even in humid environment, it still has strong oxidation resistance and does not corrode.