2″ FNPT In-Line Brass Check Valve with Stainless Steel Poppet. The Model 400 uses a stainless steel poppet for a metal-to-metal seal without the use of an o-ring and is best suited for heavy industrial usage. Product is Made in the USA. Maximum working pressure 200 psi, Maximum temperature 300°F, Cracking pressure 1-2 lbs. Use with hot water, cold water, steam, oil, gas, compounds, chemicals. Not for air compressor use.
