Stainless steel pressure relief valve PFRA281 series

stainless steelstandard

The Lee 0.281 inch PRI/Chek Valves combine the function of a reverse flow pressure relief valve in parallel with the function of a check valve with free flow in the forward direction into one easy to install insert. The relief valve function features a rugged Tungsten Carbide ball and a 440C seat for durability and long life. The remaining components are constructed entirely of stainless steel. The valves are available in a range of relief flow cracking pressures for system pressures up to 5,000 psi. The 281 PRI/Chek Valves are available with or without integral safety screens. The unscreened version has a maximum restriction of 300 Lohms in the free flow direction and is available in 9 different standard relief flow cracking pressures up to 3600 psid. The screened version has a maximum restriction of 550 Lohms in the free flow direction and is available in 15 different standard relief flow cracking pressures up to 5900 psid. Features: Only 300 Lohms in the Free Flow Direction Screened Versions Available