281 PRI/Chek Valve
The 281 PRI/Chek Valve combines the function of a pressure relief valve in parallel with a check valve 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.
Offered with or without integral safety screens, the 281 PRI/Chek Valve is available in a range of relief flow cracking pressures for system pressures up to 5000 psi. Maximum restriction in the Free Flow Direction is only 300 Lohms* (550 Lohms for screened version).
Each Lee PRI/Chek Valve is 100% tested and inspected in both flow directions to ensure reliable, consistent performance.
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