Product Overview
These general-purpose relief valves are specially designed to compliment the cartridge range of valves, and are based on well-established principles to meet the full range of pressures on offer. (0 to 400 barG) (0 to 6000 psi).
• Type 822 operates at 10% above system pressure and re-seats at approximately 90% of original system pressure.
• Set pressure remains constant up to a 10% back pressure
• Additional features include an open leaver for testing and locking provision of set point.
 Materials of Construction
 Cartridges - Stainless Steel
Nickel Aluminum Bronze
Housings/Bodies - Stainless Steel
70/30 Cu Ni
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