Product Details

• Designed for blower service
• Weighted relief valve settings can be easily adjusted simply by adding or removing weights
• Simply remove the retaining ring from the top of the body and add the appropriate number of 1/2 in psi plates
• To attain the pressure setting you want above 3 psi, simply remove the retaining ring from the top of the body and add the appropriate number of 1/2 in psi plates (for valve sizes 1 in, 1/1/2 in and 2 in) or 1 psi plates (for valves sizes 3 in and 4 in)
• Easy to adjust proper pressure setting
• Bare valves open at 3 psi