Operating Pressure Differential: 155 psi
The light blue color indicates that the Spill Pallets and grates have been fluorinated
The shower curtain has a hemmed top edge for added durability and is
Cross Reference: Duotherm
Aquatrol Bronze Adjustable Relief Valve, MNPT Inlet Type, FNPT Outlet Type - 69A1S-400 Bowl Shape-Circular Operating Pressure Differential: 155 psiSeries 69 Relief Valves, Max. temp.: 450F,Field adjustable pressure is factory set to midrange for minimal effect on flow capacity rates. Adjustment requires no disassembly; simply remove hex cap. Closed bonnet, sealed hex cap, and lapped metal seating eliminate leakage. Stainless steel springs. MNPT x FNPT connections. For pressure relief, liquid relief, continuous bypass, and overprotection for pumping stations, tanks, hydraulics, fluid, and