The ABPR1 Series Back Pressure Valve is a high sensitivity, general purpose back pressure valve for controlling system pressure in front of the back pressure valve inlet. 

Diaphragms provide excellent sensitivity and set point repeatability. 

Metal-to-metal diaphragm seals minimize leakage possibilities. 

Can be used with gases or liquids. 

316L stainless steel and brass body. 

Optional 316L stainless steel or alloy 625 diaphragms. 

Optional diaphragms with Panel Mount, 

Pressure Control Range: 0-200 psig (13.8 bar), 

Maximum Operating Temperature: 0-260°C, 

Flow Coefficient (Cv): 0.005, 0.01, 0.06 (standard), 0.20, 

Weight: 0.86 kg.