ABPR4 series high flow backpressure valve piston sensing design provides better control of system pressure before the backpressure valve inlet. 

Large diameter piston improves pressure sensitivity. 

Can be used for gases or liquids. 

Piston design is compact. 

Body is made of 316L stainless steel. 

Panel mounting is available as an option. 

Maximum Operating Temperature: 260°C. 

Pressure Range: 0-3000 psig. 

Flow Coefficient (Cv): 1.0. Weight (backpressure valve only): ≈1.55kg. Pressure Range: 0-3000 psig, Flow Coefficient (Cv): 1.0, 

Weight (backpressure valve only): ≈1.55 kg.