Pneumatic Pressure & Relief CPR-04-V-PR5.0Captive Pressure Relief, Stainless Steel, 1/4 NPT, 5.0 Bar Set Point, Viton. CPR-06-V-PR5.0Captive Pressure Relief, Stainless Steel, 3/8 NPT, 5.0 Bar Set Point, Viton. CPR-08-V-PR5.0Captive Pressure Relief, 316 Stainless Steel, 1/2 NPT, 5 Bar Set Point, Viton. CPR-12-V-PR5.0Captive Pressure Relief, Stainless Steel, 3/4 NPT, 5.0 Bar Set Point, Viton. CPR-16-V-PR5.0Captive Pressure Relief, Stainless Steel, 1 NPT, 5.0 Bar Set Point, Viton. CPR-16-V-PR5.5Captive Pressure Relief, 316 Stainless Steel, 1 NPT, 5.5 Bar Set Point, Viton. S06-PR5.0Pressure Relief, Stainless Steel, 1/4 NPT, 5 Bar Set Point, Viton. S06-PSVPressure Sensing Valve, 316 Stainless Steel, 1/4 NPT S12-PR5.0Pressure Relief, Stainless Steel, 1/2 NPT, 5 Bar Set Point, Viton.