Pneumatic Shut-Off Valve Valve Design Normally Closed Pipe Size 1/2 in Connection FNPT Coefficient of Volume 3.4 Length 2 1/2 in Max Pressure 100 psi Ambient Temp Range 32 Degrees to 180 Degrees F Fluid Temp Range 32 Degrees to 140 Degrees F Diaphragm Material PTFE Body Material PVC Seal Material PTFE