Diaphragm Valve Valve Design 2-Way Pipe Size 1/2 In. Connection Compression Coefficient of Volume 0.55 Length 2-3/16 In. Max Pressure 250 psi Ambient Temp Range -15 Degrees to 150 Degrees F Fluid Temp Range -15 Degrees to 150 Degrees F Diaphragm Material Elgiloy Body Material 316L Stainless Steel Seal Material PCTFE