Butterfly Valve Grooved Style Body Material Carbon Steel Max Water Pressure 200 psi Pipe Size 2 in Temp Range -20 Degrees to 180 Degrees F Liner Material Nitrile Disc Material 316 Stainless Steel Handle Type 2 Position Lockable Handle Standards ASTM A 183 ASTM A 536 ASTM A 563 SAE J995 AWWA C606