Manual Butterfly Valve Body Material T304 Stainless Steel Tube Size 1 1/2 in Connection Clamp Max Pressure 145 psi Temp Range 15 Degrees to 200 Degrees F Surface Finish 32 RA I.D. Overall Length 2 189/250 in Seat Material Viton Disc Material 304L Stainless Steel Handle Type Trigger Standards FDA Compliant Seats