Adjustable Antisiphon Relief Valve Body Material PVC Inlet Type FNPT Outlet Type FNPT Inlet Size 2 In. Outlet Size 2 In. Pressure Range 5 to 100 psi Overall Height 24-11/16 In. Application Water Ultra-Pure Water Concentrated Etchants Overall Length 6 In. Seat Material PTFE Spring Material Zinc-Plated Steel Temp Range 32 Degrees to 140 Degrees F Test Lever No