These backflow preventers feature NRS gate valves. Strainers not included; FDA approved epoxy-coated cast-iron strainers are available (stock # 58870).
Materials: 304 SS body; glass-filled PPO/SS access cover; lead-free bronze relief valves; glass-filled PPO‚ lead-free bronze and 304 SS check valves; 304 SS springs and fasteners; chloramine-resistant silicone seat discs; lead-free bronze test cocks with 304 SS handles.
Approvals: ASSE 1015‚ CSA B64.5‚ IAPMO‚ FM‚ NSF 372‚ AWWA C510‚ USC-FCCCHR.
Shipping: Ships motor freight.