AutoFill™ Combo RPZ 5350A - NA Market

Testable reduced pressure zone backflow preventer, code 574, combined with pre- adjustable automatic fill valve, code 5350. RPZ backflow preventer with DZR low-lead brass body (EN 1982 CB752S) and access cover (EN 12165 CW724R) (<0.25% lead content), certified by ICC-ES to ASSE 1013/CSA B4.4 and NSF 372. Meets codes IPC, IRC, NPC, UPC and ANSI/NSF 372 for use in accordance with the US and Canadian plumbing codes. PSU-POM check valves, stainless steel springs and cover bolts. Peroxide-cured EPDM diaphragm and seals. Access cover is removable for inspection, maintenance and repair without removing from pipeline. Equipped with inlet and outlet isolation ball valves, bronze body, 304 stainless steel ball, steel handle and nut, PTFE seat ring and packing gland, brass gland nut and low-lead brass stem. Complete with upstream, intermediate and downstream pressure zone test ports and PVC discharge air gap assembly with collar fitting to discharge pipe. Automatic Filling Valve with compensated seat and self-contained cartridge. Brass body and internal moving parts. Glass fiber reinforced nylon PA66G30 cover. Stainless steel filter, mesh size 0.51 mm (35 mesh). NBR diaphragm and seals. Downstream pressure setting range from 6–90 psi
(0.5–6 bar). Self-contained cartridge can be removed for maintenance purposes, replacement code 535004. Environmental: indoor installation only. Complete with: adjustment knob with downstream pressure regulating indicator showing increasing or decreasing pressure direction for manual setting, pressure gauge with 2" dial, scale 0–100 psi (0–7 bar), connections 1⁄8" NPT male, replacement code NA10273. Valve pressure gauge connection 1⁄8" NPT female. Combination backflow preventer and filling valve pre- assembled unit is size ¾" inlet and outlet.

A. Maximum working pressure: 150 psi (10 bar).
B. Suitable fluids: water.
C. Maximum working temperature: 150 degrees F (65 degrees C).
D. Downstream pressure setting range: 6 psi to 90 psi (0.5 bar to 6 bar)
E. Factory pre-setting: 15 psi (1 bar)
F. Pressure gauge scale: 0 psi to 100 psi (0 bar to 7 bar)
G. Filter mesh size: 0.51 mm (35 mesh)
H. Model:
1) Code 574151A, ¾ inch NPT female union connection inlet, ¾ inch NPT male union connection outlet.
2) Code 574156A, ¾ inch press union connections.
3) Code 574157A, ¾ inch press union connection inlet, ¾ inch NPT male union connection outlet.