Irrigation

A.R.I. DC-500/501

Backflow Preventer - Double Check Valve

A.R.I. DC-500 and DC-501, are Double Check Valves designed to provide maximum protection against backflow caused by back-siphonage or backpressure. Backflow may cause infiltration of chemicals, fertilizers and/or other pollutants into potable water systems. Comprised of two
independent, easily replaceable, capsulated spring-loaded check valves.

U.S.A version
Downloads

Product Page (PDF)

EN (USA)

Technical Specifications

Size Unit

Connection size

DN15 (½"), DN20 (¾"), DN25 (1"), DN32 (1¼"), DN40 (1½"), DN50 (2")

Pressure rating

PN10

Working temperature

Working temperature range

0.5° C - 45° C

Max intermittent temperature

60° C

End connection type

Threaded NPT – ANSI B1.20.1

A.R.I. DC-500/501

A.R.I. DC-500/501

A.R.I. DC-501 with shut-off valves

A.R.I. DC-500/501

Features & Benefits

Easily replaceable modular parts
  • Simple, quick and inexpensive maintenance, low-cost repair parts
Construction materials
  • UV resistant, non-corrosive, scale resistant and durable
Lightweight and compact
  • Easy and quick installation, fits in confined spaces
Product Standards
  • ASSE 1015, AWWA C510, Watermark
USC - Authorized and Approved
  • USC - FCCHR: Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

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