Dual Check Valve definition

Dual Check Valve means a backflow prevention device consisting of two spring-loaded, independently acting check valves.

Dual Check Valve means a backflow prevention device which contains two independently acting check valves and shall have plugged test ports for in-line testing.

Dual Check Valve means a device consisting of two internally loaded soft- seated check valves. This device does not contain test ports and is acceptable for use only at the meter of residential customers.

Examples of Dual Check Valve in a sentence

• Any device installed to meet this policy must meet or exceed ANSI/ASSE Standard 1024, "Dual Check Valve Backflow Preventers." A single in-line or swing check valve installation cannot be considered adequate for backflow prevention.

• A Dual Check Valve device may be installed, as a secondary protection method of the drinking water system, within the meter yolk of non-industrial, low hazard connections.

• Utah Code, Section 19-4-112(2) d, states, "There shall be no cross connections between thepotable and non-potable water systems." This ban on cross connections serves as primary protection of the public drinking water system and therefore, Dual Check Valve Devices used at the meter yoke of a non-industrial connection will be considered secondary protection.

• An approved Dual Check Valve device consists of two (2) independently operating, spring loaded check valves.

• Meter yoke to be Mueller 1404-2 with non- approved Dual Check Valve feature replaced with an extra angle valve, 7" to 9" riser height with valve for 5/8" x 3/4" meter unit.

• It is recommended that each residential customer install a "Residential Dual Check Valve Backflow Preventer" in their water line downstream of their shutoff valve.

• A quality Ford Check Valve or Dual Check Valve may be substituted for the outlet valve.

• A quality Ford Check Valve or Dual Check Valve may be substituted for the outlet valve .

• The body is cast from AWWA C800 Standard (ASTM B584, UNS C89833 no-lead brass alloy) .The unique angle design of the Ford Angle Cartridge Dual Check Valve features a removable “O” ring sealed cap at the top of the valve .

• Most assemblies will also have a backflow prevention device such as a Dual Check Valve and possibly an in-line flow restrictor.

More Definitions of Dual Check Valve

Dual Check Valve means a Backflow Preventer that consists of two force-loaded, soft-seated check valves in series with no relief port or test ports included;

Dual Check Valve means a device consisting of two internally loaded soft-seated check

Dual Check Valve means a type of backflow device manufactured pursuant to ASSE Standard 1024.