Double check detector assembly means an assembly of two
Double check detector assembly means an assembly of two (2) independently operating, approved check valves with an approved water meter (protected by another double check valve assembly) connected across the check valves, with tightly closing resilient seated shut-off valves on each side of the check valves, fitted with properly located resilient seated test cocks for testing each part of the assembly.
Double check detector assembly or “DCDA” means an assembly which consists of two independently operating check valves which are spring-loaded or weighted. The assembly comes complete with a shut-off valve on each side of the checks, as well as test cocks to test the checks for tightness. It shall also be provided with a factory bypass arrangement with a meter and a minimum of an approved double check assembly.
Examples of Double check detector assembly in a sentence
Devices approved for low hazard potable water system protection include the following: (1) Double check backflow preventer, and(2) Double check detector assembly.
Double check detector assembly backflow preventers shall conform to ASSE 1048.
Double Check Valve Assembly: Double check detector assembly shall consist of two independent check modules within a single housing, sleeve access port, four test cocks and two drip tight shutoff valves.
Double check detector assembly shall consist of two independent "Y" configured main line double check assemblies in parallel with a by-pass meter assembly.
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More Definitions of Double check detector assembly
Double check detector assembly means an assembly of two independently operating spring loaded check valves with a water meter (protected by another check valve or a reduced pressure backflow prevention device, depending upon degree of hazard) connected across the check valves, and with tightly closing shut-off valves on each side of the check valves, plus properly located test cocks for testing each part of the assembly.
Double check detector assembly. The term "double check- detector assembly" means a specially designed assembly composed of a line-size approved double check valve assembly with a specific bypass water meter and a meter-sized approved double check valve assembly. The meter shall register accurately for only very low rates of flow and shall show a registration for all rates of flow.
Double check detector assembly means a double check valve assembly which includes a detector check valve. Used primarily in fire flow applications.
Double check detector assembly or “DCDA” means an assembly which consists of two independently operating check valves which are spring-loaded or weighted. The assembly comes complete with a shut-off valve on each side of the checks, as well as test cocks to test the checks for tightness. It shall also be
Double check detector assembly means a specifically designed assembly composed of a line-size approved double check valve assembly with a specific bypass water meter and a meter-sized approved double check valve assembly. This assembly shall only be used to protect against a non-health hazard.
Double check detector assembly. (DCDA) means a specifically designed assembly composed of a line-size approved double check valve assembly with a bypass containing a specific water meter and an approved double check valve assembly. The meter shall register accurately for only very low rates of flow up to three gpm (gallons per minute) and shall show a registration for all rates of flow. This assembly shall only be used to protect against a non-health hazard. This assembly is primarily used on fire sprinkler systems.
Double check detector assembly. (DCDA) means an approved assembly consisting of two approved double check valve assemblies, set in parallel, equipped with a meter on the bypass line to detect small amounts of water leakage or use.