Examples of Backflow in a sentence
All meter protection shall be by an approved Reduced Pressure Principle Backflow Prevention Assembly (RP) at the service connection.
Backflow preventer and valves shall be the same size as the pipeline in which they are installed, unless otherwise shown on the plans.• Backflow preventer shut-off valves shall be manufactured from iron or bronze and shall be either resilient wedged gate valves, resilient seated and fully ported ball valves, or resilient seated butterfly valves.
The tester shall hold a valid certification as a Backflow Preventer Tester from the local governing authority in which the device to be tested is located.
SECTION 20: EROSION CONTROL AND HIGHWAY PLANTING Issue Date: November 18, 2005 Section 20-2.25, "Backflow Preventers," of the Standard Specifications is amended to read: 20-2.25 BACKFLOW PREVENTERS• Backflow preventers shall be one of the reduced pressure principle devices as specified in these specifications and the special provisions.• Backflow preventers shall be factory assembled and shall include 2 check valves, one pressure differential relief valve, 2 shut-off valves and 4 test cocks.
An irrigation reduced pressure zone (hereinafter referred to as “RPZ”) is required for any irrigation systems and must be installed by the Developer and/or eventual lot owner and tested in accordance with the Minnesota Department of Health Guidelines for Designing Backflow Prevention Assembly Installations (hereinafter referred to as “Guidelines”).