Trap primer definition

Trap primer means a device or system of piping to maintain a water seal in a trap, typically installed where infrequent use of the trap would result in evaporation of the trap seal, such as floor drains.
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Examples of Trap primer in a sentence

  • Trap Primer - For each floor drain within the restroom, provide a Sloan Vacuum Breaker VBF-72-A1 Trap primer chrome plated flush connection with a special three eights (3/8) inch adaptor connection from the flushometer outlet, for a flex- bend connection, and a wall flange, for each floor drain.

  • Trap primer air gaps, when required, shall be located a minimum of 6 inches (152 mm) above the flood level of the floor drain or receptor served.

  • Trap primer installation shall include installation a near-by cold water line, isolation valves, and piping to the floor drain to be protected.

  • Trap primer drains shall be constructed to completely drain by gravity after each cycle of operation and, in no case, shall the drain be connected to the trap below the top of the trap water seal or trap outlet weir.

  • Pressure Activated Primer: Trap primer shall be Precision Plumbing products Model CPO-500 with DU distribution unit if required.

  • Trap primer connections located in the drain body are not permitted.

  • Trap primer connections located in the body of the drain are not acceptable.

  • Flush Valve Primer: Trap primer shall be Precision plumbing products model FVP- 1VB with vacuum breaker.

  • Trap primer shall be programmed as standard to provide a six (6) second water injection to traps every twenty – four (24) hours, complete with galvanized steel combination surface or recess mounted box as shown, with cover, ½” solder copper inlet connection, brass ball type stop valve, slow closing 24V AC solenoid valve with integral strainer, 120V-24V AC transformer, brass atmospheric vacuum breaker, PEX waterway, and an anti-scaling multi port manifold with five (5) PEX connection outlets.

  • Trap primer connection will be provided at all drains with a p-trap.

Related to Trap primer

  • Pretreatment wash primer means the first coat applied to bare metal if solvent-based primers will be applied. This coating:

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  • Runoff coefficient means the fraction of total rainfall that will appear at the conveyance as runoff.

  • External floating roof means a storage vessel cover in an open tank top consisting of a double deck or pontoon single deck which rests upon and is supported by the petroleum liquid being contained and is equipped with a closure seal or seals to close the space between the roof edge and tank shell.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • SFTR means Regulation (EU) 2015/2365 of the European Parliament and of the Council of 25 November 2015 on transparency of securities financing transactions and of reuse and amending Regulation (EU) No 648/2012;

  • Single Phase Aerosol Air Freshener means an aerosol air freshener with the liquid contents in a single homogeneous phase and which does not require that the product container be shaken before use.

  • Cannabinoid extract means a substance obtained by separating cannabinoids from marijuana by:

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.

  • SMME means small, medium and micro enterprises namely Exempted Micro Enterprises and Qualifying Small Enterprises

  • House dust mite means mites which feed primarily on skin cells shed in the home by humans and pets and which belong to the phylum Arthropoda, the subphylum Chelicerata, the class Arachnida, the subclass Acari, the order Astigmata, and the family Pyroglyphidae.

  • Double Phase Aerosol Air Freshener means an aerosol air freshener with the liquid contents in two or more distinct phases that requires the product container be shaken before use to mix the phases, producing an emulsion.

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  • Sludge dryer means any enclosed thermal treatment device that is used to dehydrate sludge and that has a maximum total thermal input, excluding the heating value of the sludge itself, of 2,500 Btu/lb of sludge treated on a wet-weight basis.

  • Sewage sludge weight means the weight of sewage sludge, in dry U.S. tons, including admixtures such as liming materials or bulking agents. Monitoring frequencies for sewage sludge parameters are based on the reported sludge weight generated in a calendar year (use the most recent calendar year data when the NPDES permit is up for renewal).

  • Soil texture means proportion by weight of sand, silt, and clay in a soil.

  • Conventional filtration treatment means a series of processes including coagulation, flocculation, sedimentation, and filtration resulting in substantial particulate removal.

  • Opium poppy means the plant of the species Papaver somniferum L., except its seeds.

  • Leak of UPSI means communication of information which is/deemed to be UPSI by any person, who is in possession of UPSI, to any other person, directly or indirectly, overtly or covertly or in any manner whatsoever, except for legitimate purposes, performance of duties or discharge of legal obligations.

  • Monte Titoli means Monte Titoli S.p.A.

  • Cold Weather Alert means the notice that PJM provides to PJM Members, Transmission Owners, resource owners and operators, customers, and regulators to prepare personnel and facilities for expected extreme cold weather conditions.

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  • Diameter at breast height (dbh) means the diameter of a tree at 4 1/2 feet above the ground measured from the uphill side.

  • Automated external defibrillator or “AED” means an external semiautomatic device that determines whether defibrillation is required.