Fire Sprinkler Test And Drain Valve

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Fire sprinkler test and drain valve.

From the 2016 edition of nfpa 13 3 4 11 wet pipe sprinkler system a sprinkler system employing automatic sprinklers attached to a piping system containing water and connected to a water supply so that water discharges immediately. The drain position allows unrestricted flow for rapid draining of the system. A61 test and drain valve for sprinkler systems combines the functions of test and drain for wet sprinkler systems. The main drain test is required by nfpa25 to be performed annually to ensure the proper water supply is available at the system riser detect changes in the water supply that may affect the sprinkler system s performance and confirm the drain valves are operational.

View as grid. Zurn model ftd fire test and drain valves provide for required water flow testing and draining of a sprinkler system with one valve. Valves test and drain. In the test position this valve simulates flow of a single sprinkler with a 5 6 k factor orifice.

Main drains auxiliary drains sectional drains test drains and more. Residential fire pumps tanks. Since then testandrain valves have been installed on many fire protection systems throughout the world. The a61 valves are single handle ball valves with three working positions.

Ul listed and fm approved. Sprinkler system expansion tanks. 1 25 mm 1 1 4 32 mm 2 50 mm cad drawings. Clear sight glass plugs facilitates visual inspection of water flow through the valve.

Included is a detailed breakdown of the primary drain valves in a sprinkler system. Equal quality and guaranteed savings. Test and drain valves. The lightweight and compact model 1000 is a 300 psi rated single handle ball valve designed to provide both the test and express drain functions required for a wet fire sprinkler system.

Test and drain valves are compact 3 position ball valves with drain orifice having k factor 5 6 or 4 2 optional 3 positions consist of off test and drain. An entire floor control loop assembly in one valve. Test and drain valves serve the installation and maintenance applications of wet pipe fire sprinkler systems. Agf manufacturing revolutionized the fire sprinkler industry with the model 1000 testandrain single valve inspector s test which eliminated the time and space consuming traditional loop assembly.

Brass construction astm b584 integral tamper resistant sight glass. Welded outlets and drop nipples. A61 valves have forged brass body with chrome plated brass ball valve and ptfe seats. Why would a fire protection system need to be drained.

The valves comply with the requirements of nfpa 13 nfpa 13r and nfpa 13d. This article discusses four common reasons and details the various types of drains necessary for safely draining a fire sprinkler system.