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Hale p250 fire pump manual
Hale p250 fire pump manual











hale p250 fire pump manual

Control panel: Auto Control of electric pump, diesel engine pump and Jockey Pump with overload, over current protection.ĥ. Jockey pump, horizontal or vertical, capacity will be small, but head should be higher than electric and diesel engine pumpĤ. Diesel engine pump, with capacity and head equal to electric pump, with fuel tank, water tank,fan, control boxģ. Electric motor driven pump, can use single stage pump, horizontal split case pump, end suction pump, multistage pump, material can be cast iron, stainless steel, and bronze impellerĢ. Types of pumps used for fire service include: end suction, horizontal split case, vertical split case, vertical inline and vertical turbines.ġ. National Fire Protection Association (NFPA). Where the supply of water to the pump is taken from a suction reservoir of limited capacity, the drain pipe shall discharge into the reservoir at a point as far from the pump suction to prevent the pump from drafting air introduced by the drain pipe discharge.Fire Pump Packages Fire pump package comprises a combination of electric motor driven pump, diesel engine driven and electric motor driven jockey pumps that supply for fire suppression systems.įire pump package is required to comply with Local Civil Defense Authority regulations and International Codes of Practice e.g.where a pressure relief valve has been piped back to suction, a circulation relief valve discharges to atmosphere shall be provided downstream of the pressure relief valve, and shall actuate below the opening set point of the pressure relief valve to ensure cooling of the pump during churn operation.Isolation of the test header piping from the pressure relief valve discharge shall be possible.The discharge piping from multiple relief valves shall not be combined with fire pump test piping.Relief valve discharge piping from a single fire pump returning water back to the supply source shall be permitted to be combined with fire pump test piping downstream of any control valve.Relief valve discharge piping returning water back to the supply source, such as an above-ground storage tank, shall not be combined with the discharge from other relief valves.

hale p250 fire pump manual hale p250 fire pump manual

A shutoff valve shall not be installed in the relief valve supply or discharge piping.The relief valve shall discharge into an open pipe or into a cone or funnel secured to the outlet of the valve, Water discharge from the relief valve shall be readily visible.













Hale p250 fire pump manual