Fire Pump Motor Specifications

The overcurrent devices may be set as normally required by the code nec table 450 3 a and table 450 3 b and must be set for indefinite time for lrc of all of the fire pump motors lrc of the jockey pump fla of the associated fire pump accessory equipment and 100 of the remaining loads.

Fire pump motor specifications.

Electric motors requiring high horsepower are commonly run on 460 volt or higher three phase power. All motors meet ul requirements file e481231 in open drip proof enclosures designed for relatively clean and dry environments. Select at least one product to add to your shopping list. Selecting a f ire p ump.

Fire pump motors are for use on fire pumps installed per nfpa 20. Foot mounted motors are available from stock in ratings of 10 300 horsepower and close coupled pump designs are available from stock in rating of 10. The most common choices for fire pump drivers are electric motors and diesel engines. Each pump is tested hydrostatically for not less than 5 minutes.

For example if the previously determined maximum system requirements call for a pump running at a nominal 4 pole motor speed that could provide 1 000 gallons per minute gpm at 100 feet of total head figure 4 shows that 5 6 11 and 6 8 11 size pumps overlap on the selection chart and will likely be the two best sizes to evaluate. Ac fire pump offers a range of split case pumps with spacing saving designs to simplify pump room layout. You need to select at least 1 product to add in your comparison list. Peerless fire pump installations ul listed ulc listed or fm approved deliver superior fire protection to facilities worldwide.

The test pressure is to be upto 2 times the maximum working pressure of the pump but in no case less than 250 psi 1724 kpa to ensure no rupture or leakage through the castings at the test pressure. C impeller balancing the impellers of each pump are dynamically balanced to the. Field tested products are designed for reliability and longevity and include a broad selection of pumps drives controls baseplates and accessories. Select at least one list to add to your products.

Selection of the fire pump depends on the building infrastructure and available space. Introducing the new ac fire pump selection tool.