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.

The 8100 series fire pump is designed to provide water to stand pipe sprinkler chemical mitigation and hydrant systems for fire suppression in industrial and commercial facilities. 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. Steam turbines are also an option but are fairly uncommon. 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.

Selection of the fire pump depends on the building infrastructure and available space. Electric motors requiring high horsepower are commonly run on 460 volt or higher three phase power. Ac fire pump offers a range of split case pumps with spacing saving designs to simplify pump room layout. Field tested products are designed for reliability and longevity and include a broad selection of pumps drives controls baseplates and accessories.

Introducing the new ac fire pump selection tool. The most common choices for fire pump drivers are electric motors and diesel engines. Selecting a f ire p ump. Select ac fire pump is here to help make specific pump selections and give easy access to technical product data performance curves dimensional drawings operational and maintenance manuals all in one easy to use tool.

Fire pump motors are for use on fire pumps installed per nfpa 20. All motors meet ul requirements file e481231 in open drip proof enclosures designed for relatively clean and dry environments. 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. C impeller balancing the impellers of each pump are dynamically balanced to the.

Each pump is tested hydrostatically for not less than 5 minutes. Select at least one product to add to your shopping list.