Fire pump calculation

Author: s | 2025-04-24

Fire Pump Sizing Calculator Fire Pump Sizing Calculator Building Size (square feet): Occupancy Type: CommercialResidential Calculate Fire Pump Capacity (GPM)

fire pump calculations - Pump engineering

NFPA 20 Diesel+Electric+Jockey+Controller Packaged Fire pump Introduction XBC series Diesel engine fire-fighting pump is a new-style fire fighting equipment, which is developed upon the fitted fire fighting pumps (single stage single suction type, singlestage dualsuction type and sectional multistage type), can be divided into several series. The equipment has a wide range of pressure and temperature and can be used for almost every occasion necessary for fire fighting purpose.The diesel engine fitted with the equipment is an excellent product domestic or imported, features good starting performance, strong overload capacity, compact structure, easy maintenance and use and high degree of automation. XBD Series Electricity Fuel Centrifugal Fire Fighting Water Pump is the new middle and low pressure fire fighting product, which researched by our company according to the latest standard(GB 6425-1998) of fire fighting pump in our country, its motor and fire pump is connected directly, which simplified the middle transmitting structure, and strengthen operation's stability. Its building area is less 30% than common horizontal fire pump, the shaft seal adopts hard alloy mechanical seal without leakage, its inlet and outlet can be installed at any position and any direction like valve, its noise is low, maintenance is convenient, shake is little and so on. XBD series include four structural types to meet the different requirements of users, including vertical single-stage fire pump, vertical multistage fire pump, horizontal single-stage fire pump and horizontal multistage fire pump. Name Electric or diesel engine driven centrifugal fire fighting water pump Pumped medium Water or other liquid Fire pump flow 1.5~1550m3/h Fire pump head 16~380m Inlet & Outlet diameter DN25~600mm Fire Pump material Cast iron/Stainless steel Speed 980~3500rpm Diesel / motor power 0.75~580kW Diesel cylinder numbers 1/2/4/6/8 Straing method 12/24V battery starter for diesel engine Motor Electric 110~525V Medium temperature -15~+120ºC 1.Electric pump: kinds of end suction pump, split case pump, multistage pump.made of cast iron, stainless steel. Impeller can be bronze. 5.5-710 kw 0.3-1.2 mpa 10-420 l/s (150-6600GPM 2.Diesel pump: Flow is the same with electric pump. It connects the pump set with High elastic coupling or universal joint.It also includes water tank, oil tank, fans, control screen etc. 7.0-810 kw 0.3-1.2 mpa 10-420 l/s (150-6600GPM) 3.Jockey pump: horizontal or vertical, small flow, head is higher than electric or diesel pump 4.Control panel: control the pumps automatically with overload, overcurrent protection 5.Accessories: check valve, gate valve, pressure tank (0.6mpa, 1.0mpa, 1.6mpa) Pressure gauge, pressure sensors, import and export common pipe, soft joints, flanges and common base.

Fire Pump Sizing and Calculations

500GPM 750GPM 1000GPM 8BAR Fire Fighting Pump Set Introdution Fire pump system is made of Electric Pump + Diesel Engine Pump+Jockey Pump+Accessories Operation: 1 Duty(electric pump ) + 1 stand by(diesel engine ) + 1 Jockey Capacity: 100GPM, 150GPM, 200GPM, 300GPM, 400GPM, 500GPM, 750GPM, 1000GPM, 1250GPM...GPM with Pressure 4Bar, 5bar, 6Bar, 10Bar, 15Bar... Bar. Application:Equipment for warehouses, docks, airports, petrochemical, power plants, liquefied gas, textiles, ships, oil tankers and other occasions of a fire service. Working Conditions :Altitude ≤ 1000m; Ambient temperature: +5 °C ~ +40 °C; Relative humidity: Features 1)Safe and reliable 2)Easy installation 3)Easy to operation 4)International standard 5)Use foreign advanced technology EDJ Fire Fighting Pump System's Components A brief introduction of EDJ Fire Pump System's components Diesel Engine Fire Pump Have the standard of National Fire Protection Association Standard NFPA20 "centrifugal fire pump installation" and other standards. The diesel engine fire pump is equipped with the characters of good and strong overload capacity, compact structure, easy to maintain and high degree of automation. Altitude ≤ 1000m; Ambient temperature: +5 °C ~ +40 °C; Relative humidity: ≤ 90% Electric Fire Pump Apply to fire protection system, pressurized water pipes, industrial and urban water supply and drainage, water pressure high-rise building, long-distancewater, heating, bathrooms, boilers and well-being of the water cycle, pressurized water and air-conditioning cooling systems and other equipment supporting occasions. Flow: 1~300L/s; Head: 0.15~1.6MPa; Power: 0.75~160/6P kW; Speed: 960~2900r/min; Working Pressure: ≤1.6MPa; Medium Temperature: ≤90°c; Material: HT200 (Bronze ally impeller) Jockey Pump The combination of advanced international

Hydraulic Calculation For Fire Pump

And domestic technologies The design and manufacture of the self-priming vertical multistage centrifugal pump The adoption of standard vertical motor and fast loading type mechanical seal makes it convenient to change Apply to mild corrosive medium and substitute the foreign CR, CRN and similar products. High efficiency and energy saving and reliable quality Flow rate: 4.2-504 m3 / h; Head: 24-240 m; Power: 1.5-450 kw; Speed: 2900 r/min; Caliber: φ 40-phi 250; Temperature range: 0-+ 90 °C; Working pressure: more than 2.4 Mpa Control Panel Frequency conversion constant pressure control equipment: high efficiency and energy saving, perfect fault handling. Fire pump control equipment: high and low level industry, civil building fire, spray, water curtain and other pumps' control. Submersible sewage pump control equipment: automatically control and protect of submersible sewage pump. Air conditioning pump control equipment: control the pump in air condition system, bathhouse and swimming pools. And it's also suitable for startup and control of alternating dynamo. Control System Function Diesel engine water pump Auto start and stop,electricl water pump start and stop,jocky water pump start and stop,relative sensors and wires. Configuration : OPTIONS PICTURES FOR REFERENCE ( U CAN CHOOSE THE TYPE U PREFER) 1-EDJ Type (Electric Pump+Diesel Pump+Jokey Pump) 2-DJ Type (Diesel Pump+Jokey Pump) 3-EJ Type (Electric Pump+Jokey Pump) 4-EEJ Type (Electric Pump+Electric Pump+Jokey Pump) FAQ: 1Q:How long is the deliver time? A:For the order in stock, we will deliver goods at once against payment. For the orders out of stock, the products time is 35 days. Fire Pump Sizing Calculator Fire Pump Sizing Calculator Building Size (square feet): Occupancy Type: CommercialResidential Calculate Fire Pump Capacity (GPM) Download : Fire Pump Head Calculations Sheet. Tag: fire, fire protection, Fire Pump, Fire Pump Head Calculations Sheet. Share: HVAC SIMPLIFIED Previous post.

Fire Pump Calculation - advocacy.ccrjustice.org

Find More Calculator ☟ Choosing the right fuel pump for your vehicle is crucial, especially when dealing with engines that have been modified or require specific performance needs. Our fuel pump calculator is designed to simplify this process, allowing you to input your engine's specifications and get the recommended fuel pump flow rate instantly.Historical BackgroundFuel pumps have evolved from mechanical to electric versions, significantly improving efficiency and reliability. Initially, mechanical fuel pumps, driven by the engine's camshaft, were standard. However, with advancements in automotive technology, electric fuel pumps became the norm due to their ability to maintain consistent fuel pressure and supply, especially important in fuel-injected engines.Calculation FormulaThe fuel pump flow rate calculation depends on several factors:\[\text{Fuel Pump Flow Rate (L/hr)} = \text{Power (HP)} \times \text{Multiplier}\]The multiplier varies depending on the induction type and fuel used, providing a tailored recommendation for each specific engine setup.Example CalculationFor a 400 horsepower supercharged engine running on petrol, the calculation would be:\[400 \times 0.498 = 199.2 \text{ L/hr}\]This result indicates the minimum flow rate your fuel pump should provide to meet the engine's demands.Importance and Usage ScenariosSelecting an appropriate fuel pump is vital for optimal engine performance and longevity. It ensures that your engine receives the correct amount of fuel, especially under high-demand conditions, such as in turbocharged or supercharged engines. This selection is critical for modified engines, where the stock fuel pump may no longer suffice.Common FAQsWhat is the significance of the induction type in selecting a fuel pump?The induction type (naturally aspirated,

Fire Fighting - How to Calculate Fire Pump and Jockey Pump - YouTube

Etc.Sizing a Fire PumpA fire pump must be designed properly to handle the most demanding fire sprinkler system. Incorrectly sized fire pumps can result in several problems like:Improper system function.Undeveloped spray patterns from sprinklers.Insufficient pressure to hose valves.Too much pressure, causing components to burst and break open while operating.Hence, the first step of fire pump sizing is to identify the most demanding system. The standpipe is the most demanding system in most commercial buildings. The standpipe system design and the fire pump flow rate requirements are given in NFPA 14.Next, the required pressure must be calculated. Pressure requirement can be calculated as (Demand at the top + static losses+ pipe friction losses – source water pressure). Other requirements are the size of the room where the fire pump will be installed.If the sprinkler load is the most demanding then the fire pump must be designed based on the hydraulic demand of the sprinkler system.Once the above parameters are known, a fire pump can be selected. NFPA Fire Protection Handbook provides enough guidelines for selecting the required fire pump.Characteristics of a Fire PumpThe main characteristic feature that a fire pump should have are listed below:Pump internals must be made from non-corrosive materials.The pump selection must be based on the required NPSH value, flow, and head demand to avoid cavitation.All fire pumps must have adequate power reserves.Join us on Telegram

LOAD CALCULATION AND SIZING OF FIRE PUMP JOCKEY PUMP

Relief Valves for Centrifugal Pumps According to NFPA 20What is relief valve?A device that allows the diversion of liquid to limit excess pressure in a system.Where shall we install relief valve?relief valve shall be installed for centrifugal pumps in only two cases:For diesel engine fire pump: Where a total of 121% of the net rated shutoff (churn) pressure plus the maximum static suction pressure, adjusted for elevation, exceeds the pressure for which the system components are rated.For electric variable speed pump or a diesel pressure limiting driver: Where the maximum total discharge head adjusted for elevation with the pump operating at shutoff and rated speed exceeds the pressure rating of the system components.Sizing of relief valve:The relief valve size & its discharge pipe shall not be less than that given in table below, or sized hydraulically to discharge sufficient water to prevent the pump discharge pressure, adjusted for elevation, from exceeding the pressure rating of the system components.If the discharge pipe employs more than one elbow, the next larger pipe size shall be used.Relief Valve sizing According to NFPA 20Location of relief valve:Relief valve shall be located between the pump and the pump discharge check valve.Types of relief valve:Listed spring-loaded Pilot-operated diaphragm type.Discharge of relief valve: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. Notes on installation of relief valve:A shutoff valve shall not be installed in the relief valve supply or discharge piping.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.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.The discharge piping from multiple relief valves shall not be combined with fire pump test piping.Isolation of the test header piping from the pressure relief valve discharge shall be possible.where a pressure relief valve has been. Fire Pump Sizing Calculator Fire Pump Sizing Calculator Building Size (square feet): Occupancy Type: CommercialResidential Calculate Fire Pump Capacity (GPM) Download : Fire Pump Head Calculations Sheet. Tag: fire, fire protection, Fire Pump, Fire Pump Head Calculations Sheet. Share: HVAC SIMPLIFIED Previous post.