What is a Horizontal Split-Case Fire Pump

 

A horizontal split-case fire pump is a type of centrifugal pump designed for fire protection systems. The “split-case” refers to how the pump casing is split into two halves horizontally (along the plane of the shaft). The impeller (or impellers, if double suction) and shaft are between the two halves, so you can open the top or bottom half for maintenance without disturbing the piping or driver (motor/diesel engine).

Some technical attributes:

  • Usually single‐stage (sometimes double) with double‐suction impeller designs. This helps balance axial thrust and provides higher flow capacity.
  • Very good for high flow, medium to high pressure systems.
  • Compliant with fire protection standards: UL, FM, NFPA-20 etc. These standards ensure reliability, performance, safety under emergency conditions. firecps.com

Uses / Applications in Industry

Horizontal split-case fire pumps are used where large volume and reliable fire water supply is vital. Some examples:

ApplicationWhy this pump type is chosen
High-rise buildings / Commercial complexesNeed high flow for sprinklers, fire hydrants etc; split case pumps deliver high flows with stable pressure.
Warehouses, storage facilitiesLarge footprint, fire spread risk; hydrants or deluge systems require immediate large supply.
Oil & gas, chemical plants, petrochemical facilitiesCombustible materials, higher risk, strict safety standards; reliability and maintenance ease are important.
Airports, power stations, portsCritical infrastructure; must be operational, able to handle large volumes quickly.
Industrial plants with large sprinkler or standpipe systemsFor rapid fire suppression over large areas.
Remote/offshore facilitiesWhere redundancy is needed and maintenance access is limited; split case design helps reduce downtime.

Some more general water supply and pressure boosting also use split case pumps (though not always for fire protection); but the fire-rated versions have special requirements like emergency power, controller features, priming, etc.

Advantages & Considerations

Advantages:

  • Easier Maintenance: Because of the split casing, you can access internal parts without disturbing the suction/discharge piping and the driver. Reduces downtime.
  • High Efficiency: Double-suction impellers mean better hydraulic balance, less vibration, more efficient energy usage at high flow.
  • Strong Build / Durability: Robust shaft, good bearings, and often made in materials suitable for corrosion resistance etc.

Considerations / Downsides:

  • Footprint & Space: These pumps are larger in plan‐size, need more space than vertical or end suction pumps. If space is limited, this can be a drawback.
  • Cost: Higher initial cost vs smaller pumps, especially if you need certified versions (UL, FM etc.).
  • Need for Positive Suction Head: Generally these pumps assume good suction supply. If suction supply is poor, performance suffers or special suction design is needed.

Firecps – What They Do in UAE

Firecps (Fire Control Protection Systems, Ajman) is one of the suppliers in UAE that provides horizontal split-case fire pumps among their fire protection product range. firecps.com
They offer installation, maintenance, and servicing, complying with UAE fire codes & NFPA standards.

Other Top Suppliers in UAE

Here are other suppliers / manufacturers in or servicing UAE who are known for fire pumps or fire safety equipment:

SupplierWhat they offer / Strengths
NAFFCOOne of the largest producers/suppliers in the Middle East. They supply Certified Horizontal Split Case Fire Pumps among other types.
Metel PumpsProvides UL-listed split-case fire pump sets, among other kinds; suitable capacity ranges for many industrial / commercial uses.
Dnieper Fire (DFS)Supplies fire protection pumps (including split case), UL/Fm/CE marked, with support & maintenance services across UAE. Mysite+1
Al Waseef FireOffers high-performance fire pumps with good support; useful if you need local supply & service.

What to Look for / Spec When Choosing

When you are selecting a supplier and a specific horizontal split case fire pump, check for:

  • Certifications: UL Listed, FM Approved, NFPA-20 compliant. UAE civil defense approvals.
  • Flow & Pressure Ratings: Does it meet the demand of your sprinklers, hydrants, standpipes etc.
  • Power source: Electric OR Diesel engine driven (or dual). Diesel may be needed in case of power outage.
  • Materials: Impeller material, casing, shaft (SS, bronze, cast iron etc.), corrosion resistance.
  • Maintenance access: Split case design helps, but also check for availability of spare parts locally.
  • Controller & Safety Features: Fire pump controllers, automatic switching, alarms, pressure gauges etc.
  • Warranty & After-Sales Service: Local support, service contracts, availability of engineers.

If you like, I can prepare a comparison table of a few specific horizontal split case fire pump models from suppliers in UAE (with price, specs etc.) so you can see which suits best. Do you want me to do that? http://firecps.com/

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