SCF100-80-250  UL/FM Horizontal Split Case Fire Pump  300–500 GPM, 400 GPM @ 110 PSI  50Hz (2980 RPM) / 60Hz (3550 RPM)  Electric or Diesel Drive

NMFIRE fire pump packages are manufactured through advanced hydraulic design, precision machining, and strict quality control processes to ensure reliable operation in critical fire protection applications.

Advanced Computational Fluid Dynamics (CFD) analysis and 3D hydraulic design are applied to optimize internal flow performance:

• Improved hydraulic efficiency
• Reduced hydraulic losses
• Lower required motor power
• Stable flow and pressure performance

Pump casing manufacturing adopts Lost Foam Casting Technology to improve surface quality and hydraulic performance. Manufacturing capabilities include:

• CNC processed metal patterns
• Automatic molding line
• Automatic sand processing production line
• Intermediate frequency melting furnace
• VOD refining furnace
• Precision wax casting technology

Critical components are processed through precision CNC machining. Quality control includes:

• Impeller machining and dimensional inspection
• Shaft machining and runout verification
• Assembly alignment verification
• Dynamic balancing test for all rotating components

Each NMFIRE fire pump package undergoes factory performance verification before delivery per NFPA 20 requirements. Testing includes:

• Shut-off (churn) pressure testing — must not exceed 140% of rated pressure
• Rated flow and rated pressure verification
• 150% rated flow verification — pressure must be ≥65% of rated pressure
• Pressure-flow curve recording (minimum 5 test points)
• Operating parameter monitoring (vibration, temperature, noise)

Our dedicated fire pump test bench enables:

• Accurate flow measurement via calibrated flow meter
• Pressure monitoring at suction and discharge
• Complete performance curve generation
• Third-party witness testing arrangement per project requirements

For seawater service, corrosion-resistant, or other special material requirements, please contact us to discuss.

The SCF100-80-250 electric drive is available with motor size matched to each duty point from 40 to 100 HP:

• ODP (Open Drip Proof) — economical enclosure for clean, dry, well-ventilated indoor pump rooms
• TEFC (Totally Enclosed Fan Cooled) — sealed enclosure for dusty, humid, hot, or outdoor-adjacent environments; the common choice for African project sites

For sites with unreliable mains power or no grid connection, the SCF100-80-250 can be driven by an NM4 series diesel engine rated 39–121 HP at 2950 RPM — the NFPA 20 preferred configuration where a backup power source is required for the fire pump. Diesel packages include engine-driven cooling, starting batteries, and engine controller matched per NFPA 20.

Fire protection projects often require technical documents for consultant approval and installation. NMFIRE provides project-specific engineering support.

Standard Documents:

• Factory Test Report — including the pump performance curve
• Pump Drawings — outline and dimensional drawings

For skid-mounted or containerized packages, or any other document requirements, please contact us to discuss.

A horizontal split case fire pump has a casing split along the shaft centerline. Lifting the upper casing half exposes the impeller, wear rings, and shaft for inspection or parts replacement — without disconnecting the suction or discharge piping. The impeller is supported between two bearings, giving smooth, stable operation across a wide flow range. The NMFIRE SCF100-80-250 applies this design to the 300–500 GPM range with UL Listing and FM Approval per NFPA 20.

UL (Underwriters Laboratories) Listing and FM (FM Approvals) certification are two independent third-party certifications verifying that a fire pump meets the applicable standards (such as UL 448 and FM 1311). Both are widely accepted by fire protection consultants, insurers, and authorities having jurisdiction in export markets. Many projects specify either one; some require both. The SCF100-80-250 carries both UL Listing and FM Approval, giving maximum flexibility for consultant approval and insurance acceptance on international projects.

The SCF100-80-250 covers rated flows of 300, 400, 450, and 500 GPM, with pressure ratings from 78 to 218 PSI (head 55–153 m). At the 400 GPM duty point, 50Hz operation (2980 RPM) delivers 83–149 PSI while 60Hz operation (3550 RPM) reaches up to 215 PSI. Driver options span ODP/TEFC electric motors from 40 to 100 HP and NM4 series diesel engines from 39 to 121 HP. The full selection table and performance curves for each flow/pressure/speed combination are available on request.

Match the pump to your site power supply. Most of Africa (including Kenya, Nigeria, and Ghana), the Middle East, Asia, and Europe use 50Hz grids, where the SCF100-80-250 runs at 2980 RPM. The Americas and a few other territories use 60Hz, where the pump runs at 3550 RPM. The same UL/FM certified pump model serves both — only the rated speed, pressure envelope, and driver selection differ. If your site has unreliable or no mains power, a diesel engine drive (rated at 2950 RPM) provides an independent backup per NFPA 20.

Sizing starts from the hydraulic calculations of the sprinkler or standpipe system: the required flow (GPM) at the most demanding point plus hose stream allowance, and the pressure needed to overcome elevation, friction losses, and required residual pressure, minus available municipal supply pressure. The selected pump must then meet the NFPA 20 performance criteria: at 150% of rated flow, discharge pressure must be ≥65% of rated pressure; at shut-off, pressure must not exceed 140% of rated. NMFIRE engineering can verify your duty point against the SCF100-80-250 selection table and issue a project-specific performance curve for consultant approval.

Horizontal split case pumps are the most common fire pump type: easy to service in place, and suitable for medium to high flow duties (the SCF100-80-250 covers 300–500 GPM with pressure up to 218 PSI). End suction pumps offer a simple, economical layout for lower duties. Vertical inline pumps have the most compact footprint for space-limited plant rooms and retrofits. All three types are available from NMFIRE with UL Listed and FM Approved certification per NFPA 20. Selection depends on project flow, available space, and maintenance strategy.

Yes. The same UL/FM certified pump is available with ODP or TEFC electric motor drive (40–100 HP, 50Hz or 60Hz) or with NM4 series diesel engine drive (39–121 HP at 2950 RPM). Diesel drive is the NFPA 20 preferred choice where a backup power source is required — common on sites with unreliable grids. Engine power is verified per site altitude and ambient temperature per NFPA 20 derating rules, and the diesel package includes engine controller, batteries, and cooling matched to the duty point.

Yes. The SCF100-80-250 is one of the higher-pressure models in the compact 4-inch suction SCF range, reaching 218 PSI at 60Hz (3550 RPM). At 50Hz it delivers up to 149 PSI at 400 GPM — sufficient for mid-rise standpipe systems. For sustained duties at the top of the pressure envelope, NMFIRE engineering confirms the impeller, casing, and driver selection against the certified performance curve and issues the project-specific factory test report for consultant approval.

Most African countries have no domestic fire pump manufacturing standard; NFPA 20 is the reference standard most commonly adopted by fire consultants, insurers, and regulators across Kenya, Nigeria, Ghana, Tanzania, South Africa, and the wider region. UL Listing and FM Approval are the recognized third-party certifications for imported fire pumps. African grids are 50Hz, so the SCF100-80-250 2980 RPM (50Hz) configuration is the standard selection for these markets. NMFIRE supplies NFPA 20-compliant, UL/FM certified fire pumps and project documentation suited to consultant approval processes in these regions.

A 400 GPM fire pump is a typical duty for ordinary and light hazard occupancies requiring more capacity than the base 300 GPM rating: hotels and resorts (a frequent requirement in Kenya and across Africa), mid-rise commercial and residential buildings, hospitals, schools, and light manufacturing plants. With pressure capability up to 218 PSI, the SCF100-80-250 also covers standpipe systems in taller buildings. For higher flow duties (750 GPM and above), NMFIRE offers larger SCF series split case models.

The SCF100-80-250 pump unit itself comprises the horizontal split case pump and its electric motor or diesel engine. For projects requiring a complete fire pump system, NMFIRE can configure packages that add a UL/FM listed fire pump controller, a jockey pump for pressure maintenance, and a pressure relief valve where required. Delivery options include conventional plant room installation, a skid-mounted fire pump system with pre-piped pump and jockey pump on a common base, and a fully containerized fire pump station pre-assembled for plug-and-play site connection. Package scope is configured per NFPA 20 and project requirements.

Yes. NMFIRE fire pump packages are designed according to NFPA 20 requirements. The SCF100-80-250 horizontal split case model is UL Listed and FM Approved. Each pump is factory performance tested per NFPA 20 including shut-off pressure verification (max 140% of rated), rated flow testing, and 150% rated flow verification at no less than 65% of rated pressure.

Yes. Factory test reports including pump performance curves, together with pump outline and dimensional drawings, are provided as standard technical documents. For skid-mounted or containerized packages, or any other document requirements, please contact us to discuss. Third-party witness testing at our fire pump test facility can also be arranged per project requirements.