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Enerzip® EZ-SC: Professional Diesel Horizontal Split Case Pumps diesel-driven split case pump package for high-flow municipal drainage, flood control, and industrial water transfer

Split Case Pumps

EZ-SC Series – Diesel Engine Horizontal Split Case Pumps.

The Enerzip® EZ-SC Series is a high-performance range of diesel-driven pumps designed for massive water transfer and high-pressure industrial applications. Covering 4 to 12 inches (DN100 – DN300), the series delivers flow rates up to 2350 m³/h and heads up to 174 m.

  • Fast-Track Maintenance: The horizontal split-case design allows internal inspection and seal replacement without disconnecting piping or moving the engine, drastically reducing downtime.
  • Superior Hydraulic Balance: Symmetrical dual-suction impellers neutralize axial forces, ensuring vibration-free operation and extended bearing life across a wide speed range (1450-2900 r/min).
  • Versatile Performance: From municipal drainage to high-head industrial cooling and remote water supply, the EZ-SC series offers a broad performance envelope for any mission-critical task.
  • Enerzip® Heavy-Duty Integration: Each unit is mounted on our registered Enerzip® heavy-duty sheet metal chassis, precision-engineered to withstand high-torque surges from powerful diesel engines.
  • Smart Power & Control: Driven by Cummins, Perkins, or Weichai engines and managed by DSE or SmartGen controllers for automated pressure sensing and total system protection.
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Description

Enerzip® EZ-SC: Professional Diesel Horizontal Split Case Pumps

1. Maintenance-First Design: The Split Case Advantage

The EZ-SC Series is the industry standard for high-capacity, heavy-duty water transfer. The defining feature of these Split Case Pumps is the horizontal housing that can be separated into two distinct chambers.

By simply removing the upper pump casing, technicians gain full access to the impeller, shaft, and wear rings. This “fast-track” maintenance occurs without disturbing the suction or discharge piping and without moving the diesel engine. This maintenance-first design philosophy, commonly adopted in high-capacity horizontal split case pump architectures defined under internationally recognized ISO pump standards, makes our Split Case Pumps the most cost-effective solution for facilities where minimizing downtime is the top operational priority for their Diesel Engine Water Pumps.

By simply removing the upper pump casing, technicians gain full access to the impeller, shaft, and wear rings. This “fast-track” maintenance occurs without disturbing the suction or discharge piping and without moving the diesel engine. This design makes our Split Case Pumps the most cost-effective solution for facilities where minimizing downtime is the top priority for their Diesel Engine Water Pumps.

2. Why the EZ-SC Series Excels in High-Capacity Transfer? 

  • Vibration-Free Hydraulic Balance: Utilizing a symmetrical dual-suction impeller, our Split Case Pumps draw water from both sides to neutralize axial thrust. This balance results in a much smoother operation, extending the life of the bearings and mechanical seals even at high speeds of 1450–2900 r/min.

  • Massive Flow Envelope: Covering DN100 to DN300, the EZ-SC series is optimized for massive displacement, moving up to 2350 m³/h. This makes them the premier choice for Municipal Drainage, Industrial Cooling, and Remote Water Supply.

  • Structural Torque Resilience: To handle the massive energy generated by high-power diesel engines, every set is mounted on an Enerzip® registered heavy-duty chassis. These frames are manufactured on our own production lines, specifically reinforced to absorb the mechanical stresses unique to large-diameter Split Case Pumps.

  • Versatile Application Reach: With head capacities up to 174 m, these Diesel Engine Water Pumps bridge the gap between low-pressure transfer and high-head industrial requirements.

3. Professional Engine Selection & Torque Calibration

At Enerzip®, engine selection for Split Case Pumps is treated as a system-level engineering task, not a simple horsepower match. We focus on torque availability, load stability, and operating efficiency across the full duty range, ensuring that each Diesel Engine Water Pump set delivers reliable performance under real-world flow fluctuations and long-duration operation.

  • The 20% Power Buffer Strategy: Moving massive water volumes requires significant sustained torque. We integrate heavy-duty engines from Cummins, Perkins, or Weichai, configuring each set with a 20% power reserve. This ensures your Diesel Engine Water Pumps can handle fluctuating flow demands without stalling.

  • Fuel-Efficient Optimization: Our engineering team synchronizes the engine’s RPM with the pump’s Best Efficiency Point (BEP). This ensures that your Split Case Pumps deliver the maximum cubic meters per liter of fuel consumed.

  • Global Tier-1 Support: By choosing world-class engine brands, we ensure that maintenance and genuine parts for your Diesel Engine Water Pumps are available in any international market.

4. Integrated System Protection & Reliability

  • Mission-Critical Ignition: We eliminate startup delays in our Split Case Pumps by using Delco Remy, Bosch, or Denso starters paired with Varta or Camel high-CCA batteries. Whether for emergency flood control or standby industrial cooling, the unit fires up instantly.

  • Smart Digital Monitoring: Using DSE, ComAp, DEIF, or SmartGen controllers, the EZ-SC series features automated pressure sensing and “Safe-Stop” protocols. The system provides real-time tracking of engine health to protect your investment in Diesel Engine Water Pumps.

  • Rugged Environmental Adaptation: Equipped with Sinrui high-flow radiators and Kailong exhaust systems, these Split Case Pumps are built for 24/7 operation. They are designed to maintain peak thermal performance in environments ranging from humid pump stations to dusty mine sites.

Pump ModelSize (Inch)Size (DN)Flow (m³/h)Head (m)Pump Power(kw)Speed Range(r/min)Recommended Diesel Engine Power (kW)
EZ-SC1004 inchDN10025–3268.9–1257.5–2001450–290010–250
EZ-SC1506 inchDN15096.3–6609.3–12115–250145020–315
EZ-SC2008 inchDN20023–96514–16737–450145050–560
EZ-SC25010 inchDN250350–145016–13175–315145095–400
EZ-SC30012 inchDN300390–23509–17437–1120145050–1400

Recommended diesel engine power is calculated based on maximum pump shaft power with an appropriate service factor (≥1.25). Actual engine selection depends on duty point, pump efficiency, operating conditions, ambient temperature, and altitude.

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Applications

Strategic Applications: Enerzip® EZ-SC Diesel Split Case Pumps in Global Operations

The Enerzip® EZ-SC Series is the definitive choice for projects where “uninterrupted” large-scale water transfer is a mission-critical requirement. Engineered with a focus on hydraulic balance and simplified maintenance, these Diesel Engine Horizontal Split Case Pumps serve as the primary power units for vital municipal and industrial water infrastructures worldwide.

1. Massive-Scale Municipal Drainage & Flood Mitigation

When responding to urban inundation, river levee breaches, or massive accumulations in low-lying areas, time is the ultimate factor.

  • The Scenario: Major urban tunnels, subway hubs, or arterial roads face submersion risks during extreme rainstorms. These situations require pumping capacities that far exceed standard utility pumps.

  • The EZ-SC Solution: With a massive flow rate of up to 2350 m³/h, a single EZ-SC unit can replace multiple smaller pumps, simplifying site logistics. Integrated with DSE or SmartGen automated controllers, the system enables water-level sensing and autonomous start/stop, allowing for long-duration, high-efficiency operation even in unmanned remote locations. For permanent flood pump stations and river intakes where maximum discharge capacity is the main KPI, a Double Suction Pumps solution is often the next engineering step for higher flow with stable hydraulic balance.

2. Cross-Regional & Long-Distance Water Transfer

In drought-prone regions or large-scale infrastructure projects, water must be transported from reservoirs or rivers to construction sites and farmlands located tens of kilometers away.

  • The Scenario: Long transmission lines involve significant frictional resistance and varying elevations, demanding pumps with both high-head capacity and extreme durability.

  • The EZ-SC Solution: Heads reaching up to 174 m allow the EZ-SC to overcome massive pipe resistance and geographic lift. The Dual-Suction Impeller design naturally neutralizes axial forces, ensuring vibration-free operation even after weeks of continuous running. This technical balance significantly extends the lifespan of bearings and mechanical seals.

3. Industrial Cooling Circuits & Continuous Process Supply

For refineries, steel mills, and chemical plants, cooling towers require a constant “river” of water to dissipate heat from high-value equipment.

  • The Scenario: Production lines operate 24/7; any failure in the cooling water supply can lead to emergency shutdowns, safety risks, and millions in lost revenue.

  • The EZ-SC Solution: Our “Fast-Track Maintenance” feature is a game-changer. Internal inspections or seal replacements can be performed by simply lifting the top casing—without disconnecting heavy piping or moving the diesel engine. This design slashes maintenance downtime from days to hours, ensuring the factory stays online.

4. High-Pressure Fire Protection Backup Systems

In high-risk environments like oil tank farms, timber mills, or massive logistics hubs, the fire protection system must be 100% independent of the electrical grid.

  • The Scenario: During a catastrophic fire where the main power grid is severed, diesel-driven pumps must provide immediate, high-pressure water curtains to contain the blaze.

  • The EZ-SC Solution: Engineered to meet industrial fire standards, the EZ-SC provides the high-pressure output required for massive hydrants and sprinkler systems. The Enerzip® heavy-duty chassis ensures structural stability during high-torque emergency starts, while premium Cummins or Perkins engines ensure a “first-turn” ignition when it matters most.

5. Modern Agricultural Irrigation & Water Extraction

For modern agricultural bases covering thousands of acres, a reliable system is needed to extract water from rivers and pressurize large-scale pivot or spray irrigation systems.

  • The Scenario: Pumping stations are often located in remote fields, exposed to high winds, dust, and extreme temperatures, with maintenance personnel far away.

  • The EZ-SC Solution: Our weatherproof enclosure design combined with high-performance Sinrui radiators allows the unit to withstand intense UV exposure and sandstorms. The wide performance envelope (1450–2900 r/min) allows users to adjust speeds to match seasonal irrigation needs, maximizing fuel efficiency and operational flexibility.

FAQ

Split case pumps feature a horizontally divided casing that provides full access to internal components without disturbing piping, making EZ-SC Diesel Engine Split Case Pumps especially suitable for mission-critical applications requiring fast maintenance and long-term operational reliability.
Symmetrical dual-suction impellers neutralize axial thrust, reducing bearing load and vibration, which allows split case pumps to operate smoothly across wide speed ranges and extended duty cycles.
With optimized impeller geometry and robust shaft support, split case pumps can deliver heads up to 174 m while maintaining mechanical stability, bridging the gap between low-pressure transfer and high-head industrial water supply.
Diesel engines are selected with a power buffer of approximately 20% above maximum shaft demand, ensuring sufficient torque for startup and flow variations while maintaining fuel efficiency at normal operating conditions.
Split case pumps reduce maintenance time from days to hours by allowing internal access without dismantling piping or engine alignment, which is a major advantage in municipal and industrial diesel engine water pump installations.
These pumps are commonly deployed in municipal drainage, flood control, industrial cooling, fire protection backup systems, and remote irrigation stations where uninterrupted water transfer is essential.

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