Efficient Consumption and Easy Maintenance: Experience unparalleled efficiency and hassle-free upkeep with our state-of-the-art pump solutions.
SEMHAI Engines offers an expansive array of diesel engines tailored for stationary applications, including centrifugal pumps, hydraulic pumps, air compressors, and air generators. Our diesel engines span various power ranges, such as the ION power series from 415 kW to 920 kW and the ICXN power series from 377 kW to 836 kW, all adhering meticulously to ISO 3046-1 standards. These engines are meticulously approved for driving centrifugal pumps at variable speeds, with power consumption efficiently aligned with the respective propeller curve. The hardy SEMHAI diesel engines, specifically crafted for pump drives, stand out for their reliability, fuel efficiency, and long-lasting performance. Thanks to prolonged overhaul intervals and a significant service lifespan, our diesel engines boast optimized power density, transforming them into both efficient and flexible energy resources.
Performance Features
1. Featuring Three Exemplary Starting Functions for Optimal Performance:
(1). Manual Start Function: Seamlessly achieve manual-start functionality with manual-automatic interlock via the switch.
(2). Automatic-Manual Functions: Allowance for three starting attempts, with a "starter failure alarm" triggered if starting is unsuccessful after three tries. Post successful initiation, the time to reach rated load ranges from 5-10-15 seconds, varying by unit capacity.
(3). Emergency Manual Direct Start Function: In case of self-controlled device failure, the emergency manual direct start function can be manually activated.
2. Automatic Operation: When the pump unit receives a valid fire signal, the diesel fire pump will automatically commence operation. Should the pump be unable to start normally due to power supply system issues, it will automatically switch back to the electric pump once power is restored or electric pumps can operate smoothly.
3. Automatic Shutdown: The diesel fire-fighting pump will automatically delay and shut down once the fire signal dissipates, ensuring safe operations.
4. Battery Self-Charge Function: The battery is automatically recharged using the diesel engine's electrical mains power, guaranteeing a smooth unit start-up.
5. Comprehensive Indicating System: The system provides indicators for readiness to start, manual start, automatic start, unit operation, unit shutdown, battery charging, overspeed, low oil pressure of lubrication oil, low oil pressure of turbocharger, low oil temperature of engine lubricating, high water temperature of the cooling system, low battery voltage, and low fuel level, ensuring complete operational transparency and regular inspections.
6. Robust Alarm or Protection System: This includes alarms or protections for failure start after three attempts, overspeed, low lubricant oil pressure, low oil pressure of turbocharger, high cooling water temperature, low lubricating oil temperature, automatic charging device failure, low battery voltage, high battery voltage, and low fuel level, ensuring safety and reliability.
7. Exceptional Display Systems: Real-time monitoring of engine oil pressure, engine speed, battery charge current, and battery charging voltage.
8. Direct-Coupled System: The diesel engine and water pump are seamlessly connected by a high-flexible coupling on a common channel base. This design ensures compact structure, superior overall performance, minimal failure and vibration, and convenient on-site construction installation.
9. High Pressure and Large Flow Capacity: Choose from our IS series single-stage single-suction, SOW series single-stage double-suction pump, or SHD series segmental multistage pumps to cater to diverse fire-fighting needs.
10. Adjustable Flow and Working Pressure: Diesel pumps equipped with mechanical or electronic speed governors allow for adjustments to the diesel engine speed, ensuring that pump flow and head align perfectly with actual data.
11. Pre-Heating Device for Water Temperature: The unit includes an AC220V cooling water preheating device, ensuring optimal operation in environments with temperatures below 5 ºC.
12. Dual Battery Circuit: Should one battery group fail, the alternate group automatically takes over, ensuring uninterrupted operation.
13. Maintenance-Free Battery: Enjoy the convenience of a maintenance-free battery, eliminating the need for frequent supplemental fluid additions.
14. Automatic Timing Inspection Test: In the realm of fire safety, systems are generally in a vigilant standby mode, ready to leap into action. Our unit excels by autonomously conducting device inspections to ensure impeccable standby conditions, offering timely alerts for any anomalies detected.
Note: The outlined features are fully customizable to cater to individual user requirements. We pride ourselves on delivering bespoke solutions, tailored meticulously to meet your precise specifications.
Selection Configuration of Diesel Engine
1. The Pump: Discover the versatility of our range, featuring the IS series single-stage single-suction pump, the robust SOW series single-stage double-suction pump, the SHD series multistage segment pump for complex applications, and the efficient ZW horizontal self-priming centrifugal pump.
2. The Diesel Engine:
Harness the power of internationally acclaimed diesel engines, available in configurations of single-cylinder, two-cylinder, four-cylinder, and six-cylinder options. Experience diverse speed ranges of 1500r/min, 1800r/min, 2400r/min, and 3000r/min, ensuring peak performance in every scenario.
3. Other Accessories: Enhance your system with an elite filtration system, advanced silencer system, efficient cooling system, and a durable fuel tank. Also included are a common channel base, base fuel tank, radiator, battery, and charger, ensuring seamless operation and reliability.
4. The Control Cabinet: Featuring cutting-edge technology with SBC, PLC programming, sensors, and an automatic control cabinet, offering unmatched levels of automation and control precision.
| Engine Speed |
1500r/min; 1800r/min; 2400/min; 2800/min; |
| Engine power |
24HP-2220HP |
| Pump diameter |
50-500mm |
| Flow range |
10-2000L/s |
| Working pressure range |
0.2-2.2Mpa |
| Temperature range |
Ambient temperature ≤60'C; |
| Ambient atmospheric pressure |
> 90KPa |
| Transmission medium |
Water or other liquids physical and chemical properties similar to water; |
| Seal plumbing parts |
No installment when inlet pressure above 0.03Mpa (G) |
| Engine power selection |
Under non-normal conditions, diesel input power will be less than the rated power, it need to choice higher power diesel engine to support pump to ensure the normal operation |
Engineered Excellence: Embrace the power of our internationally acclaimed diesel engines, available in versatile configurations including single, two, four, and six-cylinder models. Experience unparalleled performance with speed ranges of 1500r/min, 1800r/min, 2400r/min, and an impressive 3000r/min.
SEMHAI Precision Connection: Our robust professional coupling adaptors ensure seamless integration between diesel engines and drive pumps. Crafted with precision to deliver unmatched reliability and efficiency.
Effortless Installation: Enjoy hassle-free installation with our coupling adaptors featuring a standard plug-in design, eliminating the need for alignment tools. Constructed from polyamide nylon reinforced with fibreglass, they offer torsional rigidity and maintenance-free operation. Ideal for any hydrostatic drive, including construction machines, harvesters, and forestry equipment.
Advanced Control Solutions: SEMHAI presents the Diesel Plus Fire Pump Controllers, expertly engineered to command and oversee 12 or 24 volt diesel fire pump engines. These controllers are at the forefront of technological advancement, offering state-of-the-art control and monitoring capabilities.
Essential Features: Our fire pump systems come equipped with a range of innovative features designed to enhance functionality and ensure dependable operation.
Versatile Voltage Adaptability: Offering a universal supply voltage range from 100Vac to 240Vac, ensuring compatibility with diverse power sources.
Customizable Outputs: Benefit from dual output options of 12 or 24 Vdc, which are easily selectable via a convenient DIP switch mechanism.
Seamless Communication: Equipped with a user-friendly USB port/drive, facilitating effortless data exchange and connectivity.
Efficient Data Management: Transfer critical data swiftly and securely to or from any portable USB device, streamlining your data handling processes.
Interactive Web Interface: Access embedded web pages for real-time status monitoring, data analysis, programmed set points, and historical insights.
Comprehensive Monitoring: Instantly view current status, data values, and historical records with ease, providing a holistic overview of system performance.
Direct Network Connectivity: Utilize Ethernet for seamless direct connection and data transfer with a computer, ensuring efficient network integration.
Enhanced Communication Port: Features an RS485 Port for robust data communication, expanding your system's connectivity options.
MODBUS Integration: Incorporate MODBUS communication through our optional COM function, enhancing data interaction and control capabilities.
Innovative Fuel Storage: Introducing our new big volume dual wall diesel subbase generator fuel tank, engineered to meet demanding storage needs with superior reliability.
Vibration Isolation Excellence: Our premium engine mounts, crafted from top-tier industrial materials, effectively isolate vibrations, reducing noise in both mobile and stationary equipment and extending equipment lifespan.
Precision Gearbox Design: Our professional gearboxes are tailored for seamless direct mounting on diesel engines, offering versatile speed adjustments for diverse applications. Options include an SAE housing with fixed coupling or a switchable BD or BDS clutch for precision control.
Industry - Our powerful diesel engine fire pump is an essential component for boiler feed water systems and cooling systems, ensuring optimal performance and efficiency in industrial settings.
Smelting - Experience seamless operation in water circulation and cooling systems, tailored to meet the demanding needs of the smelting industry.
Fire-fighting - Designed for excellence in fire safety, our pump supports fire hydrant systems, sprinkler systems, spray cooling, foam systems, and water monitor systems, providing robust and reliable performance.
Ocean - Perfect for oceanic applications, this pump is ideal for wild water supply systems and island freshwater collection, delivering reliability in the most challenging marine environments.
Heating - Enhance your heating solutions with our pump, perfect for water circulation systems and cooling applications, ensuring efficiency and warmth.
Municipal - Be ready for emergencies with our pump, designed for swift emergency drainage and water supply in municipal applications, ensuring safety and preparedness.
Agriculture - Maximize agricultural productivity with our pump, essential for efficient irrigation and drainage systems, promoting growth and sustainability.
Esteemed Professional Cooperation Agencies
Our company prides itself on fostering enduring partnerships with several prestigious and large-scale domestic pump-testing institutions, ensuring the highest standards in pump performance evaluation, including:
The renowned National Quality Supervision and Inspection Center of Industrial Pumps located in Tiexi District, Shenyang City,
Zhenjiang City's eminent Irrigation Machinery Products Quality Inspection Center of Machinery Industrial,
The highly respected Ministry of Agriculture, Water Pump Quality Supervision and Testing Center situated in Chongqing City,
And the distinguished Shanghai Mechanical and Electrical Products Quality Inspection Center based in the vibrant city of Shanghai, among other esteemed institutions.
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