Efficient Consumption and Seamless Maintenance: Our state-of-the-art design ensures minimal energy use while making maintenance incredibly straightforward and hassle-free.
SEMHAI Engines proudly presents a diverse range of diesel engines perfect for stationary applications including but not limited to centrifugal pumps, hydraulic pumps, air compressors, and air generators. These engines are available in various power ranges, offering ION power from 415 kW to 920 kW and ICXN power from 377 kW to 836 kW, all aligned with ISO 3046-1 standards. Our engines are expertly approved for variable speed in centrifugal pump operations, boasting power consumption that matches the specific propeller curve. Renowned for their dependability and fuel efficiency, SEMHAI diesel engines promise long-lasting performance with extended service intervals. This optimized power density transforms our diesel engines into highly efficient and adaptable energy solutions.
Performance Features: Explore the unparalleled performance features that set our products apart, ensuring top-tier functionality and reliability.
1. Three Types of Perfect Starting Functions: Each starting method is crafted to provide the utmost reliability and user control.
(1). Manual Start Function: Enjoy the safety of manual-automatic interlock start through an intuitive switch for seamless operation.
(2). Automatic-Manual Functions: Benefit from three start attempts, with a "starter failure alarm" triggering if unsuccessful, followed by an automatic exit. Transition to rated load is swift, with times adjustable to 5-10-15 seconds based on unit capacity upon first successful start.
(3). Emergency Manual Direct Start: In case of self-control device failure, this function allows for immediate manual start under emergency conditions.
2. Automatic Operation: In response to a valid signal, the diesel fire pump automatically engages, ensuring continued operation even if the electric pump system fails due to power supply issues. The system smartly switches back to electric pumps once power is stabilized.
3. Automatic Shutdown: Experience peace of mind with automatic shutdown of the diesel fire-fighting pump once the fire signal ceases, ensuring safety and energy efficiency.
4. Battery Self-Charge Function: The unit's battery is autonomously recharged via the diesel engine's electrical mains, guaranteeing a dependable start every time.
5. Comprehensive Indicating System: Stay informed with indicators for ready-to-start status, manual and automatic operation, unit operation and shutdown, battery status, and more, ensuring seamless monitoring and maintenance.
6. Robust Alarm and Protection System: Our system provides critical alerts and protection against issues such as failed starts, overspeed, low pressure, high temperatures, charging failures, and more, safeguarding your equipment's operational integrity.
7. Advanced Display Systems: Real-time monitoring of engine oil pressure, engine speed, battery charge current, and voltage ensures complete control and transparency.
8. Direct-Coupling Excellence: Our diesel engine and water pump are connected via a high-flexible coupling on a common channel base, providing a compact structure that ensures superior performance, minimal vibration, and easy on-site installation.
9. High Pressure and Large Flow Capacity: Choose from IS series single-stage single-suction, SOW series single-stage double-suction, and SHD series segmental multistage pumps to perfectly address various fire-fighting needs.
10. Adjustable Flow and Working Pressure: Our diesel pumps are equipped with mechanical or electronic speed governors, enabling precise adjustments to engine speed, ensuring alignment with actual flow and pressure requirements.
11. Water Temperature Pre-heating Device: Equipped with an AC220V cooling water pre-heating device, our units guarantee optimal performance even in environments below 5 ºC.
12. Dual Battery Circuit: In the event of a battery failure, a secondary battery automatically takes over, ensuring uninterrupted operation.
13. Maintenance-Free Battery: Enjoy the convenience of a battery that requires no frequent fluid top-ups, reducing maintenance efforts and enhancing reliability.
14. Automatic Timing Inspection Test: The fire system is typically kept in a standby mode, ensuring utmost readiness at all times. This feature allows the unit to autonomously perform comprehensive device testing for the standby condition. In addition, it provides timely warnings to ensure any irregularities are immediately addressed, guaranteeing the safety and reliability of your system.
Note: The aforementioned functions are meticulously designed to cater to user preferences. We offer the flexibility to select features that best suit your needs. Additionally, we provide customized design solutions to meet specific requirements, ensuring ultimate satisfaction and product performance.
Selection Configuration of Diesel Engine
1. The Pump: Choose from our high-performance options including IS series single-stage single-suction pump, SOW series single-stage double-suction pump, SHD series multistage segment pump, and ZW horizontal self-priming centrifugal pump. Each design is engineered for optimal efficiency, ensuring robust and reliable operation.
2. The Diesel Engine:
Our range boasts international acclaimed brands of diesel engines, featuring configurations such as single-cylinder, two-cylinder, four-cylinder, and six-cylinder models. Experience varied speed ranges of 1500r/min, 1800r/min, 2400r/min, and 3000r/min, offering versatility and superior performance tailored to meet diverse operational needs.
3. Other Accessories: Enhance the functionality with our comprehensive selection of accessories including a filtration system, silencer system, and cooling system. Also available are fuel tank options, common channel base, base fuel tank, radiator, along with battery and charger units, all designed to ensure seamless integration and operation.
4. The Control Cabinet: Featuring advanced SBC, intuitive PLC programming, and a range of sensors, our automatic control cabinet offers ultimate precision and ease. It’s engineered to deliver unparalleled control and monitoring capabilities, elevating operational efficiency and reliability.
| 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 |
Internationally renowned, our diesel engines offer an impressive range of configurations: single-cylinder, twin-cylinder, four-cylinder, and six-cylinder options. With versatile speed capabilities of 1500r/min, 1800r/min, 2400r/min, and 3000r/min, they ensure exceptional performance and adaptability for your specific needs.
Unleash the power of SEMHAI's robust coupling adaptors, expertly crafted to connect diesel engines seamlessly to drive pumps with ease and precision, ensuring maximum efficiency and reliability in operation.
Our advanced coupling adaptors effortlessly connect with standard couplings, facilitating a hassle-free plug-in installation without the need for alignment tools. Constructed from polyamide nylon reinforced with fiberglass, they are torsionally rigid and maintenance-free. Perfect for hydrostatic drives in construction machinery, harvesters, and forestry equipment, these adaptors are engineered for durability and performance.
The Diesel Plus Fire Pump Controllers from SEMHAI stand at the forefront of technology, meticulously engineered to control and monitor 12 or 24 volt diesel fire pump engines. These controllers represent the pinnacle of technical advancement in diesel engine management, offering reliability and precision control.
Features
Versatile Universal Supply Voltage ranging from 100Vac to 240Vac ensures optimal operation in diverse environments.
Dual Output capability with user-friendly DIP Switch Selectable options for 12 or 24 Vdc, catering to your specific power needs.
State-of-the-art Communications USB Port / Drive for seamless data interaction.
Effortlessly Transfer Data to or from portable USB devices, enhancing your data management efficiency.
Integrated Embedded Web Pages* for easy access and management of your system.
Gain real-time insight with the ability to View Current Status, Data Values, Programmed Set Points, and History with ease and precision.
Ethernet* Direct Connection for hassle-free Data Transfer with your computer, ensuring connectivity and convenience.
RS485 Port* for robust and reliable communication capabilities.
MODBUS Communication * COM Option must be ordered for this function, ensuring seamless integration and communication within your system.
Introducing our New Big Volume Dual Wall Diesel Subbase Generator Fuel Tank, engineered for maximum capacity and efficiency.
Our robust engine mounts are designed to isolate vibrations effectively, reducing noise in both mobile and stationary equipment. Crafted from premium industrial-grade materials, these mounts outlast cheaper alternatives, extending the lifespan of your valuable equipment and ensuring consistent performance.
Experience precision and power with our professional gearboxes, designed for direct mounting on diesel engines. These gearboxes provide efficient speed acceleration or reduction across various applications. The input side accommodates an SAE housing with a fixed coupling (Rubber Block Drive) or a switchable BD or BDS clutch, offering flexibility and adaptability to your specific requirements.
Industry - Our Heavy Duty Horizontal Pump is an ideal solution for the robust demands of boiler feed water systems and cooling systems, ensuring unmatched efficiency and reliability.
Smelting - Perfect for the rigorous environment of smelting, our pump excels in water circulation systems and cooling systems, providing a seamless and efficient operation.
Fire-fighting - Engineered for excellence, it supports fire hydrant systems, sprinkler systems, spray cooling systems, foam systems, and water monitor systems, ensuring comprehensive safety and reliability.
Ocean - Designed to withstand oceanic conditions, it efficiently manages wild water supply systems and the island freshwater collection systems, delivering dependable performance.
Heating - Our pump guarantees optimal operation in heating applications, expertly managing water circulation systems and cooling systems with unwavering performance.
Municipal - For municipal needs, our pump provides crucial support with emergency drainage and emergency water supply, offering reliability when it is needed the most.
Agriculture - In agriculture, our Heavy Duty Horizontal Pump excels in irrigation and drainage systems, ensuring water management is both effective and efficient for all types of farming activities.
Esteemed Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. has cultivated robust and enduring partnerships with several prominent domestic pump-testing institutions to ensure the utmost quality and performance of our products, including:
The esteemed National Quality Supervision and Inspection Center of Industrial Pumps, located in Tiexi District, Shengyang City,
The renowned Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, based in Zhenjiang City,
The 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, nestled in Shanghai City, among others.
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