Efficient consumption and easy maintenance:
SEMHAI Engines proudly presents its diverse array of diesel engines, meticulously crafted for stationary applications including centrifugal and hydraulic pumps, air compressors, and air generators. Our engines are offered in a comprehensive power range, featuring ION power from 415 kW to 920 kW, and ICXN power from 377 kW to 836 kW, all in strict accordance with ISO 3046-1. These engines are approved for driving centrifugal pumps at adjustable speeds, with power consumption carefully aligned with respective propeller curves. SEMHAI's robust diesel engines are renowned for their dependable, fuel-efficient performance, ensuring outstanding efficiency with prolonged overhaul intervals and extended service life. This optimized power density transforms our diesel engines into reliable, adaptable energy providers, catering to a wide range of industrial needs.
Performance features
1, With three impeccable starting functions:
(1). Manual start function: Enjoy seamless manual-automatic interlocked starts via a convenient switch;
(2). Automatic-manual functions: Experience the flexibility of three start attempts, with a 'starter failure alarm' if unsuccessful, automatically disengaging after three failed attempts. The transition to rated load occurs in 5-10-15 seconds, depending on unit size, after a successful initial start;
(3). Emergency manual direct start function: Easily execute an emergency manual direct start when self-controlled devices encounter operational difficulties.
2. Automatic operation: Upon receiving a valid fire signal, the diesel fire pump automatically springs into action if the pump cannot initiate due to power interruptions or failures. Once normal power supply resumes or electric pumps become operational, an automatic switch to the electric pump is performed seamlessly.
3. Automatic shutdown: The diesel fire-fighting pump intelligently delays and performs an automatic shutdown when the fire signal ceases.
4. The battery self-charge function: Reliably charges the battery using the diesel engine's electrical mains power, ensuring smooth unit start-up.
5. Perfect indicating system: Comprehensive indicators alert you to states such as ready-to-start, manual and automatic starts, unit operation and shutdown, battery charging, alerts for speeding, low oil pressures, high water temperatures, low battery voltage, fuel levels, and regular maintenance checks.
6. Perfect alarm or protection system: Equipped with alarms and safeguards for scenarios like failure to start thrice, overspeed, low lubricant oil pressure, high cooling water temperature, automatic charging device failures, low battery voltage, and more.
7. Perfect display systems: Showcases crucial metrics such as engine oil pressure, engine speed, battery charge current, and charging voltage, keeping you informed and in control.
8. Direct-coupled: The diesel engine and water pump are seamlessly integrated via a high-flexible coupling on a unified channel base, ensuring a compact design, exceptional performance, reduced failures and vibrations, and simplified on-site installation.
9. With high pressure and big flow capacity: Offers a choice of IS series single-stage single-suction pumps, SOW series single-stage double-suction pumps, and SHD series multistage pumps, tailored to meet diverse fire emergency scenarios.
10. Be adjustable of flow and working pressure: Diesel pumps, equipped with mechanical or electronic speed governors, allow speed adjustments to align pump flow and head with actual data requirements.
11. With pre-heating device of water temperature: Comes complete with an AC220V cooling water preheating device, ensuring optimal operation even in environments as low as 5 ºC.
12. Double battery circuit: Guarantees uninterrupted operation as a secondary battery automatically activates if the primary battery encounters failure.
13. Maintenance-free battery: Eliminates the hassle of frequent supplemental fluid additions, offering a hassle-free battery experience.
14. Automatic Timing Inspection Test: In fire systems, which often remain in standby mode, our unit excels by automatically executing device tests to ensure readiness and deliver timely alerts for any irregularities.
Note: The aforementioned features are customizable to suit user preferences. We offer bespoke design solutions tailored to meet specific requirements.
Selection Configuration of Diesel Engine
1. The Pump: Our selection includes the IS series single-stage single-suction pump, the SOW series single-stage double-suction pump, the SHD series multistage segment pump, and the ZW horizontal self-priming centrifugal pump.
2. The Diesel Engine:
We feature internationally acclaimed diesel engine brands, offering configurations from single-cylinder to six-cylinder options. Experience superior performance with speed ranges of 1500r/min, 1800r/min, 2400r/min, and 3000r/min.
3. Other Accessories: Enhance your system with our comprehensive range of accessories, including filtration systems, silencers, cooling systems, fuel tanks, common channel bases, base fuel tanks, radiators, batteries, and chargers.
4. The Control Cabinet: Our advanced control solutions include SBC, PLC programming, sensors, and fully automated control cabinets for seamless operation.
| 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 |
Our fire pump utilizes an internationally renowned brand of diesel engine, featuring a diverse range including single-cylinder, two-cylinder, four-cylinder, and six-cylinder diesel options. The engines offer versatile speed ranges of 1500r/min, 1800r/min, 2400r/min, and 3000r/min, ensuring optimized performance for various emergency scenarios.
The SEMHAI Robust professional coupling adaptors are meticulously crafted to seamlessly connect diesel engines to drive pumps via a shaft, ensuring reliable and efficient operation.
Install effortlessly without the need for aligning tools, thanks to our coupling adaptors' standard plug-in connection. Constructed from polyamide nylon reinforced with fibreglass, they boast torsional rigidity and require no maintenance. These adaptors are ideal for any hydrostatic drive in construction machines, harvesters, and forest machinery, providing durability and long-term service.
Experience the cutting-edge technology of SEMHAI with our Diesel Plus Fire Pump Controllers. Specifically engineered to manage and supervise 12 or 24 volt diesel fire pump engines, these controllers are among the most sophisticated and advanced diesel engine controllers in the market today.
Outstanding Features
Versatile Universal Supply Voltage ranging from 100Vac to 240Vac, catering to a wide array of operational environments.
Select easily between Dual Output 12 or 24 Vdc with a simple DIP Switch, offering flexibility to match your specific requirements.
Utilize the built-in USB Port for seamless Communications and easy data management.
Effortlessly Transfer Data to or from a portable USB Device, ensuring data is always at your fingertips.
Embedded Web Pages for an intuitive and interactive interface*
Access and View Current Status, Data Values, Programmed Set Points, and Historical Records with ease, optimizing management of your system.
Enjoy the convenience of Ethernet* for Direct Connection and efficient Data Transfer with a Computer, streamlining your operations.
Robust RS485 Port* for reliable communication.
Engage in seamless MODBUS Communication with the optional COM feature, which must be pre-ordered to utilize this advanced function.
Introducing our New Big Volume Dual Wall Diesel Subbase Generator Fuel Tank, designed for enhanced capacity and reliability.
Our engine mounts effectively isolate and dampen vibrations, meticulously designed for both marine and industrial applications. These mounts reduce noise in both mobile and stationary equipment. Crafted from premium, industrial-grade materials, they outlast cheaper alternatives, extending the lifespan of your valuable equipment.
Our Professional Gearboxes are expertly engineered for direct mounting on diesel engines. These gearboxes are versatile, used for speed adjustment in various applications. On the input side, they accommodate either an SAE housing with a fixed coupling (Rubber Block Drive) or a switchable BD or BDS clutch, ensuring adaptability and precision in performance.
Industry - Optimally designed for vital roles such as the boiler feed water system and cooling system, ensuring enhanced operational efficiency and reliability.
Smelting - Expertly crafted for integration into water circulation systems and cooling systems, providing robust support for high-temperature environments.
Fire-fighting - Strategically engineered for seamless operation in fire hydrant systems, sprinkler systems, spray cooling systems, foam systems, and water monitor systems, offering unmatched performance when it matters most.
Ocean - Ideally suited for wild water supply systems and the island freshwater collection systems, delivering dependable water access in challenging maritime conditions.
Heating - Perfectly tailored for water circulation systems and cooling systems, ensuring consistent and efficient thermal management.
Municipal - Exceptionally designed for emergency drainage and emergency water supply, providing reliable solutions in critical situations.
Agriculture - Precisely developed for irrigation and drainage systems, enhancing water management to support agricultural productivity.
Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. has cultivated enduring partnerships with a variety of esteemed domestic pump-testing institutions, ensuring unparalleled reliability and quality assurance.
Among these are the prestigious National Quality Supervision and Inspection Center of Industrial Pumps located in Tiexi District, Shengyang City, where rigorous standards meet cutting-edge innovation.
Additionally, the Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, situated in Zhenjiang City, stands as a testament to our commitment to excellence in technology and efficiency.
Furthermore, the Ministry of Agriculture, Water Pump Quality Supervision and Testing Center in Chongqing City exemplifies our dedication to agricultural advancement and superior performance.
Completing this formidable network of collaborators is the Shanghai Mechanical and Electrical Products Quality Inspection Center in Shanghai City, reinforcing our promise of unmatched product excellence and industry leadership.
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