Efficient Consumption and Easy Maintenance:
At Shanghai Semhai Pump Co., Ltd., SEMHAI Engines provide an impressive array of diesel engines tailored for stationary applications, including centrifugal and hydraulic pumps, air compressors, and air generators. Our engines shine in diverse power ranges, featuring ION power from 415 kW to 920 kW and ICXN power from 377 kW to 836 kW, all complying with ISO 3046-1 standards. These engines are meticulously approved for driving centrifugal pumps at varying speeds. They excel in fuel efficiency, promising reliable performance through extended overhaul intervals and a prolonged service life. The enhanced power density of SEMHAI diesel engines makes them not just efficient but remarkably flexible energy providers.
Performance Features
1. Trio of Exceptional Starting Functions:
(1). Manual Start Function: Seamlessly achieve manual-start via a manual-automatic interlock, ensuring effortless operation through a switch.
(2). Automatic-Manual Functions: Enjoy the convenience of three starting attempts. If unsuccessful, a 'starter failure alarm' sounds and exits the starting state. Transition to rated load occurs in 5-10-15 seconds post the initial successful start, depending on unit capacity.
(3). Emergency Manual Direct Start: Experience the reassurance of manual direct start in emergencies, effectively bypassing any self-controlled device issues.
2. Automatic Operation: Upon receiving a valid signal, the diesel fire pump springs to action automatically, safeguarding against interruptions in the power supply system. Once normalcy resumes, it transitions seamlessly to the electric pump.
3. Automatic Shutdown: Enjoy the peace of mind that comes with an automatic delay and shutdown of the diesel fire-fighting pump when the fire signal dissipates.
4. Battery Self-Charge Function: The robust battery ensures a seamless start by automatically charging through the diesel engine's electrical mains power.
5. Comprehensive Indicating System: Stay informed with indicators for readiness to start, manual and automatic starts, operational status, shutdown, battery health, speed, lubrication oil pressure, cooling system temperature, battery voltage, fuel levels, and more.
6. Advanced Alarm and Protection Systems: Benefit from alarms and protections against starter failure, overspeed, low oil pressure, high cooling water temperature, battery voltage irregularities, and more, offering unparalleled safety and reliability.
7. Detailed Display Systems: Monitor crucial metrics like engine oil pressure, speed, battery charge current, and voltage effortlessly with our perfect display systems.
8. Direct-Coupling Excellence: The diesel engine and water pump are expertly linked by a high-flexible coupling on a common channel base, providing a compact, high-performance, low-vibration, and easy-to-install solution.
9. High-Pressure, Large-Flow Capacity: Select from IS, SOW, or SHD series pumps to satisfy varying fire scenario demands, ensuring optimal performance at all times.
10. Adjustable Flow and Working Pressure: Our diesel pumps, equipped with mechanical or electronic speed governors, allow adjustments to match engine speed with pump flow and head for consistent efficiency.
11. Pre-Heating Device for Water Temperature: Our unit includes an AC220V cooling water preheating device, guaranteeing optimal operation even in environments below 5 ºC.
12. Dual Battery Circuit: In the event of a battery failure, an alternate battery automatically engages, ensuring uninterrupted operation.
13. Maintenance-Free Battery: Experience hassle-free usage with our batteries that require no frequent fluid top-ups.
14. Automatic Timing Inspection Test: In the world of fire safety, promptness and reliability are key. Our system, typically in standby mode, takes the initiative to carry out routine device tests for standby conditions, ensuring everything is in perfect working order. Plus, it provides timely warnings to ensure you're always a step ahead.
Note: The aforementioned features are fully customizable to align with your unique requirements. Whether you desire specific functionalities or a tailored design, we are here to cater to your individual needs.
Selection Configuration of Diesel Engine
1. The Pump: Explore our versatile range with the IS series single-stage single-suction pump, SOW series single-stage double-suction pump, SHD series multistage segment pump, and the ZW horizontal self-priming centrifugal pump, each designed for exceptional performance and efficiency.
2. The Diesel Engine:
Harness the power of globally renowned diesel engine brands, available in configurations from single-cylinder to six-cylinder. Experience a range of speeds including 1500r/min, 1800r/min, 2400r/min, and 3000r/min, tailored to meet the demands of your operation.
3. Other Accessories: Complete your setup with our comprehensive range of accessories, including filtration systems, silencer systems, cooling systems, fuel tanks, and more. Each component is meticulously designed to complement and enhance your system's functionality.
4. The Control Cabinet: Equip your operation with advanced control solutions featuring SBC, PLC programming, sensors, and an automatic control cabinet, ensuring seamless and efficient management of your systems.
| 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 |
Discover the excellence of international renowned diesel engines featuring an array of configurations such as single-cylinder to six-cylinder, all designed to perform across a versatile speed spectrum: 1500r/min, 1800r/min, 2400r/min, and 3000r/min.
Introducing SEMHAI’s robust professional coupling adaptors, the ultimate in connectivity for diesel engines and pumps. With their precision engineering, these adaptors ensure seamless power transfer through the drive shaft.
Our coupling adaptors enable a straightforward plug-in installation with standard couplings, eliminating the need for alignment tools. Constructed from polyamide nylon reinforced with fiberglass, they offer torsional rigidity and are completely maintenance-free. Perfect for any hydrostatic drive applications in construction machines, harvesters, and forestry machinery.
Unveiling the Diesel Plus Fire Pump Controllers from SEMHAI, engineered to expertly control and monitor 12 or 24-volt diesel fire pump engines. These controllers stand out as some of the most technically advanced solutions available in the diesel engine control market.
Features
Versatile Universal Supply Voltage from 100Vac to 240Vac, accommodating a wide range of electrical systems.
Selectable Dual Output of 12 or 24 Vdc - easily configured via a DIP Switch for tailored power solutions.
Integrated Communications USB Port / Drive for seamless interfacing.
Effortlessly transfer data to and from portable USB devices, ensuring you stay connected on the go.
Intuitive Embedded Web Pages* for effortless access to critical information.
Easily view current status, data values, programmed set points, and historical data at your fingertips.
Direct Ethernet* connection for smooth data transfer and computer interfacing.
RS485 Port* available for enhanced communication capabilities.
MODBUS Communication * Note: COM Option must be ordered separately to access this function, enhancing connectivity.
Introducing the New Big Volume Dual Wall Diesel Subbase Generator Fuel Tank, setting a benchmark in fuel storage efficiency and safety.
Our robust engine mounts are specifically designed to isolate vibrations, effectively reducing noise in marine and industrial settings. Crafted with premium industrial-grade materials, they are built to last, extending the lifespan of your equipment.
Our professional gearboxes are engineered for precision direct mounting on diesel engines. These advanced gearboxes facilitate speed adjustments, whether accelerating or reducing, across a multitude of applications. On the input side, options include an SAE housing with a fixed coupling (Rubber Block Drive) or a switchable BD or BDS clutch for versatile performance.
Industry - Our Durable High Pressure Pump, powered by a Diesel Engine, is a vital component for Boiler feed water systems and cooling systems, ensuring efficient operation and reliability in industrial applications.
Smelting - Enhance your Water circulation system and cooling capabilities with our robust pump, specifically designed to meet the demanding requirements of the smelting industry.
Fire-fighting - Experience superior protection with our pump in Fire hydrant systems, sprinkler systems, spray cooling systems, foam systems, and water monitor systems, offering unmatched performance in critical fire-fighting applications.
Ocean - Designed for the harshest environments, our pump excels in Wild water supply systems and the island freshwater collection systems, providing reliable water management in oceanic settings.
Heating - Optimize your Water circulation and cooling systems with our high-performance pump, delivering consistent and efficient heating solutions.
Municipal - In times of need, our pump is a dependable choice for Emergency drainage and emergency water supply, supporting municipal operations with efficiency and reliability.
Agriculture - Revolutionize Irrigation and drainage systems with our pump’s cutting-edge technology, ensuring your agricultural operations run smoothly and efficiently.
Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. has proudly established a strong and enduring partnership with a prestigious selection of major domestic pump-testing institutions. These collaborations ensure that our products meet the highest standards of excellence and reliability.
Among our esteemed partners is the National Quality Supervision and Inspection Center of Industrial Pumps, located in Tiexi District, Shenyang City. This partnership guarantees that our high-pressure pumps are of superior quality and performance.
Another key collaborator is the Irrigation Machinery Products Quality Inspection Center of Machinery Industrial in Zhenjiang City, ensuring that our products meet the stringent demands of the irrigation industry.
The Ministry of Agriculture, Water Pump Quality Supervision and Testing Center in Chongqing City also plays an integral role in verifying the robustness and efficiency of our pump designs.
Additionally, the Shanghai Mechanical and Electrical Products Quality Inspection Center in Shanghai City contributes to our commitment to delivering top-notch products, validating the effectiveness and durability of our offerings.
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