Efficient consumption and easy maintenance:
SEMHAI Engines proudly offers an extensive range of robust diesel engines specifically designed for stationary applications. These include centrifugal pumps, hydraulic pumps, air compressors, and air generators, ensuring versatility and reliability. Available in diverse power ranges such as ION power from 415 kW to 920 kW and ICXN power from 377 kW to 836 kW, our engines meet the stringent standards of ISO 3046-1. They are meticulously approved for driving centrifugal pumps with variable speed, offering power consumption efficiency that aligns perfectly with the respective propeller curve. Known for their fuel efficiency and long service life, these SEMHAI diesel engines boast reliable operations, turning them into flexible and efficient energy solutions. Experience the optimized power density that makes our diesel engines an indispensable part of any operation.
Performance features
1. Equipped with 3 superior starting functions:
(1). Manual start function: Seamlessly achieve manual-start through an interlock switch that combines manual and automatic operations.
(2). Automatic-manual functions: Provides 3 start attempts, issuing a 'starter failure alarm' and automatically exiting the start state if unsuccessful after 3 tries. The time to reach rated load is a swift 5-10-15 seconds, depending on unit capacity, after the first successful start.
(3). Emergency manual direct start function: In the event of self-controlled device failure, the emergency manual direct start function ensures continuous operation.
2. Automatic operation: Upon receiving a valid fire signal, the diesel fire pump initiates automatically if the electric pump's power supply is interrupted or fails. Once the power system stabilizes or electric pumps are operational, it seamlessly transitions back to electric pump operation.
3. Automatic shutdown: The diesel fire-fighting pump intelligently delays and shuts down once the fire signal ceases, ensuring resource optimization and safety.
4. Battery self-charge function: To guarantee a smooth unit start, the battery is automatically charged using the diesel engine's mains power.
5. Comprehensive indicating system: Incorporating alerts for ready-to-start, manual start, automatic start, unit operation, shutdown, battery charging, speeding, lubrication oil pressure, turbocharger oil pressure, engine oil temperature, cooling system temperature, battery voltage, and fuel levels, this system ensures complete oversight and operational readiness.
6. Advanced alarm and protection system: Alerts for 3 failed start attempts, overspeed, lubrication oil pressure, turbocharger oil pressure, cooling water temperature, lubricating oil temperature, charging device issues, battery voltage, and fuel levels, providing unparalleled safety and reliability.
7. Enhanced display systems: Features real-time displays for engine oil pressure, engine speed, battery charge current, and voltage, offering crucial insights for optimal performance.
8. Direct-coupled design: The diesel engine and water pump boast a high-flexible coupling on a common channel base, ensuring a compact structure, exceptional performance, reduced failures, minimal vibration, and ease of installation on-site.
9. High-pressure and large flow capacity: Choose from IS series single-stage single-suction, SOW series single-stage double-suction, or SHD series segmental multistage pumps to accommodate various fire-fighting scenarios with unmatched efficiency.
10. Adjustable flow and working pressure: Featuring mechanical or electronic speed governors, our diesel pumps allow for precision adjustments to flow and head to match actual data requirements seamlessly.
11. Water temperature pre-heating device: Equipped with an AC220V cooling water preheating system, our pumps operate flawlessly even in temperatures below 5ºC, ensuring reliability in all climates.
12. Dual battery circuit: In the event of a battery failure, the system automatically switches to another battery, ensuring uninterrupted operations.
13. Maintenance-free battery: Designed for convenience, our batteries require no frequent addition of supplemental fluid, allowing for worry-free usage.
14. Automatic Timing Inspection Test: In the realm of fire safety, precision and reliability are crucial. Our fire system typically remains in standby mode, effortlessly executing device testing to ensure optimal standby conditions. It promptly delivers timely warnings, safeguarding your environment with unparalleled efficiency.
Note: The aforementioned functionalities are customizable to cater to the diverse needs of our users. We pride ourselves on offering tailored designs to meet your specific requirements, ensuring each solution is meticulously crafted to suit your precise demands.
Selection Configuration of Diesel Engine: Tailor your choice from an exceptional range of diesel engine configurations, each designed to boost performance and efficiency in diverse applications.
1. The Pump: Choose from our exquisite selection of pumps, including the IS series single-stage single-suction pump, the robust SOW series single-stage double-suction pump, the high-performance SHD series multistage segment pump, and the versatile ZW horizontal self-priming centrifugal pump.
2. The Diesel Engine: Enhance your setup with our superior diesel engine options, designed to meet rigorous standards and deliver outstanding results.
Internationally renowned diesel engines, featuring single-cylinder, two-cylinder, four-cylinder, and six-cylinder diesel types, offer unmatched versatility. With speed ranges of 1500r/min, 1800r/min, 2400r/min, and an impressive 3000r/min, they provide exceptional adaptability to meet your needs.
3. Other Accessories: Complement your system with an array of specialized accessories, including advanced filtration systems, efficient silencer systems, robust cooling systems, expansive fuel tanks, versatile common channel bases, innovative base fuel tanks, high-performance radiators, dependable batteries, and reliable chargers.
4. The Control Cabinet: Our control cabinet is a marvel of engineering, featuring state-of-the-art SBC, sophisticated PLC programming, precise sensors, and an automatic control cabinet, engineered to elevate your system's functionality and reliability to unprecedented heights.
| 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 |
Introducing our range of internationally acclaimed diesel engines! Choose from single-cylinder, two-cylinder, four-cylinder, or six-cylinder diesel engines, offering an impressive speed spectrum of 1500r/min, 1800r/min, 2400r/min, and 3000r/min, to meet your diverse needs.
SEMHAI's durable and expertly crafted professional coupling adaptors are engineered to seamlessly integrate diesel engines with pump drives, ensuring a secure connection via a robust shaft.
Experience hassle-free installation with our coupling adaptors that connect effortlessly to a standard coupling without the need for aligning tools. Constructed from polyamide nylon reinforced with fiberglass, they are torsionally rigid and require no maintenance. Perfectly suited for hydrostatic drives in construction machinery, harvesters, and forestry equipment.
Discover cutting-edge technology with SEMHAI's Diesel Plus Fire Pump Controllers, designed to expertly control and monitor 12 or 24 volt diesel fire pump engines. These controllers set the standard as some of the most advanced in the industry.
Features
Universal Supply Voltage: Adaptable from 100Vac to 240Vac, ensuring flexibility and compatibility.
Dual Output of 12 or 24 Vdc, easily selectable using a convenient DIP Switch.
Equipped with a versatile Communications USB Port/Drive for seamless data management.
Effortlessly transfer data to and from portable USB devices with ease and precision.
Embedded Web Pages*
Gain instant access to current status, data values, programmed set points, and historical data for comprehensive monitoring.
Ethernet* Direct Connection / Data Transfer with a Computer
RS485 Port*
Engage in robust MODBUS Communication * Note: COM Option must be ordered to enable this advanced functionality.
Introducing the New Big Volume Dual Wall Diesel Subbase Generator Fuel Tank, designed for efficiency and reliability.
Our robust engine mounts are engineered to isolate vibrations effectively, minimizing noise in both marine and industrial applications. Crafted from superior industrial-grade materials, these mounts outlast cheaper alternatives, ensuring prolonged equipment life.
Our expertly engineered professional gearboxes are built for direct mounting on diesel engines. Versatile in application, these gearboxes can accelerate or reduce speed efficiently. On the input side, we offer an SAE housing with a fixed coupling (Rubber Block Drive) or an adaptable switchable BD or BDS clutch.
Industry - Perfectly engineered for boiler feed water systems and cooling systems, ensuring seamless operations and optimal performance.
Smelting - Expertly crafted for reliable water circulation systems and efficient cooling mechanisms, meeting the rigorous demands of smelting operations.
Fire-fighting - Comprehensive solutions for fire hydrant systems, sprinkler systems, spray cooling systems, foam systems, and water monitor systems, providing robust protection and rapid response capabilities.
Ocean - Designed for the wild water supply systems and the island freshwater collection systems, these pumps are tailored to meet the challenges of oceanic and coastal environments.
Heating - Dependable solutions for water circulation systems and cooling systems, offering unmatched efficiency in heating system management.
Municipal - Essential for emergency drainage and water supply, these pumps are built to deliver quick and effective solutions in municipal settings.
Agriculture - Advanced irrigation and drainage systems that cater to the unique demands of modern agriculture, promoting sustainable water management and resource conservation.
Professional Cooperation Agencies
Our esteemed company has fostered robust and enduring partnerships with several prominent domestic pump-testing institutions, ensuring top-tier quality and performance:
National Quality Supervision and Inspection Center of Industrial Pumps, located in the bustling Tiexi District of Shengyang city,
Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, situated in the vibrant Zhenjiang City,
Ministry of Agriculture, Water Pump Quality Supervision and Testing Center, based in the dynamic city of Chongqing,
Shanghai Mechanical and Electrical Products Quality Inspection Center, nestled in the heart of Shanghai city, among others.
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