Achieve optimal fuel efficiency and simplicity in upkeep:
SEMHAI Engines presents an extensive array of diesel engines tailored for stationary functions, including centrifugal pumps, hydraulic pumps, air compressors, and air generators. Available in multiple power capacities, these engines range from ION power of 415 kW to 920 kW and ICXN power from 377 kW to 836 kW, complying with ISO 3046-1 standards. Our engines are certified for variable-speed centrifugal pump operations, aligning power consumption with corresponding propeller curves. The robust SEMHAI diesel engines for pump operations are distinguished by their reliability and fuel efficiency, delivering impressive performance facilitated by extended maintenance intervals and longevity. This advanced power density transforms our diesel engines into versatile and efficient energy providers.
Performance Features
1. Experience ultimate starting capabilities with three impeccable functions:
(1). Manual start function: Seamlessly initiate operations via manual-automatic interlock using a switch.
(2). Automatic-manual functions: Offers up to three starting attempts, with a "starter failure alarm" triggered and automatic exit if unsuccessful after three tries. Upon successful initial start, the unit reaches rated load in 5-10-15 seconds, based on unit capacity.
(3). Emergency manual direct start function: In case of self-controlled device failure, manually direct start for emergencies is possible.
2. Automatic operation: Upon receiving a valid fire signal, the diesel fire pump initiates automatically if the power supply system or fire pump motor experiences any failure. It switches back to the electric pump once the power supply normalizes.
3. Automatic shutdown: The diesel fire-fighting pump automatically delays and shuts down when the fire signal ceases.
4. Automatic battery self-charge: The battery is effortlessly charged via the diesel engine's mains power, guaranteeing a smooth unit start.
5. Comprehensive indicating system: Includes indicators for ready, manual, and automatic start, unit operation, unit shutdown, battery charging, speed, low lubricant oil pressure, turbocharger oil pressure, low engine oil temperature, high coolant temperature, battery voltage, low fuel level, and regular inspection.
6. Comprehensive alarm or protection system: Offers alerts or protection for three failed start attempts, overspeed, low lubricant oil pressure, turbocharger oil pressure, high coolant temperature, low lubricating oil temperature, automatic charging device failure, battery voltage issues, and low fuel level.
7. Comprehensive display systems: Showcases engine oil pressure, engine speed, battery charge current, and charging voltage, ensuring all vital metrics are visible.
8. Direct-coupled innovation: Seamlessly integrates diesel engine and water pump via high-flexible coupling on a common base, offering a compact design with outstanding performance, reduced failures, and vibrations, simplifying on-site installation.
9. High-pressure, large-flow capacity: Choose from IS series single-stage single-suction, SOW series single-stage double-suction, or SHD series multistage pumps to suit diverse firefighting scenarios.
10. Adjustable flow and pressure: With mechanical or electronic speed governors, easily modify diesel engine speed to align pump flow and head with real-world data.
11. Water temperature pre-heating device: Equipped with an AC220V cooling water preheating device, ensuring optimal operation in temperatures below 5°C.
12. Dual battery circuit: Should one battery fail, another seamlessly takes over operations.
13. Maintenance-free battery: Eliminates frequent need for supplemental fluid, ensuring hassle-free operations.
14. Automatic Timing Inspection Test: Our exceptional fire system remains in standby mode, seamlessly conducting automatic device testing for standby conditions. This ensures a timely warning system, providing peace of mind and unwavering reliability.
Note: Tailor the experience to your exact specifications! Choose from the above-listed functions, or opt for a bespoke design that perfectly aligns with your unique requirements. We're here to customize for your precision needs.
Selection Configuration of Diesel Engine
1. The Pump: Choose from our robust selection, including 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, all engineered for excellence.
2. The Diesel Engine:
Harness the power of internationally renowned diesel engines, featuring options with single-cylinder, two-cylinder, four-cylinder, and six-cylinder designs. Enjoy versatility with speed ranges of 1500r/min, 1800r/min, 2400r/min, and 3000r/min, delivering unparalleled performance.
3. Other Accessories: Enhance your system with top-tier accessories, including a filtration system, silencer system, cooling system, fuel tank, common channel base, base fuel tank, radiator, battery, and charger, to ensure seamless operation and efficiency.
4. The Control Cabinet: Advanced control at your fingertips with options like SBC and PLC programming, sensors, and an automatic control cabinet that provide intelligent management and ease of use.
| 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 |
Experience the excellence of internationally renowned diesel engine brands, featuring robust options such as single-cylinder, two-cylinder, four-cylinder, and six-cylinder configurations. Enjoy versatile speed ranges of 1500r/min, 1800r/min, 2400r/min, and 3000r/min to suit your high-performance needs.
Introducing the SEMHAI Robust Professional Coupling Adaptors, expertly crafted to connect diesel engines seamlessly with drive pumps via a durable shaft. These adaptors ensure reliable and efficient performance in every application.
Our coupling adaptors are designed for effortless plug-in installation, eliminating the need for aligning tools. Constructed from polyamide nylon reinforced with fibreglass, they provide torsional rigidity and are maintenance-free. Perfect for hydrostatic drives in construction machines, harvesters, and forestry machinery.
Discover the Diesel Plus Fire Pump Controllers from SEMHAI, engineered to control and monitor 12 or 24-volt diesel fire pump engines. These controllers are leading the industry in technical sophistication, ensuring optimal performance and reliability.
Features
Embrace versatility with our Universal Supply Voltage ranging from 100Vac to 240Vac.
Choose between Dual Output 12 or 24 Vdc with our convenient DIP Switch Selectable feature.
Stay connected with our user-friendly Communications USB Port / Drive.
Effortlessly Transfer Data to and from a portable USB Device, ensuring seamless data management.
Embedded Web Pages*
Monitor everything at a glance—View Current Status, Data Values, Programmed Set Points, and a comprehensive History.
Ethernet* Enjoy Direct Connection and Data Transfer with a Computer for enhanced productivity.
RS485 Port*
MODBUS Communication * COM Option must be ordered for this function to unlock extended communication capabilities.
Introducing the New Big Volume Dual Wall Diesel Subbase Generator Fuel Tank—designed for maximum efficiency and capacity.
Our robust engine mounts are designed to isolate vibrations, reducing noise for both marine and industrial applications. Crafted from premium industrial-grade materials, they offer longevity and enhance equipment durability beyond that of conventional mounts.
Our Professional Gearboxes are tailored for direct mounting on diesel engines, offering flexible speed adjustments for various applications. The input side accommodates an SAE housing with a fixed coupling (Rubber Block Drive) or a switchable BD/BDS clutch, ensuring versatile performance.
Industry - Perfectly tailored for boiler feed water systems and cooling systems, our pumps ensure seamless operations and enhanced efficiency in industrial settings.
Smelting - Enhance your water circulation and cooling systems with our pumps, optimized for the demanding conditions of smelting operations, ensuring reliability and performance.
Fire-fighting - Our pumps are essential for fire hydrant systems, sprinkler systems, spray cooling systems, foam systems, and water monitor systems, delivering unparalleled efficiency and reliability in critical situations.
Ocean - Designed for the rigors of ocean applications, our pumps excel in wild water supply systems and island freshwater collection systems, supporting sustainable water management.
Heating - Trust our pumps for superior performance in water circulation and cooling systems, ensuring optimal heating system efficiency and reliability.
Municipal - Our pumps provide rapid response solutions for emergency drainage and emergency water supply, supporting municipal services with dependable performance under pressure.
Agriculture - Perfect for irrigation and drainage systems, our pumps help maximize agricultural productivity by ensuring consistent and efficient water management.
Expert Partnerships with Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. has fostered robust and enduring partnerships with a range of prominent domestic pump-testing institutions, ensuring the highest standards in quality and performance. Some of our esteemed partners include:
The prestigious National Quality Supervision and Inspection Center of Industrial Pumps located in the Tiexi District of Shengyang City,
The renowned Irrigation Machinery Products Quality Inspection Center of Machinery Industrial situated in Zhenjiang City,
The esteemed Ministry of Agriculture, Water Pump Quality Supervision and Testing Center based in Chongqing City,
Alongside the distinguished Shanghai Mechanical and Electrical Products Quality Inspection Center in Shanghai City, among others.
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