Efficient Consumption and Hassle-Free Maintenance: Discover unparalleled efficiency with our Durable Cast Iron Fire Pump, designed for seamless operation and minimal upkeep to keep you worry-free.
SEMHAI Engines proudly presents an expansive range of diesel engines tailored for stationary applications including centrifugal pumps, hydraulic pumps, air compressors, and air generators. Our engines span across various power spectrums, featuring ION power from 415 kW to 920 kW and ICXN power from 377 kW to 836 kW, all adhering to ISO 3046-1 standards. Renowned for their robust build, SEMHAI diesel engines excel in driving centrifugal pumps at variable speeds, optimizing power consumption through precise propeller curve alignment. These engines are not only reliable and fuel-efficient but also enhance operational efficiency with extended overhaul intervals and longevity, transforming them into powerful and adaptable energy solutions.
Performance Features
1. Comprehensive Starting Functions Offering 3 Modes:
(1).Manual Start Function: Achieve effortless manual start through manual-automatic interlock via switch.
(2).Automatic-Manual Functionality: Enjoy flexibility with 3 start attempts. Receive a 'starter failure alarm' and system exit after 3 unsuccessful tries. Seamlessly transition to rated load start within 5-10-15 seconds based on unit capacity after first successful start.
(3).Emergency Manual Direct Start Function: Experience immediate manual start in emergencies when self-controlled devices encounter issues.
2. Automatic Operation: Upon detecting a valid fire signal, the diesel fire pump autonomously initiates operation. If the fire pump motor's power supply is interrupted, it automatically switches to diesel, resuming electric pump operation once normalcy returns.
3. Automatic Shutdown: The diesel fire-fighting pump intelligently delays and shuts down automatically when the fire signal ceases.
4. Self-Charging Battery Feature: Ensure a reliable start every time with automatic battery charging powered by the diesel engine's electrical mains.
5. Comprehensive Indication System: Monitor readiness to start, manual and automatic operations, unit activity, shutdowns, battery charging, speed variations, lubrication oil pressure, turbocharger oil pressure, engine oil temperature, cooling system water temperature, battery voltage, and fuel levels effortlessly with our smart indicating system.
6. Robust Alarm and Protection System: Stay alert and protected with alarms for 3-time start failures, overspeeding, low lubricant oil pressure, turbocharger oil pressure issues, high cooling water temperature, low lubricating oil temperature, automatic charging device faults, and battery voltage anomalies.
7. Advanced Display Systems: Real-time insights into engine oil pressure, speed, battery charge current, and charge voltage ensure you stay informed at all times.
8. High-Precision Direct-Coupling: Experience seamless integration with high-flexible coupling connecting the diesel engine and water pump on a common base. Benefit from a compact design, superior performance, minimal failures, reduced vibrations, and straightforward on-site installation.
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 cater to diverse firefighting scenarios with precision.
10. Adjustable Flow and Working Pressure: Tailor your pumping needs with diesel pumps featuring mechanical or electronic speed governors, ensuring perfect alignment of pump flow and head with actual data for optimal performance.
11. Water Temperature Pre-Heating Device: Keep your system functional even in cold conditions with an AC220V cooling water pre-heater that guarantees normal operation below 5 ºC.
12. Dual Battery Circuit: Seamlessly switch to a backup battery in case of primary battery failure, ensuring uninterrupted operation.
13. Maintenance-Free Battery: Experience the convenience of a maintenance-free battery, eliminating the need for frequent fluid top-ups.
14. Automatic Timing Inspection Test: In the realm of fire system excellence, our unit remains ever-ready, poised in a vigilant standby mode. It autonomously conducts comprehensive device testing, ensuring optimal standby conditions while providing timely warnings to safeguard against potential threats.
Note: We offer a plethora of customizable options to cater to your unique requirements. Whether you seek the functionalities listed above or have specific custom-designs in mind, we are dedicated to crafting solutions that align with your precise needs.
Selection Configuration of Diesel Engine
1. The Pump: We offer a diverse array of pump options tailored to your needs. Choose from the reliable IS series single-stage single-suction pump, the efficient SOW series single-stage double-suction pump, the robust SHD series multistage segment pump, or the versatile ZW horizontal self-priming centrifugal pump.
2. The Diesel Engine:
Our diesel engines are of international renown, featuring single-cylinder, two-cylinder, four-cylinder, and six-cylinder models. They boast a range of speeds, including 1500r/min, 1800r/min, 2400r/min, and 3000r/min, ensuring performance that meets exceptional standards.
3. Other Accessories: Elevate your system with an array of essential accessories, including a filtration system, silencer system, cooling system, fuel tank, common channel base, base fuel tank, radiator, battery, and charger—engineered for seamless integration and superior functionality.
4. The Control Cabinet: Our advanced control cabinets, featuring state-of-the-art SBC, PLC programming, and sensors, offer automatic control capabilities, ensuring your systems run smoothly and efficiently, meeting the demands of modern operations.
| 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 unparalleled power with our internationally renowned diesel engines, featuring a variety of options including single-cylinder to six-cylinder configurations. These engines offer a versatile speed range of 1500r/min, 1800r/min, 2400r/min, and 3000r/min, engineered to deliver outstanding performance and reliability.
SEMHAI's Robust Professional Coupling Adaptors are meticulously crafted to seamlessly connect diesel engines to pump drives. Designed with engineering precision, these adaptors ensure optimal performance by securely fastening the shaft, delivering reliability and efficiency in every operation.
Our coupling adaptors are engineered for effortless integration, connecting to standard couplings for a straightforward plug-in installation without the necessity of aligning tools. Constructed from polyamide nylon reinforced with fibreglass, these adaptors are torsionally rigid and maintenance-free, ideal for diverse applications like hydrostatic drives in construction, harvesters, and forestry machinery.
The SEMHAI Diesel Plus Fire Pump Controllers are cutting-edge solutions crafted to masterfully control and vigilantly monitor 12 or 24-volt diesel fire pump engines. These controllers epitomize technical advancement, ensuring your fire pump systems operate at peak efficiency and reliability.
Features
Universal Supply Voltage spanning from 100Vac to 240Vac, offering flexibility and adaptability to various electrical environments.
Dual Output capability with a selectable 12 or 24 Vdc via DIP switch, providing versatile power options tailored to your system's needs.
Integrated USB Port for streamlined communication and data management, enhancing your user experience and operational efficiency.
Effortlessly transfer data to or from a portable USB device, ensuring you have access to vital information whenever you need it.
Embedded Web Pages* for intuitive navigation and easy access to system insights.
Effortlessly view current status, data values, programmed set points, and historical data all at a glance, enabling informed decision-making.
Ethernet* Direct Connection for seamless data transfer with a computer, enhancing connectivity and data accessibility.
RS485 Port* for robust communication capabilities.
MODBUS Communication * Note: COM Option must be ordered to activate this advanced communication feature.
Introducing our New Big Volume Dual Wall Diesel Subbase Generator Fuel Tank, engineered for enhanced capacity and reliability.
Our robust engine mounts are meticulously designed to isolate vibrations effectively, reducing noise in both mobile and stationary equipment. Crafted from premium industrial-grade materials, these mounts ensure durability and prolong the life of your machinery, outperforming cheaper alternatives.
Our professional gearboxes feature precision engineering for direct mounting on diesel engines, offering speed modulation through acceleration or reduction. Equipped with an SAE housing and fixed coupling (Rubber Block Drive) or a switchable BD or BDS clutch, these gearboxes are versatile for a myriad of applications.
Industry - Ideal for enhancing boiler feed water systems and optimizing cooling system performance.
Smelting - Essential for water circulation systems, ensuring efficient cooling operations.
Fire-fighting - Perfectly suited for fire hydrant systems, sprinkler systems, spray cooling, foam systems, and advanced water monitor systems.
Ocean - Designed for wild water supply systems and island freshwater collection systems, ensuring reliability and efficiency.
Heating - Optimizes water circulation and cooling systems for maximum performance and energy efficiency.
Municipal - Critical for emergency drainage and reliable emergency water supply solutions.
Agriculture - Tailored for irrigation and drainage systems, maximizing agricultural productivity.
Strategic Alliances with Prestigious Professional Cooperation Agencies
Our esteemed company, Shanghai Semhai Pump Co., Ltd., has forged robust and long-term partnerships with several distinguished large-scale domestic pump-testing institutions. We proudly collaborate with renowned entities such as:
The illustrious National Quality Supervision and Inspection Center of Industrial Pumps located in Tiexi District, Shengyang City,
The esteemed Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, situated in Zhenjiang City,
The reputable Ministry of Agriculture, Water Pump Quality Supervision and Testing Center in the vibrant Chongqing City,
And the prominent Shanghai Mechanical and Electrical Products Quality Inspection Center, right here in bustling Shanghai City, among others.
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