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End suction centrifugal pumps get their name from the pathway the water takes to enter the pump. Typically the water enters one side of the impeller, and on horizontal end suction pumps, this appears to enter "the end" of the pump. Unlike the Split casing type the suction pipe and motor or engine are all parallel, eliminating the concern about pump rotation or orientation in the mechanical room. Since water is entering one side of the impeller, you lose the ability to have bearings on both sides of the impeller. Bearing support will be either from the motor itself, or from the pump power frame. This prevents the use of this type of pump on large water flow applications.
| Capacity | 50 to 750 GPM (11.4 to 170 m3/hr) |
| Head | 118 to 490 feet (36 to 150 meters) |
| Pressure | Up to 360 psi (25 kg/cm2, 2500 kPa) |
| House Power | Up to 180 hp (132 kW) |
| Divers | Horizontal electric motors, diesel engines |
| Liquid type | Water |
| Temperature | Ambient within the limits for satisfactory equipment operation |
| Material of Construction | Cast iron, Stainless steel, bronze fitted as standard |
UL listed NFPA 20 horizontal end suction fire fighting pump with electric motor
UL Listed - Meets Underwriters Laboratories (UL) safety standards for fire pumps.
NFPA 20 Compliance - Adheres to the National Fire Protection Association Standard 20 for installation, performance, and reliability.
FM Approved (Optional) - Some models may also carry Factory Mutual (FM) certification.
Type: Horizontal end suction, single-stage centrifugal pump.
Flow Range: 25 GPM to 5,00 GPM (depending on model).
Pressure Range: 40 PSI to 200+ PSI (adjustable based on system requirements).
Suction & Discharge:
Suction: Flanged inlet (ANSI/DIN standard).
Discharge: Top or side outlet (flanged for piping connection).
Power Supply: Typically 460V/3-phase/60Hz (other voltages available).
Motor Type: NEMA Premium efficiency or Explosion-proof (XP) for hazardous locations.
Enclosure: TEFC (Totally Enclosed, Fan-Cooled) for durability.
Starting Method:
Across-the-line (DOL) for smaller pumps.
Soft Starter/VFD (for reduced inrush current in larger systems).
Pump Casing: Cast iron, ductile iron, or stainless steel (for corrosive environments).
Impeller: Bronze or stainless steel (for wear resistance).
Shaft: Stainless steel with mechanical seals.
Fire Pump Controller (UL-listed, meeting NFPA 20):
Automatic start on pressure drop.
Manual override.
Alarm & monitoring (phase reversal, low pressure, etc.).
Jockey Pump Compatibility (to maintain system pressure).
Horizontal End Suction Design
Single-stage centrifugal pump with suction on one end and discharge on the top.
Compact and efficient for high-pressure water delivery.
Diesel Engine-Powered
Typically uses a heavy-duty diesel engine for reliable operation in remote or power-scarce areas.
Self-sufficient, eliminating reliance on electrical grids.
Firefighting Performance
Flow Rate: Ranges from 50 GPM to 5,00 GPM (or higher for industrial use).
Pressure: Typically 60-200 PSI (adjustable based on nozzle requirements).
Suction Lift: Up to 20 feet (depending on pump design).
Construction & Materials
Pump Casing: Cast iron, bronze, or stainless steel for corrosion resistance.
Impeller: Bronze or stainless steel for durability.
Shaft & Seals: High-grade stainless steel with mechanical seals for leak-free operation.
Control & Monitoring
Manual/Electric Start
Instrumentation Panel (pressure gauge, tachometer, fuel level, battery status, etc.)
Governor Control for stable RPM under varying loads.
Compliance & Standards
NFPA 20 (Standard for Stationary Pumps for Fire Protection)
UL/FM Approved (for certified fire pumps)
DOT/Diesel Emission Standards (Tier 3/Tier 4 for environmental compliance)
1. Directly coupled, vibration proof and low noise.
2. Same diameter of inlet and outlet .
3. C&U bearing ,which is the most famous brand in China.
4. Circulating flow cooling ensure mechanical seal long life .
5. Small foundation required that will saving construction investment by 40-60%.
6. Excellent seal that is no leakage.
Applications vary from small, basic electric motor driven to diesel engine driven, packaged systems. Standard units are designed to handle fresh water, but special materials are available for sea water and special liquid applications.
The TONGKE Fire Pumps give superior performance in Agriculture, General Industry, Building Trade, Power Industry, Fire Protection, Municipal, and Process applications.
Centered around technological innovation and pursuing superior quality
To be a world-class provider of fluid transfer solutions
Shanghai Tongke Flow Technology Co., Ltd is a technology-based enterprise integrating technological innovation and environmental protection concepts. Since its establishment in 2001, it has always been committed to the cutting-edge research and development and production of fluid conveying products and intelligent fluid equipment, and has been deeply engaged in the field of enterprise energy-saving transformation services. Adhering to the original intention of green development, the company continues to promote the energy-saving and environmental protection upgrading of cutting-edge technology products, and continues to lead the industry innovation trend.
Tongke Flow Technology, as the supplier of a full range of Fluid equipment solutions in the industry, is not only specialized in manufacturing comprehensive fluid equipment products including pumps, motors and efficient control systems, but also adept in customizing high-quality and feasible technical solutions according to client needs to help the efficient operation of enterprise projects and achieve a win-win situation of economic and environmental benefits.
ENTERPRISE QUALIFICATION
Since its inception, our company has steadfastly adhered to the core purpose of "focusing on technological innovation, striving for quality enhancement, and committing to providing professional services to solve customer issues." We have continually refined our skills and strengthened our brand image. Over the years, we have not only received numerous authoritative certifications and accolades but have also successfully passed the stringent certifications of ISO 9001-2015 International Quality Management System, ISO 14001 Environmental Management System, and ISO 45001. Occupational Health and Safety Management System. We consistently adhere to international standards, ensuring the stability and reliability of our product and service quality, winning widespread acclaim and trust in the market.
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