Products Description
The End Suction Horizontal Water Pump single-stage suction pump TSSP-IS is a centrifugal pump widely used in industrial and urban water supply and drainage, agricultural irrigation and other fields. It is suitable for transporting clear water or liquids with physical and chemical properties similar to clear water, with a medium temperature not exceeding 80℃. This pump adopts a rear-opening structure design, making it unnecessary to disassemble the pump body and piping during maintenance, featuring a simple structure, reliable performance, small size, and low power consumption. Its performance parameters include a flow rate of 5.4 to 400 cubic meters per hour, a head of 4 to 125 meters, and a maximum operating pressure of up to 1.6 megapascals.
End Suction Horizontal Water Pump The single-stage end-suction pump TSSP-IS is installed in a horizontal manner, with a horizontal axial suction and an upward radial discharge. The pump body and pump cover adopt a rear-opening structure. During maintenance, there is no need to dismantle the piping; simply loosening the pump cover bolts is sufficient to remove the rotor components. The shaft seal mostly uses soft packing seals, and the bearings are configured as single-row radial ball bearings. When the impeller is designed with a balance hole, it is combined with the packing ring to achieve sealing. The transmission method is connected to the motor through an elastic coupling, and the rotation direction is clockwise.
Model parameters
| Product name | Clean water pump |
| Color | Customized Color |
| Material | Brass/Cast iron/stainless steel/Customized |
| Head | 4.6-200m/Customized |
| Speed | 1450-2900r/min/Customized |
| Capacity | 3.8-1200m³/h/Customized |
| Maximum temperature of conveyed liquid |
150°℃/Customized |
| Structure | Horizontal single stage centrifugal pump |
| Advantage | Wearresistant,corrosionresistant,energysaving,easy to install maintain |
| Applicaion scope | heating cooling cycle boosting,Industrial,urban,chemical,firefighting |
Installation steps and key points
End Suction Horizontal Water Pump When installing the suction pump, a series of spacing requirements need to be followed to ensure the normal operation of the pump and the convenience of maintenance. These spacing requirements cover not only the diameter of the inlet pipe, but also the position of the flexible connection on the horizontal and vertical pipe sections, as well as multiple aspects such as the minimum maintenance spacing and installation spacing. Additionally, the spacing from the wall is also an important consideration, as it affects the overall layout of the pump and the safety of its use. Based on following these spacing requirements, we can ensure that the end suction pump can operate stably and efficiently, and provide convenience for subsequent maintenance work.
When conditions permit, it is recommended to install the flexible joints at the pump inlet and outlet on the horizontal pipe section. This not only facilitates the installation of the supports but also ensures the stability and ease of use of the pipeline.
02 Installation Requirements for Double- suction Pumps
Spacing under Different Arrangement Methods
When the inlet pipe diameter is DN100, the minimum spacing of the pumps under different layout methods is as follows:
The layout is vertical and is connected in a soft manner to the horizontal pipe section. The minimum spacing of the water pumps is 50mm.
The layout is vertical and the pipes are connected in a flexible manner at the vertical sections. The minimum spacing of the pumps is 100mm.
The pumps are arranged diagonally and are connected in a soft manner to the horizontal pipe section. The minimum spacing between the pumps is 75mm.
The pipes are arranged diagonally and are connected in a soft manner to the vertical sections. The minimum spacing of the pumps is 125mm.
Please note that these spacing requirements are designed to ensure the stability of the pipeline and the convenience of use, and also facilitate the smooth installation of the support. In actual operation, these spacing standards should be strictly followed to ensure the safe and efficient operation of the double-suction pump.
Suggestions for limited space situations
The installation spacing of double-suction pumps is usually required to be relatively large, especially in environments with limited space. To save space, a diagonal arrangement is usually chosen. If the space is truly very limited, it is also possible to consider installing the flexible connection parts of the inlet and outlet pipes of the double-suction pump on the riser.
Common Faults and Solutions
The petrochemical industry
During the process of petroleum refining and chemical production, a large amount of corrosive liquids and flammable/explosive media need to be transported. The direct-connected end-suction centrifugal pump, with its compact structure and stable operation, is widely used in aspects such as crude oil transportation and the circulation of chemical reaction liquids. Its sealing design and material selection ensure safety and reliability in high-temperature and high-pressure environments.
2. Coal chemical industry and new material manufacturing
In the coal chemical process, there are a large amount of slurries and corrosive media involved. The direct-connected end-suction centrifugal pump can meet the requirements of corrosion resistance and wear resistance, ensuring continuous operation. In the production of new materials, it is also commonly used to convey high-viscosity or special fluids.
3. Water treatment and wastewater treatment
In water treatment plants and sewage treatment plants, pumps are operated frequently and require high reliability. The direct-connected end-suction centrifugal pump, with its advantages of easy maintenance and smooth operation, has become an important equipment in sewage transportation and circulating water systems. Especially in deep water or high-head situations, its stability is particularly outstanding.
4. Power Industry
The cooling system and circulating water system of power plants often use direct-connected centrifugal pumps to ensure continuous water supply. Their compact structure and stable operation help reduce equipment failures and maintenance time.
5. Metallurgical Industry
In the metallurgical process, the transportation of raw materials and molten liquid has high requirements for the performance of pumps. The direct-drive end-suction centrifugal pump can adapt to high temperatures, high pressures and high corrosive environments, ensuring the efficient operation of the production process.
6. Water Conservancy Projects
In water conservancy projects such as irrigation and water diversion, the efficiency of pumps directly affects the economic performance of the projects. Direct-drive centrifugal pumps, due to their high efficiency and ease of maintenance, demonstrate excellent adaptability in these types of projects.
Products Description
Practical Tips for Selecting Centrifugal Pumps
When choosing a centrifugal pump, multiple factors need to be taken into consideration to ensure that it meets the system requirements and enhances long-term reliability. Based on industry standards, the following provides an objective purchasing guide:
Evaluate performance parameters: Head is a key indicator and needs to be calculated based on system resistance (such as pipeline length and height difference). For example, a 100-meter head is suitable for high-pressure applications, but it should be verified through actual testing. Avoid choosing pumps with too high or too low head to reduce energy consumption.
Material and durability: Cast iron material is economical and practical and is suitable for neutral water quality; if dealing with corrosive fluids, stainless steel options can be considered. The material directly affects the lifespan and maintenance frequency of the pump.
Application matching: Clearly define the application scenario of the pump, such as a vertical pump is designed for fluid transportation. Combine the system type (such as HVAC or wastewater treatment), and select the corresponding flow and pressure range.
Installation and maintenance: Horizontal pumps are easy to install, but ensure a stable foundation. Check the product features, such as whether the end suction design simplifies the pipe connection. Regular maintenance plans can extend the equipment lifespan.
FAQ
01.What are the reasons for excessive power consumption of the mechanical pumps?
02.The structural features and advantages of the ISG type single-stage single-suction vertical centrifugal pump are
Second, the inlet and outlet diameters of the pump are the same and located on the same center line. It can be directly installed on the wide platform like a valve, making the installation extremely simple.
Third, the ingenious foundation design facilitates the stable installation of the pump.
Fourth, the pump shaft is the extended shaft of the motor, which solves the serious vibration problem caused by the conventional centrifugal pump shaft and the motor shaft using a coupling for transmission. The surface of the pump shaft is chrome-plated, significantly extending the pump's service life.
Fifth, the impeller is directly installed on the extended shaft of the motor. The pump operates without noise, and the motor bearings use low-noise bearings, ensuring very low noise during the entire machine operation, significantly improving the usage environment.
Sixth, the shaft seal adopts mechanical seal, solving the serious leakage problem caused by the conventional centrifugal pump's sealing. The static and dynamic rings of the seal are made of silicon carbide, enhancing the seal's service life and ensuring a dry and clean working site.
Seventh, there is an air vent hole on the pump cover. The lower side and both sides of the pump body have water discharge holes and pressure gauge holes, ensuring the normal operation and maintenance of the pump. Eighth, the unique structure enables the pipeline system to be maintained without having to be disassembled. All that is needed is to remove the pump cover nut, after which the maintenance can be carried out very conveniently.
03.What is flow? Which letter is used to represent it? How many units of measurement are there? How is it converted? How is it converted into weight and what is the formula?
Measurement units: cubic meters per hour (m3/h), liters per minute (L/min), liters per second (L/s)
1 L/s = 3.6 m3/h = 0.06 m3/min = 60 L/min
G = Qr G is weight r is liquid specific gravity
Example: A certain pump has a flow rate of 50 m3/h. What is the weight when pumping water? The specific gravity of water r is 1000 kilograms/cubic meter (1 g/cm3) Solution: G = Qr = 50 × 1000 (m³/h. kg/m³) = 50000 kg/h = 50 T/h
04.The selection criteria for the pump
2. Must meet the requirements of the medium properties. For pumps transporting flammable, explosive, toxic or valuable media, reliable shaft seals or leak-free pumps are required. For pumps transporting corrosive media, the flow components should be made of corrosion-resistant materials such as AFB stainless steel corrosion-resistant pumps or CQF engineering plastic magnetic drive pumps. For pumps transporting media containing solid particles, the flow components should be made of wear-resistant materials, and the shaft seals should be flushed with clean liquids when necessary.
3. Mechanical aspects should be highly reliable, with low noise and small vibration.
4. Economically, the total cost of equipment, operation, maintenance and management should be minimized.
5. Centrifugal pumps have the characteristics of high speed, small volume, light weight, high efficiency, large flow rate, simple structure, no pulsation in liquid delivery, stable performance, easy operation and convenient maintenance. Therefore, except for the following situations, centrifugal pumps should be selected as much as possible:
When there is a measurement requirement, choose a metering pump. When the head requirement is very high and the flow is very small and there is no suitable small-flow high-head centrifugal pump, a reciprocating pump can be selected. When the vortex pump is not suitable due to low cavitation requirements, a vortex pump can also be selected. When the head is very low and the flow is very large, axial flow pumps and mixed flow pumps can be selected. When the medium viscosity is large (greater than 650 - 1000 mm2/s), rotor pumps or reciprocating pumps (gear pumps, screw pumps) can be considered. When the medium contains 75% air and the flow is small and the viscosity is less than 37.4 mm2/s, a vortex pump can be selected. For occasions with frequent startups or inconvenient filling, pumps with self-priming performance should be selected, such as self-priming centrifugal pumps, self-priming vortex pumps, pneumatic (electric) diaphragm pumps.
II. General Procedure for Pump Selection
1. Based on various factors such as the layout of the device, terrain conditions, water level conditions, operation conditions, and economic plans, consider selecting horizontal, vertical and other types (pipe type, right-angle type, variable-angle type, turning-angle type, parallel type, vertical type, submersible type, detachable type, underwater type, non-clogging type, self-priming type, gear type, oil-filled type, water-temperature filled type). Horizontal pumps are convenient for disassembly and assembly, easy to manage, but have a large volume and are relatively expensive, requiring a large area; vertical pumps are often submerged in water and can be started at any time, convenient for automatic control or remote control, and are compact, with a small installation area, and are relatively cheaper.
2. Based on the properties of the liquid medium, choose a clear water pump, hot water pump, oil pump, chemical pump or corrosion-resistant pump, or use a non-clogging pump. For pumps installed in explosion zones, an explosion-proof motor should be used according to the explosion zone level.
3. Vibration is classified as pneumatic or electric (electric divided into 220v voltage and 380v voltage).
4. According to the flow rate, choose single suction pumps or double suction pumps; according to the head, choose single suction pumps or multi-suction pumps, high-speed pumps or low-speed pumps (air conditioning pumps), multi-stage pumps have lower efficiency than single-stage pumps. When single-stage pumps and multi-stage pumps can be used, it is advisable to choose single-stage pumps.
5. Determine the specific model of the pump. After selecting the series of pumps, determine the specific model based on the main performance parameters such as the maximum flow rate and the head with a 5% - 10% margin after the head. On the type spectrum or series characteristic curves, determine the specific model. Use the pump characteristic curve to find the required flow rate value on the horizontal coordinate and the required head value on the vertical coordinate. Draw vertical or horizontal lines from both values and the intersection point exactly falls on the characteristic curve. Then this pump is the one to be selected. However, this ideal situation is usually rare. Usually, the following situations will occur:
A. The first case: The intersection point is above the characteristic curve. This indicates that the flow rate meets the requirements, but the head is insufficient. At this time, if the head is approximately the same or differs by around 5%, it can still be selected. If the head differs greatly, then choose the pump with a larger head. Or try to reduce the pipeline resistance loss.
B. The second case: The intersection point is below the characteristic curve. Within the fan-shaped trapezoidal range of the pump's characteristic curve, this model can be preliminarily determined. Then, depending on the difference in head, decide whether to cut the impeller diameter. If the head difference is very small, do not cut. If the head difference is large, calculate the impeller diameter according to the required Q, H, using the ns and cutting formula. If the intersection point does not fall within the fan-shaped trapezoidal range, choose the pump with a smaller head. When selecting a pump, sometimes it is necessary to consider the production process requirements and select pumps with different shapes of Q-H characteristic curves.
05.What are the classifications of centrifugal pumps?
(II) According to the structure of the impeller, they can be classified as: ⑴ Closed impeller centrifugal pumps; ⑵ Open impeller centrifugal pumps; ⑶ Semi-open centrifugal pumps.
(3) According to the number of impellers, it can be classified as: ⑴ Single-stage centrifugal pump; ⑵ Multi-stage centrifugal pump.
(4) According to the way the pump sucks in the liquid, it can be classified as: ⑴ Single-suction centrifugal pump; ⑵ Double-suction centrifugal pump.
(5) According to the method of pump discharge, they are classified as: ⑴蜗壳式 centrifugal pump; ⑵ guide-flow type centrifugal pump
㈥ Classified by head: ⑴ Low-pressure pump; ⑵ Medium-pressure pump; ⑶ High-pressure pump.
㈦ According to the position of the pump shaft, they are classified as: ⑴ Vertical pumps; ⑵ Horizontal pumps.
06.What is the working principle of a centrifugal pump?
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