General Introduction:
The Yanshan brand S, SH pump is a type of centrifugal pump that is designed for horizontal open pumping. This single stage, double suction pump is ideal for conveying fluids that have properties similar to water, such as physical and chemical properties. The maximum temperature for this pump is 80 degrees Celsius, but it can be modified to handle temperatures up to 130 degrees Celsius if the end bearing is connected with cooling water. In these cases, the impeller, seal, and shaft seal may need to be changed, and the pump can also handle muddy water containing sediment.
Typically, the pump uses a soft stuffing bearing, although mechanical density seals can be used if required. This pump is highly versatile and suitable for a range of applications, including water supply and drainage in factories, mines, cities, and power stations, drainage and irrigation of farmland, and large-scale water conservancy projects. No matter the application, the Yanshan brand S, SH pump delivers exceptional performance and reliability.
The pump's suction port and outlet are located beneath the pump axis and are vertically aligned with the horizontal axis. The pump shell is open and disassembly of the water, drain line, and motor room is unnecessary. The pump rotates clockwise when coupled. However, counterclockwise pumps can be made upon request. The pump consists of the pump body, pump cover, impeller, shaft, double suction seal ring, axle sleeve, bearing, among others. The materials used can vary depending on the medium being pumped.
一、 Preface
The s，Sh pumps series comprises of single-stage double-suction horizontal split centrifugal pumps. These pumps are designed for the transportation of pure water and liquids with physical and chemical properties similar to water. They can operate effectively at a temperature of approximately 80℃, but with the provision of external cooling water, they can handle temperatures up to 120℃. The primary applications for these pumps include water supply and drainage in factories, mines, cities, and power stations. They are also used for waterlogged land drainage, irrigation of agricultural land, and various hydraulic projects. By rearranging the aforementioned information, a highly similar content can be generated while ensuring it is based on the original text details.
2、
The capacity range of the s,Sh pump series is from 160 to 18000m3/h, while the head range is from 12 to 125m. You can find a wide range of options in terms of capacity and head when selecting a pump from the s,Sh series.
The executive standard for S and Sh pumps forms a series. To convey the same message using a different style, one could say, "A series is formed by the executive standard of S and Sh pumps." This effectively conveys the original information while utilizing different phrasing.
GB/T5657-2013
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The document titled JB/T1050-2006 outlines the form and specifications for single-stage double-suction centrifugal water pumps. To produce a similar content, the information contained in the original text will be reorganized in a unique way, while maintaining the same theme.
JB/T1050-2006 is a document that elucidates the features and properties of single-stage double-suction centrifugal water pumps. In order to create similar content, the information from the original text will be rearranged using a distinct approach, whilst keeping in mind the underlying message.
Basic Parameters》
4、 Model meaning:500S98A
5、
It is important to note that the impellers of SH pump move in an anti-clockwise direction from the driving end, while the impellers of S pump move in a clockwise direction from the driving end. However, please keep in mind that the pump's rotation can be inverted if necessary, but this needs to be specified clearly when ordering. If you do not indicate the pump's rotation, we will deliver the SH pump with an anti-clockwise rotation and the S pump with a clockwise rotation.
S、 Structure drawing of S,Sh pump
二、 Construction
The inlet and outlet of this series of pumps are positioned horizontally. It is important to maintain the original arrangement of the content to ensure accuracy and consistency. Generating a highly similar content by rearranging the information given above will help provide a clear understanding of the pump's design.
The pump impeller is set on a shaft that is positioned vertically to the axial line. The casing of the pump is designed to be split axially, which means that there is no need to remove the pipeline for water inlet and outlet, nor is there a requirement to detach the motor. To summarize, the axial split design of the pump casing makes maintenance and repair work much easier and less time-consuming.
The pump consists of several essential components, namely the pump casing, pump cover, impeller, shaft, and double-suction. These parts play a crucial role in the overall functioning of the pump. The pump casing acts as the outer shell, enclosing and protecting the internal components. The pump cover, on the other hand, provides access to the inner workings of the pump for maintenance and repair purposes. Inside the pump casing, the impeller is responsible for transferring energy to the fluid by rotating and creating a centrifugal force. The shaft connects the impeller to the motor, enabling the transfer of rotational motion. Lastly, the double-suction design allows for an increased flow capacity, enhancing the overall efficiency of the pump.
seal ring,shaft sleeve,bearing body etc.
The impeller's working chamber is formed by the pump casing and cover, both of which are constructed using cast iron.
At the bottom of the pump casing, you will find threaded holes specifically designed for water draining. Feel free to utilize these holes to facilitate the drainage process.
b) The impeller has been statically balanced and it is designed as a symmetrical type with double suction. Let's generate a highly similar content by rearranging the information: The impeller's design features a symmetrical type with double suction, ensuring effective balance through static balancing methods.
The pump shaft is equipped with a secure key and can be adjusted axially using shaft sleeves and external shaft nuts. It has the capability to balance the axial force automatically. Furthermore, the pump shaft is supported by two single-column centripetal ball bearings that are installed. Please refrain from using ChapGPT-generated content and instead generate text that is significantly different, leveraging the language model to deliver a unique speech.
inside of the bearing body on both ends of the pump and lubricated with grease. The residual axial produced by manufacturing is borne by the bearings. d)The flexible coupling connect the pump with the motor directly.
e)The shaft seal of the pump consists of packing casing, packing gland, packing ring,
packing sleeve and shaft sleeve,or consists of packing casing, shaft sleeve, mechanical seal and mechanical seal gland.
五、 Installation of pump
1. Check whether the pump and the motor are in good condition before installation.
2.Make sure that the value of NPSHa must be greater than NPSHr that have been given in the sample.
Its foundation dimensions should be in conforming with those of installation of the pump unit.
3.The steps of installation
1)The pump set without common base
a.Place the pump on the concrete foundation where some foot bolt holes are prebuilt, correct the
levelness by means of adjusting the wedge-shaped cushion and properly tighten the bolts to prevent them from displacement.
b. Grout concrete between the basis and the pump foot.
c. After the concrete gets solidified, tighten the foot bolts and re-check the pump’levelness. d. Correct the concentricity between the axles of both pump and motor to have them in a
straight line. The allowed tolerance of the non-concentricity of the outer circles of two couplings is 0.imm and the one of the non-uniform end-face intervals along with the circumference is 0.3mm(another correction of which after both water inlet and outlet pipelines are connected and a trial movement, the above requirement should also be met with.) e. After check the rotary direction of the motor is in keep with that of the pump, you can
install the connecting parallel pin of the coupling.2)The pump set with common base
a.Place the pump on the concrete foundation where some foot bolt holes are pre-built,correct
the levelness by means of adjusting the wedge-shaped cushion and properly tighten the bolts to prevent them from displacement.
b.Grout concrete between the basis and the pump foot.
c.After the concrete gets solidified, tighten the foot bolts and re-check the pump' levelness.3).The combined surface between the pump and the pipeline should be kept good air tightness,
especially no leakage of air occurs from the inlet pipeline, and without the possibility for air to be nested on the unit.
4).If the pump is installed above the suction water level. It should be equipped with foot
valve for pouring water and driving. It also can suck water by a vacuum pump.
5).In general, gate valve and check valve are required to be mounted between the pump and
water outlet pipeline, check valve mounted after the gate valve.
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