CH-type horizontal single-stage single-suction standard chemical centrifugal pump
Flow rate: 3.6–800 m³/h
Head: 2.2–120 m
Efficiency: 25-87%
Rotational speed: 1450 rpm, 2900 rpm
Shaft power: 0.27–335 kW
Cavitation margin: 0.5–9.0 m
Price: 0.41–88,500
The CH-type horizontal single-stage, single-suction standard chemical centrifugal pump is a horizontal, single-stage, single-suction centrifugal pump whose dimensions and performance comply with DIN 24256/ISO 2858 standards. It is a chemical pump product widely used in China today.
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Single-stage pump
Horizontal Single-Stage Fire Pump
Product Overview
The CH-type horizontal single-stage single-suction standard chemical centrifugal pump is a horizontal, single-stage, single-suction centrifugal pump whose dimensions and performance comply with the DIN24256/ISO2858 standards. It is a widely used single-stage chemical pump product in China today. The performance range of the CH-type horizontal single-stage standard chemical pump encompasses all the performance characteristics of the previously available domestic IH-series standard chemical pumps and IS-series centrifugal water pumps. Its efficiency, cavitation performance, and operational stability significantly exceed those of the IH and IS pumps, and it can be directly interchanged with IH and IS pumps on a one-to-one basis.

Product Parameters
CH-type horizontal single-stage single-suction standard chemical centrifugal pump—performance parameters and product applications:
Flow rate (Q): ~800 m³/h
Head (H): ~120 m
Working pressure (P): ~2.5 MPa
Operating temperature (t): -80℃ to +160℃
The characteristic curve is flat, with a low cavitation value and high efficiency. These characteristics are maintained even under partial-load conditions.
Product usage: Single-stage pump Suitable for conveying neutral or corrosive liquids at low or high temperatures; as well as clean liquids or those containing solid particles. Particularly applicable to: the chemical and petrochemical industries, refineries, pulp and paper mills, alcohol production, food processing, and sugar manufacturing.
Media conveyed: Inorganic and organic acids such as sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid at various temperatures and concentrations; various salt solutions; a wide range of liquid petrochemical products and organic compounds, as well as other corrosive raw materials and products.
Structural features of the CH-type horizontal single-stage single-suction standard chemical centrifugal pump:

Shaft seals: Single-face mechanical seals, double-face mechanical seals, dynamic seals, and packing seals are available; users can select any type according to their requirements.
The commonly used materials for components in contact with the medium are as follows:
1Cr18Ni9(B), Cr28(E)
1Cr 18Ni12Mo2Ti(M)
0Cr20N25Mo5Cu2(904)
0Cr 30Ni42Mo3Cu 2(804)
00Cr18N12Mo2 (316L), TA2 (titanium)
STNICr202 (nickel cast iron), YG25 (cast steel)
HT2040 (cast iron)
Hastelloy (resistant to hydrochloric acid of all concentrations) zG25 (cast steel)
HT20-40 (Cast Iron)
Friendly reminder: For performance parameters, please go directly to Pump Selection Direct page query
Why choose us?
Changsha Zhonghlian Pump Industry Co., Ltd. was founded in 1989 and was independently established after the restructuring of Changsha Water Pump Factory. It is a comprehensive national high-tech enterprise integrating design, research and development, manufacturing, and service. The company was listed on the Hunan Provincial Equity Exchange on December 31, 2019, with the abbreviation "Zhonghlian Pump Industry" and the equity code: 600275HN. It is currently a key backbone enterprise in China's centrifugal pump industry and one of the major professional manufacturers of multi-stage pumps in the country. The headquarters is located in Changsha City, Hunan Province, a historical and cultural city in China.
Square meters of land area
100% factory pass rate
Square meters of land area
100% factory pass rate
Q
What is your typical delivery time?
A
Models in stock can be shipped the next day at the latest. All others are custom-made, with lead times generally ranging from 7 to 90 days depending on the product size and project specifics. Please contact our sales manager for details: 0731-88632200 。
Q
Do you have centrifugal pumps in stock?
A
Centrifugal pumps come in numerous models and configurations. Except for a small number of high-volume, standard models that are in stock, the vast majority are not stocked and are customized products. We need to select a pump based on your site's flow rate, head, media temperature, pH value, and installation conditions, etc., to determine the pump model and configuration before we can submit an order to the factory for production.
Q
What information should I provide when requesting a quote?
A
Generally, to obtain an accurate quotation, we recommend providing us with the following information: pump flow rate, head, on-site operating voltage and frequency, temperature, pH value, and solid particle content of the fluid being conveyed, and on-site installation conditions (horizontal or vertical installation), etc.
If you are not sure, don't worry, our business managers will assist you in determining this.
Q
What products do you mainly produce?
A
Zhonglian Pump Industry manufactures various large industrial centrifugal pumps. Main products include: self-balancing multi-stage pumps, multi-stage centrifugal pumps, single-stage centrifugal pumps, split-case pumps, chemical pumps, submersible pumps, pipeline pumps, long-shaft pumps, condensate pumps, etc.
Q
Why is it so slow to get a price quote?
A
Because centrifugal pumps are non-standard customized products with many models, the price range is also very large. Even for the same model, the price difference is also very large due to different materials and configurations. Taking the most common water pump accessory—the impeller—as an example, the price of a stainless steel impeller is several times that of a cast iron impeller. Therefore, we need to clarify the relevant information to give you an accurate price. Normally, if you provide relatively comprehensive information, we can quote within 5 minutes.
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