Changsha Zhonglian Pump Industry Co., Ltd.

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Having 26 series -312 varieties - over 1000 pump models

Focused on water pump research and development manufacturing for 36 years

Free training for operation and maintenance personnel/free installation guidance/free provision of installation drawings

Self-balancing multistage pump

Multistage pump

Coal Mine Safety Certified Multi-stage Pump

Vertical multistage pump

Integrated pump station

Vacuum pump

Fire pump

Constant-pressure water supply equipment

Other pumps

Genuine accessories

YCB Arc Gear Oil Pump

Traffic: 0.6–80 m³/h

Head: 20-125m

Power: 0.75-30kw

Efficiency: 32%-72%

Rotational speed: 910-1750r/min

Cavitation margin: 5.0-7.0m

Price: 9,800–99,800

The YCB-type arc gear oil pump is suitable for conveying lubricating oils or other liquids with properties similar to lubricating oils—liquids that are free of solid particles and fibers, non-corrosive, with temperatures not exceeding 180℃, and viscosities ranging from 5 to 1500 cSt. This series also offers a variant made of precision-cast stainless steel, which is ideal for handling corrosive media and can convey non-lubricating oils, beverages, and corrosive liquids. When equipped with copper gears, the pump can handle low-flashpoint liquids such as gasoline and benzene. In addition to being fitted with standard electric motors, this series of pumps...

Hotline:

+86 0731-88632200

classification：

Oil pump

keyword：

Horizontal Single-Stage Fire Pump

Product consultation

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Product overview Product parameters Why choose us? Frequently Asked Questions

Product Overview

The YCB-type arc gear oil pump is suitable for conveying lubricating oils or other liquids with similar properties—free of solid particles and fibers, non-corrosive, with temperatures not exceeding 180℃, and viscosities ranging from 5 to 1500 cSt—as well as for use in hydraulic transmission systems. Its flow rate ranges from 0.6 to 60 cubic meters per hour, and its pressure rating is between 0.6 and 2.5 MPa. The pump is equipped with a safety relief valve that provides overload protection; the full-return pressure of the relief valve is 1.5 times the pump’s rated discharge pressure. This series also offers a variant made of precision-cast stainless steel, which is ideal for handling corrosive media and can convey non-lubricating oils, beverages, and corrosive liquids. When paired with copper gears, the pump can handle low-flashpoint liquids such as gasoline and benzene. In addition to being equipped with standard motors, the YCB-type gear oil pump can also be fitted with explosion-proof motors of the same specifications according to customer requirements. The pump consists of a pump body, pump cover, seals, steel sleeves, a safety relief valve, and other components. It features a simple structure and exceptional durability.

The YCB gear oil pump adopts a tooth profile that is a combination of arc and sine curves. Compared with conventional gear pumps, it boasts advantages such as small pressure pulsation, low noise, high efficiency, and long service life. By breaking free from the constraints of traditional designs, this arc gear pump has opened up a new frontier in design, manufacturing, and application.

Product Parameters

Parameter Range of YCB Arc Gear Oil Pumps

Material >> HT200

Flow rate >> 0.6 m³/h – 50 m³/h

Pressure >> 0.6 MPa - 1.6 MPa

Viscosity >> 5 cSt – 1500 cSt

Sealing Method >> Packing Seal (Mechanical Seal Optional)

Caliber >> From 6-point caliber to 150mm caliber

Application of YCB Arc Gear Oil Pumps

Made of cast iron, suitable for conveying fluid media with lubricity (free of solid particles) under typical industrial operating conditions.

Made of stainless steel, this product is suitable for conveying corrosive fluid media (excluding solid particles) in industrial applications, and is also appropriate for conveying fluid media with hygienic standards required in food processing environments.

Explosion-proof material, suitable for conveying flammable and explosive fluids (excluding solid particles) in industrial environments.

1: Can be used as a transfer and booster pump in oil transmission systems.

2: In oil transfer systems, it can be used as an ignition oil pump for conveying, pressurizing, and spraying.

3: It can be used as a lubricating oil pump in all industrial fields.

Structural Features and Composition of the YCB Arc Gear Oil Pump

The gear teeth of the YCB-type arc-tooth oil pump feature a double-arc sinusoidal profile. Compared to involute gears, this design boasts several outstanding advantages: during gear meshing, there is no relative sliding between the tooth profiles, resulting in zero wear on the tooth surfaces, smooth and balanced operation, elimination of fluid trapping, low noise levels, extended service life, and high efficiency. The YCB-series arc-tooth gear pumps have broken free from the constraints of traditional designs, opening up a new frontier in the design, manufacturing, and application of gear pumps and making them a next-generation replacement for involute gear pumps.

Structural composition:

This series of arc-gear oil pumps primarily consists of gears, shafts, a pump body, an overflow valve, and shaft-end seals. The gears undergo heat treatment to achieve high hardness and strength, and they rotate together with the shafts inside replaceable bushings. All components within the pump are automatically lubricated during operation by utilizing the pumped medium itself.

The YCB gear oil pump is equipped with a relief valve for overload protection. The full-flow pressure of the relief valve is 1.5 times the pump’s rated discharge pressure; it can also be adjusted separately within the allowable discharge pressure range according to actual needs. However, please note that this relief valve is not suitable for continuous operation as a pressure-reducing valve. If such function is required, a separate pressure-reducing valve should be installed on the pipeline instead.

Note: The pressure relief valve is designed to protect the generator. During pump operation, when the pressure inside the pump chamber exceeds the set pressure by 1.5 times, the relief valve automatically activates, causing the conveyed medium to flow back into the pump chamber, thereby preventing the generator from operating under overload conditions.

The shaft-end seal design for the YCB arc gear pump comes in two types: mechanical seal and packing seal. Users can select the type that best meets their requirements.

The pump is equipped with well-designed oil-drain and oil-return grooves, which reduce the torque acting on the gears during operation. As a result, the bearing load is low, wear is minimized, and the pump efficiency is high.

When viewed from the extended end of the main shaft, the rotation is clockwise.

The YCB arc-tooth gear pump has a service life 2 to 3 times longer than that of a conventional gear pump. The key difference lies in the gear design: the YCB pump features arc-shaped gears, where the meshing between the gear teeth and tooth roots occurs through smooth, gradual transitions along two arcs, completely eliminating any dead points or jamming phenomena. As a result, the YCB pump boasts an exceptionally long service life. In contrast, conventional gear pumps use helical gears with involute tooth profiles. During normal operation, the sharp corners at the tips of these gears collide with and wear against the corresponding tooth roots, causing trapped fluid pockets to form around the gear roots. This leads to significant noise during operation and adversely affects the service life of the conventional gear pump.

Friendly reminder: For more performance parameters of the YCB-type arc gear oil pump, please click → [Water Pump Selection] 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.

41000 m²

Square meters of land area

100 %

100% factory pass rate

41000 m²

Square meters of land area

100 %

100% factory pass rate

What is your typical delivery time?

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 。

Do you have centrifugal pumps in stock?

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.

What information should I provide when requesting a quote?

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.

What products do you mainly produce?

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.

Could you help me with the selection?

Certainly! If the water pump model is not selected accurately, there will be big problems. If you choose a smaller one, it won't meet your needs; if you choose a larger one, it will waste electricity and fuel, increasing your costs.

Why is it so slow to get a price quote?

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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+86 0731-88632200

Export Trade/Technical Support:

+86 153-4831-2290

Head Office Email:

zoomlian@yeah.net

No. 210, Huanbao Zhong Road, Yuhua District, Changsha City, Hunan Province, Leowoju Wisdom Valley Building B, 8th Floor

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Self-balancing multistage pump

Multistage pump

Coal Mine Safety Certified Multi-stage Pump

Vertical multistage pump

Integrated pump station

Vacuum pump

Fire pump

Constant-pressure water supply equipment

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Genuine accessories

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