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SK Direct-Coupled Water Ring Vacuum Pump

Operating Parameters 1. Flow Rate: 0.4–1.5 m³/h 2. Speed: 2850/2860/2900 r/min 3. Power: 1.5–4 KW

Commodity name： SK Direct-Coupled Water Ring Vacuum Pump

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Description

SK Direct-coupled Water Ring Vacuum Pump Product Details

1. Product Overview

The SK direct-coupled water ring vacuum pump is an industrial universal isothermal safety dual-function fluid equipment, integrating vacuum suction and gas compression functions. It is specially designed for negative pressure forming and positive pressure gas supply of closed containers. It can stably process air and various non-corrosive, water-insoluble and particle-free process gases. Different from most precision vacuum pumps that are sensitive to moisture and impurities, this pump allows a small amount of liquid medium mixed in the intake gas, perfectly adapting to complex industrial working conditions with moisture and condensed water.

Its core industrial advantage is the full-process isothermal compression technology. No temperature rise or heat accumulation occurs during gas suction and compression, fundamentally avoiding combustion and explosion risks when handling flammable and volatile gases, with far higher safety performance than conventional mechanical vacuum pumps. During operation, compression heat heats the working water, and part of the water is lost with exhaust gas. Equipped with a dynamic water supply cooling system, it stabilizes the water ring sealing performance through continuous cooling and water compensation, ensuring long-term continuous and stable operation. Widely applicable in petroleum, chemical, pharmaceutical, light industry, metallurgy and other industries for its high safety, high fault tolerance and high stability.

2. Core Product Advantages

Isothermal Compression for High-risk Working Condition Safety

Abandoning the high-temperature compression defect of traditional vacuum pumps, the pump realizes full-process isothermal compression based on water ring heat exchange and sealing principle, without heat accumulation and temperature surge during operation. When suctioning and compressing flammable, explosive and volatile process gases, it will not cause fire and explosion hazards due to high temperature. It meets high-risk process safety standards without complex explosion-proof accessories, serving as the preferred vacuum and pressurization equipment for chemical and pharmaceutical special working conditions.

Liquid-containing Intake Design with High Moisture Tolerance

Adapted to common industrial working conditions with water vapor, condensed water and tiny liquid droplets, the pump features excellent condition adaptability. It allows a small amount of liquid mixed in intake gas without pump jamming, vacuum attenuation and performance failure. It completely solves the pain points of ordinary vacuum pumps such as poor moisture resistance and frequent failures, perfectly suitable for wet processes including vacuum dehydration and material concentration.

Integrated Direct-coupled Structure, Low Consumption & Minimal Maintenance

Adopting motor direct-coupled integrated transmission design without vulnerable transmission parts such as belts and chains, it achieves high transmission efficiency and low power loss. The whole machine features compact structure, small footprint, low vibration and low noise during operation. It eliminates slipping, aging, abnormal noise and frequent accessory replacement problems of traditional transmission structures, with extremely low failure rate. Daily maintenance only requires regular water supply inspection, realizing zero-threshold operation and adapting to long-term continuous mass production.

Dynamic Water Supply & Pressure Stabilization for 24-hour Continuous Operation

To solve water ring failure and vacuum decline caused by water temperature rise and water loss during operation, the pump supports uninterrupted dynamic water supply. Continuous water supply instantly takes away compression heat and compensates water loss, always maintaining standard water ring thickness and sealing performance. It effectively avoids cavitation, unstable negative pressure and working condition attenuation, realizing all-weather uninterrupted stable operation.

Dual-function of Vacuum & Compression for Multi-process Adaptation

Integrating negative pressure suction and positive pressure compression functions, it can not only vacuumize closed containers for negative pressure degassing, vacuum forming and negative pressure drying, but also pressurize and deliver clean process gas for stable pressure gas supply. One single equipment replaces the matching of vacuum pump and compressor, greatly reducing equipment procurement, installation and operation costs with excellent universality and cost performance.

3. Working Principle

The impeller is directly driven by the motor to rotate at high speed. Pre-stored clean water inside the pump cavity is driven by the rotating impeller to fit the inner wall of the cavity and form a stable closed water ring, constructing closed air chambers with periodically variable volume. During impeller rotation, the air chamber volume gradually expands to reduce internal air pressure and complete stable suction of external process gas. With continuous rotation, the air chamber volume shrinks continuously, and the internal gas is compressed isothermally with rising air pressure, finally realizing gas discharge or positive pressure pressurized delivery.

During continuous operation, heat generated by gas compression increases the temperature of working water, and a small amount of water is lost with exhaust gas, easily causing water ring sealing failure and vacuum decline. Continuous cold water supply realizes real-time cooling heat exchange and water compensation, stabilizes the working state of the water ring, and maintains efficient and constant air suction and compression performance to ensure continuous and stable technological processes.

4. Application Scenarios

With the differentiated advantages of isothermal explosion-proof performance, moisture and liquid resistance, continuous stable operation, dual functions and minimal maintenance, the pump accurately adapts to various conventional, high-risk and humid industrial processes, covering core production scenarios in multiple industries.

Petrochemical Industry: Suction and compression of flammable and volatile gases, reactor negative pressure stabilization, pipeline degassing, and vacuum treatment of wet chemical materials. The isothermal and non-high-temperature feature ensures safe and stable production of high-risk chemical processes.

Pharmaceutical, Food & Light Industry: Vacuum defoaming and concentration of pharmaceutical products, vacuum crystallization of sugar products, negative pressure dehydration of food materials, and stable gas supply of sterile process gas. It operates without oil pollution, meeting high safety and cleanliness production standards of food and pharmaceutical industries.

Metallurgy, Machinery & Printing and Dyeing Industry: Furnace negative pressure evacuation, mechanical workpiece vacuum adsorption and fixation, fabric negative pressure dehydration, and pipeline vacuum pretreatment of production lines. It adapts to humid and vapor-rich working conditions with stable and reliable continuous operation.

General Industrial Supporting: Vacuum forming of closed tanks, equipment negative pressure water diversion, process gas pressurized delivery and workshop general vacuum source supporting, with strong adaptability to most industrial conventional negative pressure and positive pressure processes.

5. Working Conditions & Operation Specifications

Applicable Media: Suitable for air and various non-corrosive, water-insoluble and particle-free process gases. Intake gas mixed with a small amount of liquid medium and condensed water vapor is acceptable. It can safely handle flammable, explosive and volatile gas media.

Operation Specifications: Uninterrupted water supply is mandatory for long-term continuous operation to realize real-time cooling and water compensation, preventing overheating, water ring failure and vacuum attenuation. It is prohibited to extract gases containing solid dust, particles and strong corrosive components to avoid pump cavity wear, corrosion and sealing damage, ensuring long-term stable equipment operation.

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Company Information

Hebei Xingou Machinery Equipment Co., Ltd., is a large-scale slurry pump manufacturing enterprise. Xingou provides slurry pump and special alloy parts that feature a high performance and a wearing and corrosion resistance. First established in 1998, we now own three production bases with a dredge pump, desulphurization pump and slurry pump production base located in Shijiazhuang Development Zone, covering 46000 square meters.
Xingou can complete the research and development of new products, due to our self-owned pump test station, which carries out tests with extreme accuracy to ensure all pumps meet international standards, and allow us to offer only the best products and materials to meet different operating conditions. We have a large mold database that includes a full range of advanced aluminum molds used to produce various industrial pump castings. Our company has an extensive inventory of standard pieces, allowing us to keep a delivery period to within 10 days of the order being placed. If standard products don’t meet your needs, supply us with special design drawings, and we will carry out custom OEM orders for even the most advanced EPC casing line. We work with numerous well-known domestic names, including the Waterway Bureau, mining companies, desulphurization companies and more, as well as partnerships with international corporation customers.
Our product line includes pumps and accessories, and OEM services, and has been sold around the world to customers from North and South America, Africa, Russia, Europe and Southeast Asia. Come check us out today, and let Xingou show you what we have to offer for all of your slurry pump needs.

Our Services

1. Processing with supplied drawing

2. Processing with supplied samples

3. Produce all kinds of anti abrasive spare parts except for pump

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