Used Oil Refining Water/Liquid Ring Vacuum Degassing Pump

DESCRIPTION The 2SK Series Two-Stage Liquid Ring Vacuum Pumps are designed to perform efficiently, similar to two SK series water ring vacuum pumps. While the SK series pumps can only achieve a maximum vacuum of -700mmHg, the 2SK series was developed in the 1980s in China to meet the demand for higher vacuum and larger pumping speed under high vacuum conditions.

ADVANTAGE 1. Compared with the SK water vacuum pump, it offers higher vacuum and greater pumping speed. 2. It has a simple structure and is easy to maintain. 3. The primary working medium is water, resulting in low maintenance costs. 4. The pump is widely used across various industries and can handle water vapor, flammable, explosive gases, and gases containing small amounts of dust and liquid. 5. It operates effectively in harsh conditions. FEATURES 1. The SK and 2SK series water ring vacuum pumps can exhaust both ordinary gases and condensable gases (such as water vapor). Due to their isothermal compression characteristics, they are suitable for handling flammable and explosive gases. If made from anti-corrosion materials, they can also be used for corrosive gases. 2. The 2YK series liquid ring vacuum pumps offer even higher vacuum levels and better adaptability. By selecting appropriate working media, different types of gases can be pumped, making them applicable in a broader range. 3. These pumps operate smoothly with low noise and energy consumption. They are 30% more energy-efficient compared to water jet and water vapor jet pumps. PARAMETER APPLICATIONS This pump is widely used in vacuum drying, vacuum degassing, vacuum concentration, vacuum evaporation, and vacuum impregnation processes in industries such as chemicals, pharmaceuticals, metallurgy, food, medicine, textiles, papermaking, and electronics. It can be combined with Roots Vacuum Pumps and atmospheric jet pumps to create a vacuum system that achieves high vacuum, high efficiency, and low power consumption.
Regular Selection for Water/Liquid Ring Vacuum Pump 1. Based on the vacuum value (1) For long-term operation with inlet pressure between 1.3×10^4~1×10^5 Pa (between 100 and 760 Torr), choose the SK series water ring vacuum pump. (2) For long-term operation with inlet pressure between 5×10^3~1.3×10^4 Pa (between 40 and 100 Torr), choose the 2SK series water ring vacuum pump. (3) For long-term operation with inlet pressure between 1×10^3~1.3×10^4 Pa (between 8 and 100 Torr), choose the 2YK series liquid ring vacuum pump. 2. Working Media There are four principles to choose working media (i.e., ring liquids): (1) Lower saturated steam pressure (2) Lower viscosity (3) Stable physical and chemical properties; no chemical reaction with the pumped gas; no corrosion to the pump; no pollution to the environment. (4) Economy If water is selected as the working medium, the best supply water temperature should be below or equal to 15°C; the highest should not exceed 40°C. When using transformer oil or other low viscosity and low saturated vapor pressure industrial oils, the general supply temperature should not exceed 40°C, and the working medium temperature inside the pump chamber should not exceed 60°C. When using a liquid with a lower boiling point as the working medium under special circumstances, a cooling unit must be equipped to cool the working medium to ensure the maximum temperature is between 30°C and 50°C, lower than the boiling point. For closed circulation systems, a liquid storage unit and cooler must be equipped, and a gas-liquid separator must be installed at the outlet. A mechanical seal should be used for the shaft dynamic seal. 3. Choose the dynamic seal of the shaft: Use packing seal in general occasions; use mechanical seal when the pump is used in a non-leakage situation. 4. Choose the material of the part that the gas passed: (1) For non-anti-corrosion pumps, the shaft is made of 45# steel or 40Cr, and other parts are made of cast iron or brass. (2) For anti-corrosion pumps, the parts that the gas passed should be made of stainless steel 304 and 306, or other materials suitable for the respective corrosive gas, or the parts should be coated with anti-corrosion coatings. 5. The motor should be selected based on the pumping pressure. If the pump is used for vacuuming while transferring gas, the pressure at the pump outlet exceeds the standard atmospheric pressure. When the outlet pressure exceeds 0.15MPa, a special double-stage liquid ring compressor should be chosen instead of a vacuum pump. The power of the equipped motor should be significantly increased. Special gas-liquid separators and auto-drain units should also be equipped. When the outlet pressure is below 0.15MPa, the vacuum pump can be refitted as a compressor. The power of the equipped motor should be appropriately increased. 6. Composition methods of the water ring vacuum pump system: An open circulation system should be used if the working liquid in the outlet does not need to be circulated or partially circulated. A closed circulation system should be used if the working liquid in the outlet must be circulated.



Sea Port: Ningbo/Shanghai, China Standard: CE Mark, Spare Parts Of High Level Delivery: Normally according to our factory production schedule, but we can follow your first order time Warranty: If the pump appears quality problems, free replacements of spare parts will be offered within one year WE CAN PROVIDE YOU 1. On-time Delivery, with More Choice 2. Perfect Technical Support 3. Customized Vacuum Solutions and Service 4. Samples Available 5. Long Quality Guarantee 6. Fast Response to Customers' Feedback in 12 hours DEVELOPMENT VACUUM EQUIPMENT CO., LTD ADD: DONGGANG INDZONE, TAIZHOU, ZHEJIANG, CHINA PC: 317106 TEL: +86-576-83598308 FAX: +86-576-83598309

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