Sk-25 Single Stage Water Ring Vacuum Degassing Pump

August 10 07:32:06, 2025

Model NO.: SK-25
Motor Power: 55kw,45kw
Rotating Speed: 980rpm
Water Supply: 60-110L/Min
Inlet & Outlet Dimensions: 100mm
Weight: 926kg
Trademark: DVE
Transport Package: Wooden Case
Specification: CE MARK, ABB MOTOR, SPARE PARTS OF HIGH LEVEL
Origin: Zhejiang
HS Code: 8414100090

DESCRIPTION

The 2SK series two-stage liquid ring vacuum pumps are designed to operate efficiently like two sets of SK series water ring vacuum pumps. Due to the limitations of the SK series in achieving high vacuum levels (up to -700mmHg), the 2SK series was developed in the 1980s to meet the demands for higher vacuum and greater pumping speed under high vacuum conditions.
Sk-25 Single Stage Water Ring Vacuum Degassing Pump

ADVANTAGE

1. Compared with SK water vacuum pump, it achieves higher vacuum and pumping speed.
2. Simple structure and easy maintenance.
3. The primary working medium is water, resulting in low maintenance costs.
4. Widely used in various industries for handling water vapor, flammable, explosive, and gases containing small amounts of dust and liquid.
5. Operates effectively in harsh conditions.
 

FEATURES

1. The SK and 2SK series water ring vacuum pumps can exhaust both ordinary and condensable gases (such as water vapor). Their isothermal compression feature allows them to handle flammable and explosive gases. Pumps made from anti-corrosion materials can also be used for corrosive gases.
 
2. The 2YK series liquid ring vacuum pumps offer higher vacuum performance and broader applicability. Different types of gases can be pumped using suitable working media, making them ideal for a wide range of applications.
 
3. These pumps operate smoothly with low noise and energy consumption. They are 30% more energy-efficient compared to water jet and steam jet pumps.

WORK THEORY

Sk-25 Single Stage Water Ring Vacuum Degassing Pump
 

PARAMETER

Model Displacement
(m3/min) 		Ultimate Pressure
hPa     Torr 		Motor Power
 (kW) 		Rotating Speed
(rpm) 		Water Supply
(L/min) 		Inlet & Outlet
Dimensions (mm) 		Weight
(kg)
SK-0.5B 0.5 47     35 1.5 2900 8 25 45
SK-0.8 0.8 47     35 2.2 2900 10 40 60
SK-1.5 1.5 47     35 4 2900 15 40 75
SK-3 3 80     60  5.5 1450 25 50 153
SK-6 6 80     60  11 1450 35 50 210
SK-12 12 80     60  22 980 70 100 600
SK-12B 12 80     60  18.5 980 60 100 450
SK-25 25 80     60  45 980 70 100 900
SK-30 30 80     60  55 980 75 100 1200
SK-42 42 80     60 75 740 100 100 1500
2SK-2B 2 40     30 5.5 1450 20 50 185
2YK-2B 2 6.6    5 5.5 1450 20 50 185
2SK-3 3 40     30 7.5 1450 25 50 320
2YK-3 3 6.6    5 7.5 1450 25 50 320
2SK-6B 6 33     30 11 1450 35 50 370
2YK-6B 6 6.6    5 11 1450 35 50 370
2SK-12 12 33     25 22 980 70 80 850
2YK-12 12 6.6    5 22 980 70 80 850
2SK-25 25 33     25 55,45 980 60-110 100 926

APPLICATION
It can be applied to vacuum drying, vacuum degassing, vacuum concentration, vacuum evaporation, vacuum impregnation processes in chemical, pharmaceutical, metallurgy, food, medicine, textile, papermaking, electrical industry (electronic industrial field) and so on. It can compose a vacuum system together with Roots Vacuum Pump and atmospheric Jet pump to achieve high vacuum, high efficiency, low power consumption.

Regular Selection for Water(Liquid)Ring Vacuum Pump
1,Based on the vacuum value
(1)If the pump is operated for long time with the inlet pressure range between1.3×104~1×105Pa (between 100 and 760 Torr), please choose series SK Water Ring Vacuum Pump.
(2)If the pump is operated for long time with the inlet pressure range between5×103~1.3×104Pa (between40 and 100 Torr), please choose series 2SK Water Ring Vacuum Pump.
(3)If the pump is operated for long time with the inlet pressure range between1×103~1.3×104Pa (between8 and 100 Torr), please choose series 2YK 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 & chemical features; no chemical reaction with the pumped gas; no corrosion to the pump; no pollution to the environment.
(4) Economy

      If the water is selected as the working medium, the best temperature of supply water should be lower than or equal to 15 °C; the highest one should not be higher than 40°C. While the transformer oil or other low viscosity and saturated vapor pressure industrial oils are as the working media, the general supply temperature should not higher than 40°C and the working media temperature inside the pump chamber should not be higher than 60C, when the liquid with lower boiling point is selected as the working media under some special circumstances, the cooling unit must be equipped to cool down the working media in order to ensure that the max temperature is 30ºC-50ºC, lower than the boiling point. For the closed circulated system of working media, the liquid storage unit and cooler must be equipped, and the gas-liquid separator must be installed at outlet. The mechanical seal should be used for dynamic seal of the shaft.

3,Choose the dynamic seal of the shaft:
Choose the packing seal in general occasion; choose the mechanical seal when the pump is used in no leak occasion.

4,Choose the material of the part that the gas passed:

(1) For the non anti-corrosion pump, the shaft is made of 45#steel or 40Cr, other parts are made of cast Iron or brass;
(2) For the anti-corrosion pump, the parts that the gas passed, should be made of stainless steel 304 and 306, or other material suitable for the respectively corrosive gas, or the parts should be put with anti-corrosion coating.
 

5, The motor should be selected based on pumping pressure.

If the pump is used for vacuuming while transferring gas, the pressure of pump outlet exceeds the standard atmosphere pressure.
When the outlet pressure exceeds 0.15MPa, the special double-stages liquid ring compressor should be chosen and not the vacuum pump refitted. The power of the equipped motor

Airless Mist Sprayer Tube

An airless mist sprayer tube is a component of an airless paint sprayer that delivers paint or other liquids in a fine mist. It is a long, thin tube that connects the spray gun to the pump, and it is responsible for delivering the paint at high pressure to the nozzle. The tube is typically made of high-quality materials that can withstand the high pressure and corrosive nature of paint and other liquids. It is an essential part of the airless paint sprayer system and is used in a variety of applications, including painting walls, ceilings, and furniture.

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