We are professional manufacturer for Rotary vane vacuum pump, our Rotary vane vacuum pump is with high and stable quality, and we have made many water pump solutions for many customers.
Rotary vane vacuum pump
1. Impact instructure2
2. Small volume
3. Low noise
2SK Liquid Ring Vacuum Pump
Model: SK, 2SK, SZ, SZB
Water ring vacuum pump
XD, 2X, 2XZ, 2XZ-B
Slice type vacuum pump
Application: Air, Gas
Capacity range: 1.35~108m3/min
Limited vacuum range: -98~5PA
Caliber range: 10~300mm
Power-range: 0.37~185kW
Max medium temperature: 70° C
Material: Cast iron, Aluminium alloy, Stainless steel
Technical parameters:
2SK series double-stage liquid ring vacuum pump
Type suction amountm3/min utmost pressure power(kw) rotary speed(r. P. M) (L/min) caliber of the suction port and drain port
Max Pressure/
0.093Mpa mmHg MPa
2SK-1.5 1.5 0.9 -730 -0.097 4 1440 1015 φ 40
2SK-3 3 2 -735 -0.098 7.5 1440 1520 φ 40
2SK-6 6 4 -735 -0.098 15 1460 2535 φ 70
2SK-12 12 8 -735 -0.098 22 970 4050 φ 100
2SK-30 20 14 -735 -0.098 45 740 6080 φ 125
2SK-30 30 20 -735 -0.098 55 740 7090 φ 125
2SkP1 series double-stage liquid ring vacuum pump------air ejecting pump unit
Type suction amountm3/min utmost pressure power(kw) speed flow pump body material
Pressure=0.093Mpa(-700mmHg)
MmHg MPa
2SK-1.5P1 1.05 0.9 0.75 -750 -0.099 4 1440 1015 stainless steel
2SK-3P1 2.1 1.8 1.5 -750 -0.099 7.5 1440 1520 stainless steel
2SK-6P1 4.2 3.6 3 -750 -0.099 15 1460 2535 stainless steel
2SK-12P1 8.4 7.2 6 -750 -0.099 22 970 4050 stainless steel
2SK-20P1 14 12 10 -750 -0.099 45 740 6080 stainless steel
2SK-30P1 21 18 15 -750 -0.099 55 740 7090 stainless steel
Note: 1. The value in the table is obtained under the following condition: Air pressure is 0.1013Mpa760mmHg; Inlet water temperature is 20; Relative air humidity is 70.2. The value is obtained when the supplied water amount is the suction pressure 0.05Mpa(400mmHg). It can be bigger than this when it reaches utmost vacuum. 3. The performance difference will not exceed ± 10
Model | SZ-20 | SZ-40 | SZ-63 | SZ-100 | SZ-160 | SZ-250 | SZ-360 | SZG-8 |
(m3/h) Pumping Speed |
20 | 40 | 63 | 100 | 160 | 250 | 360 | 38.2 |
≤ (Pa) Ultimate Pressure |
4× 10 3 | 4× 10 3 | 4× 10 3 | 4× 10 3 | 4× 10 3 | 6.7× 10 3 | 6.7× 10 3 | 1.47× 1.4 |
 (Kw) Motor Power |
1.5 | 2.2 | 3 | 4 | 7.5 | 11 | 15 | 3 |
(rpm) Rotational Speed |
2840 | 2840 | 2880 | 2890 | 2900 | 1460 | 1460 | 1450 |
(m3/h) Flow of Suplying Water |
0.2 | 0.23 | 0.28 | 0.45 | 0.72 | 1.2 | 1.5 | 0.25 |
Inlet (Outlet) Diameter |
G1" | G1" | G1 1 /2" | G1 1 /2" | G1 1 /2" | Φ 100 | Φ 100 | 1" |
 (Kg) Weight |
42 | 48 | 73 | 85 | 118 | 378 | 430 | 64 |
We are professional manufacturer for Rotary vane vacuum pump, our Rotary vane vacuum pump is with high and stable quality, and we have made many water pump solutions for many customers.
Rotary vane vacuum pump
1. Impact instructure2
2. Small volume
3. Low noise
2SK Liquid Ring Vacuum Pump
Model: SK, 2SK, SZ, SZB
Water ring vacuum pump
XD, 2X, 2XZ, 2XZ-B
Slice type vacuum pump
Application: Air, Gas
Capacity range: 1.35~108m3/min
Limited vacuum range: -98~5PA
Caliber range: 10~300mm
Power-range: 0.37~185kW
Max medium temperature: 70° C
Material: Cast iron, Aluminium alloy, Stainless steel
Technical parameters:
2SK series double-stage liquid ring vacuum pump
Type suction amountm3/min utmost pressure power(kw) rotary speed(r. P. M) (L/min) caliber of the suction port and drain port
Max Pressure/
0.093Mpa mmHg MPa
2SK-1.5 1.5 0.9 -730 -0.097 4 1440 1015 φ 40
2SK-3 3 2 -735 -0.098 7.5 1440 1520 φ 40
2SK-6 6 4 -735 -0.098 15 1460 2535 φ 70
2SK-12 12 8 -735 -0.098 22 970 4050 φ 100
2SK-30 20 14 -735 -0.098 45 740 6080 φ 125
2SK-30 30 20 -735 -0.098 55 740 7090 φ 125
2SkP1 series double-stage liquid ring vacuum pump------air ejecting pump unit
Type suction amountm3/min utmost pressure power(kw) speed flow pump body material
Pressure=0.093Mpa(-700mmHg)
MmHg MPa
2SK-1.5P1 1.05 0.9 0.75 -750 -0.099 4 1440 1015 stainless steel
2SK-3P1 2.1 1.8 1.5 -750 -0.099 7.5 1440 1520 stainless steel
2SK-6P1 4.2 3.6 3 -750 -0.099 15 1460 2535 stainless steel
2SK-12P1 8.4 7.2 6 -750 -0.099 22 970 4050 stainless steel
2SK-20P1 14 12 10 -750 -0.099 45 740 6080 stainless steel
2SK-30P1 21 18 15 -750 -0.099 55 740 7090 stainless steel
Note: 1. The value in the table is obtained under the following condition: Air pressure is 0.1013Mpa760mmHg; Inlet water temperature is 20; Relative air humidity is 70.2. The value is obtained when the supplied water amount is the suction pressure 0.05Mpa(400mmHg). It can be bigger than this when it reaches utmost vacuum. 3. The performance difference will not exceed ± 10
Model | SZ-20 | SZ-40 | SZ-63 | SZ-100 | SZ-160 | SZ-250 | SZ-360 | SZG-8 |
(m3/h) Pumping Speed |
20 | 40 | 63 | 100 | 160 | 250 | 360 | 38.2 |
≤ (Pa) Ultimate Pressure |
4× 10 3 | 4× 10 3 | 4× 10 3 | 4× 10 3 | 4× 10 3 | 6.7× 10 3 | 6.7× 10 3 | 1.47× 1.4 |
 (Kw) Motor Power |
1.5 | 2.2 | 3 | 4 | 7.5 | 11 | 15 | 3 |
(rpm) Rotational Speed |
2840 | 2840 | 2880 | 2890 | 2900 | 1460 | 1460 | 1450 |
(m3/h) Flow of Suplying Water |
0.2 | 0.23 | 0.28 | 0.45 | 0.72 | 1.2 | 1.5 | 0.25 |
Inlet (Outlet) Diameter |
G1" | G1" | G1 1 /2" | G1 1 /2" | G1 1 /2" | Φ 100 | Φ 100 | 1" |
 (Kg) Weight |
42 | 48 | 73 | 85 | 118 | 378 | 430 | 64 |
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