SZ, SZ-G and SZB vacuum pumps and compressors
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SZ, SZ-G and SZB vacuum pumps and compressors
I. Overview
SZ, SZ-G and SZB water ring vacuum pump is a liquid ring vacuum pump with water as working liquid. It has the characteristics of simple structure, reliable operation, convenient operation and maintenance and wide application. It is suitable for pumping gas without solid particles, insoluble in water and within the temperature of -10℃-60℃. It is an ideal product for vacuum dehydration, vacuum drying, vacuum filtration and pressure delivery in papermaking, tobacco, food, textile, metallurgy, coal and chemical industries. Because the gas compression process in water ring pump is close to isothermal compression, it is especially used for pumping flammable and explosive gases.
SZ-3G SZB-8
SZ means water ring vacuum pump and compressor
S means water ring
3 means the design serial number of the pump
Z means vacuum pump
G means some performance research and upgrading products
B means suspension
8 means the flow rate (L/s) when the mercury column height is 520 mm
Ⅱ. Performance Parameter Table of SZ and SZ-G Water Ring Vacuum Pumps
|
Model |
Gas volume at different vacuum degrees ( m3/min) |
Limit vacuum degree |
Water consumption |
Revolving speed |
Motor power |
Quality |
||||
| % | L/min | r/min | kW | m | ||||||
| 0 KPa | -40.53 KPa | -60.8 KPa | -81.06 KPa | -91.19 KPa | Kg | |||||
| 0% | -40% | -60% | -80% | -90% | ||||||
| SZ-1 | 1.5 | 0.64 | 0.4 | 0.12 | / | 84 | 10 | 1450 | 4 | 140 |
| SZ-2 | 3.4 | 1.65 | 0.95 | 0.25 | / | 87 | 30 | 1450 | 11 | 150 |
| SZ-3 | 11.5 | 6.8 | 3.6 | 1.5 | 0.5 | 92 | 70 | 980 | 30 | 453 |
| SZ-4 | 27 | 17.6 | 11 | 3 | 1 | 93 | 100 | 730 | 75 | 975 |
| SZ-3G | 12 | 12 | 11.3 | 9.8 | 7.8 | 96 | 70 | 980 | 18.5 | 463 |
| SZ-4G | 34 | 33.7 | 31.5 | 28.1 | 17 | 93.33 | 100 | 730 | 55 | 975 |
IV. Performance Parameter Table of SZ and SZ-G Water Ring Compressors
|
Model |
Gas displacement under different pressures ( m3/min) |
Maximum working pressure |
Water consumption |
Revolving speed |
Motor power |
Quality |
||||
| KPa | L/min | r/min | kW | m | ||||||
| 0KPa | 49.03KPa | 78.45KPa | 98.07KPa | 147.1KPa | Kg | |||||
| SZ-1 | 1.5 | 1 | / | / | / | 100 | 10 | 1450 | 5.5 | 140 |
| SZ-2 | 3.4 | 2.6 | 2 | 1.5 | / | 140 | 30 | 1450 | 15 | 150 |
| SZ-3 | 11.5 | 9.2 | 8.5 | 7.5 | 3.5 | 210 | 70 | 980 | 37 | 453 |
| SZ-4 | 27 | 28 | 20 | 16 | 9.5 | 210 | 100 | 730 | 90 | 975 |
| SZ-3G | 12.4 | 9.92 | 9.16 | 8.09 | 3.77 | 205.94 | 70 | 960 | 45 | 463 |
| SZ-4G | 33.2 | 31.8 | 28.8 | 26.4 | 12.4 | 205.94 | 150 | 730 | 75 | 975 |
V. Performance Parameter Table of SZB Water Ring Vacuum Pump
|
Model |
Flow rate |
Mercury height |
Revolving speed |
Power |
Guaranteed vacuum |
Guaranteed vacuum |
Quality |
||
| Q | (mm) | n |
Shaft power |
Motor power |
（%） |
Gas displacement % |
m | ||
| m3/h | l/s | (r/min) | (L/s) | (Kg) | |||||
| SZB-4 | 19.8 | 5.5 | 440 | 1450 | 1.1 | 2.2 | 80 | 370 | |
| 14.4 | 4 | 520 | 1.2 | ||||||
| 7.2 | 2 | 600 | 1.3 | ||||||
| 0 | 0 | 650 | 1.3 | ||||||
| SZB-8 | 38.2 | 10.6 | 440 | 1450 | 1.9 | 3 | 80 | 600 | 45 |
| 28.8 | 8 | 520 | 2 | ||||||
| 14.4 | 4 | 600 | 2.1 | ||||||
| 0 | 0 | 650
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