I.Characteristics of Uses:
Providing vacuum conditionfor the processes ofevaporation, distillation, crystallization, drying, sublimation,
filtration and decompression, degassing and so on, particularly be suitable for labs and small scale test of
industries such as universities and colleges, scientific research
institutes, chemical industry, pharmacy, biochemistry, foodstuff,
pesticide, agricultural engineering, biological engineering.
1. Cyclically use water, save the precious water resources.
2. Save more than 35% of electricity than other type of vacuum
3. The fluid muffler purposemade can reduce the gas in water and
make the vacuum degree higher and more stable; reduce the friction
between gas and fluid, reduce the noise.
4.Double-tap, double-display, can be used alone or in parallel.
5.Resist corrosion by acid, alkali and solvents.
6. The special machine is made by the famous electric manufacture
ODM with fluorine rubber sealing, the inner of which can’t be
intruded by corrosive gas.
7. Need to replace the water in the flume regularly to ensure the
purity of water quality, the vacuum degree and to avoid dirt
8. Can be used toextract corrosive gas, need to shorten the period of water changing.
- SHB-Ⅲ: shell, flume, ejector, tee junction, check valve and
gas-extraction nozzle adopt the PP material; pump body and
impeller(six flow passages, dual seal) adopt stainless steel plate
pressing, the material is in accordance with the ANSI standard.
- SHB-ⅢA: ejector and gas-extraction nozzle adopt stainless steel
material (ANSI standard), the rest is the same as SHB-Ⅲ.
- SHB-ⅢS: pump body adopts the PP material, which is more suitable
for acid gas, the rest is the same as SHB-Ⅲ.
- SHB-ⅢT: lucid flume is convenient for observe water level and water
quality, the rest is the same as SHB-ⅢA.
Chiller(DL-400) /500ml~2L Rotary Evaporator(R-1001-VN) / Vacuum
Single Tap Air Sucking Amount(L/min)
Single Tap Air Sucking Amount(A)
Capacity of water storage tank(L)
Materials of Water Tank
1 year warranty, timely supply capacity,timely troubleshooting and
Zhengzhou Greatwall Scientific Industrial and Trade Co.,Ltd was
established in 1988.
Company products:Multiple-use circulating water vacuum pump, diaphragm vacuum pump,
industrial chiller, rotary evaporator,glass reactor, magnetic
stirrerand other scientific experimental instrument and industrial related