1.Ever-Power Vacuum Pumps Co.,Ltd.
Manufacturer of: Vacuum pumps of spiral slice type, Rotary Piston vacuum pumps, Roots Vacuum pumps, Cas-Cooling Roots Vacuum pumps, Rotary Vane Vacuum Pumps, Water ring Vacuum Pumps,Reciprocating 
vacuum pumps and Vacuum valves and verify values and also other related vacuum products and procedure.
HangZhou Ever-PowerVacuum Pumps Co.,Ltd. We now have the strongest development potential of vacuum pumps and vacuum equipments technologic.
Enterprise has advanced layout, Advanced products, the biggest vacuum pumps test center in China, also has currently established the strict Q/C systemas per ISO9001 standard. You’ll find total 25 big series of vacuum equipment, Our merchandise are broadly utilized in departments of metallurgical, setting up products, petroleum, environmental, proteion, chemical, medicine, textiles, foods, aerospae, electronic, electrical power, nationwide defence industries and science research and so forth.
two.LIQUID (WATER) RING VACUUM PUMPS
Working principle and attributes:
To the series SK, 2SK, YK and 2YK liquid ring vacuum pumps, multi-vane impeller is fixed ecceentrically during the pump casing. Once the vanes rotate, the liquid while in the casing types a liquid ring which is concentric using the pump casing under the centrifugal impact, the cubage in between liquid and vanes have a periodic alter, so the perform of pumping be performed. Liquid ring vacuum pumps are of the functions of minimal power consumption and reduced noise. They will be used to pump water vapor, inflammable and explosive fuel at the same time as ordinary gases. With unique components applied for significant components, they could also pump corrosive fuel. Suitable actuating medium or often pumped medium may be picked as actuating liquids, so the pumps can practically take care of all broadly employed for light, chemical, food, electric power and pharmaceutical industries, etc.
