Shanghai Nuochuan Pump Co., Ltd., are specialized in manufacturing and marketing liquid ring vacuum pumps and compressors. Nuochuan’s liquid ring vacuum pumps include single stage water ring vacuum pumps, double stage water ring vacuum pump. Nuochuan also offer roots vacuum pumps and blowers, steam ejectors, water ejectors, air ejectors, dry screw vacuum pumps, Pitot pumps and vacuum package units.
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Double stage vacuum pump has many advantages than single stage vacuum pump:
1. Higher efficiency when vacuum 33~100mbarA
2. Lower cavitation possibility.
3. Can reach higher vacuum when the operating temperature is too high.
4. Suitable for Vacuum Package unit combined with roots vacuum pump and liquid ring vacuum pump.
5. Cast Iron, SS304, SS304L, SS316, SS316L, Duplex Stainless Steel, Ti, Hastelloy alloy materials available. Special materials on request.
6. Single mechanical seal, double mechanical seal available. API Plan 32, 53A, 54 available.
7. Flange connection
8. Suction capacity 10~3100m3/h, maximum vacuum 33mbarA
