Vacuum pump specification and model notation
Aug 05, 2022| Vacuum pump specification and model notation
Domestic models of various mechanical vacuum pumps are usually represented by Chinese Pinyin letters. Chinese pinyin letters indicate the type of pump; The number before the letter represents the pump series, single stage "1" omitted; The number after the horizontal line after the letter indicates the pumping speed (L/S).
Domestic vacuum pump model comparison table
Model / type | Pump name | Model / type | Pump name |
W | reciprocating vacuum pump | H | slide-valve vacuum pump |
WY | Moving valve type reciprocating pump | YZ | trochoid vacuum pump |
WL | vertical reciprocation pump | ZJ | roots vacuum pump |
SZ | water ring pump | X | rotary-vane vacuum pump |
SZB | Cantilever structure water ring pump | F | molecular pump |
SZZ | Direct water ring pump | XZ | Direct rotary vane pump |
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