- Vacuum Pump Valve
- 2016-11-06 02:05
- Ultra-high vacuum inserted valve suitable for high vacuum andultra-high vacuum system, used to cut off and on air, is on
- liquid ring vacuum pump
- 2016-11-03 03:59
- 2BV series water ring vacuum pump is suitable for pump air with water vapor, inspiratory pressure can reach 33mbar absol
- Non-Negative Pressure Water Supply System
- 2016-10-31 05:54
- 1. No negative pressure (no suction) automatic water supply equipment directly use the municipal pipeline network as wat