- vacuum pump
- 2016-11-03 16:24
- vacuum pump ring vacuum pumps are suitable for pumping the gases and steam. Its suction pressure can reach 33mbar (abs)
- Coil Spring
- 2016-10-29 11:25
- A coil spring is an open helical metal spring that offers resistance to a compressive force applied axially. Coil spring
- compressor valve
- 2016-10-23 13:56
- Structural features:Compressor valve Use of retiform valve plate as the sealing element of gas valve;Design of guide rin