your best partner for vacuum

Venting valve

The EVT series Turbo Molecular Vacuum Pumps are the top range from KYKY

Eurovacuum is the designated sales and service point for Turbo molecular pumps manufactured by KYKY Technology Development Ltd. from Beijing in China. These pumps are build for excelent quality. To proof there quality these pumps are supplied with a 18 month warranty, the best standard warranty in the business. The pumps are the ideal solution for applications requiring rugged reliable and proven hardware.

They are having the following advantage to the users:

  • 18 month warranty
  • Very good price/quality level
  • High pumping speed
  • Low noise level
  • Wide range of accessories available for easy adaptation

Part number

Ordering information Art.No.
Venting Valve WIM010-A; Normally Open; 220-250VAC, 50/60Hz 250-851
Venting Valve WIM010-A; Normally Open; 115VAC, 50/60Hz 250-852
Venting Valve WIM010-A; Normally Open; 24VDC 250-850


Specification Unit AC-type DC-type
Vacuum connections DN 10 KF DN 10 KF
Venting time for 50 ltr vessel sec 270 270
Service life cycles 3.000.000 3.000.000
Tightness mbar·l/s 1x10E-7 1x10E-7
Opening time ms 30 30
Closing time ms 30 30
Ambient temperature °C 0 – 50 0 – 50
Nominal power Pickup W / VA – / 5 2,5 / –
Nominal power Holding W / VA – / 3,7 2,5 / –
Protection class IP 65 IP 65
Switching frequency l/min 60 60
Housing Alimunium Aluminium
Weight kg 0,1 0,1