ELSO Technologies Sdn Bhd
8E, First Floor,
Jalan Tun Dr. Awang,
Bukit Jambul,
11900 Bayan Lepas,
Penang, Malaysia.

Mr Loo (General Manager)
+6016-713 5255

Johor Branch
Lake View Apartment,
Jalan Austin Perdana 1,
Taman Austin Perdana,
81100 Johor Bahru,
Johor, Malaysia.

Chong CW (Sales Manager)
(WhatsApp or whatsapp call only) Oversea trip from
2/12 – 11/12/2019


Selangor Branch
Puchong, Selangor.

Glenys Teoh (Sales Manager)

East Malaysia Branch
Lot 35, Lot 5277,
Lorong 9C1, Jalan Kapor,
93150 Kuching,
Sarawak, Malaysia.

Clement Lau (Sales Engineer)

ELSO Technologies Pte Ltd
Singapore Branch

1 Coleman Street
#10-06 The Adelphi
179803 Singapore.

Chew Peng Seng  (Sales Manager)
+65 9663 8176

Vacuum Pump Isolation Valve (VPI)

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Vacuum Pump Isolation Valve (VPI) Dry Scroll Pumps Agilent Technologies

Agilent Vacuum Pump Isolation Valves (VPI) are electrically connected in parallel with the mechanical pump, and close rapidly when power is interrupted to prevent oil backstreaming or particle migration into your vacuum system. The valves also vent the pump from the inlet side to push any debris towards the outlet, preventing it from being swept into the system when pumping is restarted. The body design and right-angle configuration provide maximum conductance.
  • Reliable, repeatable seals with lock-over-center mechanism
  • Fast-acting, immediate protection of your vacuum system from oil or contaminant migration in case of power failure, valve closes in less than 30 milliseconds
  • Provides venting of the pump at the pump inlet, flow direction is maintained; oil/debris are not swept into the system
  • Remains closed until pump inlet pressure returns to system pressure for continued protection and easy restart
  • Operates with atmospheric pressure and is activated upon loss of electrical power, no compressed air required for operation
  • Provides maximum conductance, no reduction of pumping speed
Materials Body: 6061-T6
aluminum Piston: 2024
aluminum Seals: viton
Leak rate Body and seal: < 1 x 10-9 std cc/sec He
Closing time < 30 milliseconds
Power 7 watts @ 115 VAC
Conductance NW25 – 13 l/s NW40 – 33 l/s
Temperature range Valve: 0˚ to 100˚ C Solenoid 0˚ to 50˚ C
Product Number: VPI252205060
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