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CONTROLL.TENUTA A4021A 110V BLUE
CONTROLL.TENUTA A4021A 110V BLUE

CONTROLL.TENUTA A4021A 110V BLUE

0
0
5
USD485.00
USD557.40
USD72.40(13%)
Estimated Lead Time : 8 - 10 weeks.
A4021A1010
Honeywell
  • : 1

NII REF No : IP111911121119
  • Estimated Lead Time: 6-8 Weeks

  • Manufacturer: Honeywell

  • Controll.Tenuta A4021A 110v blue

  • Honeywell Valve proving system A4021

  • The A4021 is a self-checking microprocessor based Valve Proving System (VPS).

  • The A4021 checks the effective closure of automatic shut-off valves by measuring the pressure. differential between two valves during the test sequence.

  • The A4021 is specially designed to be used as proving system to check the effective closure of the valves before burner start up (pre-configuration) or at the end of a heat demand (post-configuration).

  • Approvals: CE approved (50Hz) according EN1643 (PIN: CE-0063AS1822)

  • Protection class: IP40, only with subbase ZL030001

  • Ambient temperature: -10...60C

  • Maximum humidity: 95%rh

  • Remote reset.

  • Alarm output potential free NO contact.

  • Uses the NO contact of a standard gas pressure switch, that is set to 1/2x the nominal inlet pressure.

  • Suggested gas pressure switches: C6097 series C60VR40xxx series

  • Outputs: 1xSPST

  • Operation: Automatic

  • Runtime: 60s

  • Comment: Test time per valve 25sec.

  • Shipping Weight: 2 Kg

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