DeZurik APCO AVV-150 Manual de instruções - Página 12
Procurar online ou descarregar pdf Manual de instruções para Unidade de controlo DeZurik APCO AVV-150. DeZurik APCO AVV-150 13 páginas. Air/vacuum valve with optional csv surge check valve
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DeZURIK
APCO AVV-140/150 with CSV-1600 Option Slow Closing
Air/Vacuum Valves
Troubleshooting
Condition
Valve leaks at flange joint.
Valve leaks out of outlet port.
D12021
Possible Cause
Loose flange bolting.
Blown flange gasket.
Misalignment or damage to field
piping and supports.
Damaged flange face/s or
improper flange connections.
Dirty seat and/or float.
Worn seat and/or float.
Line pressure is under 10 psi
(70KPa).
Float linkage is dirty.
Page 12
Corrective Action
Tighten flange bolting.
Replace flange gasket.
Adjust misalignment or repair
piping or supports.
Repair flange, replace valve
body or adjust flange
connections.
Clean seat and/or float.
Replace seat and/or float.
Replace seat with softer seat.
Clean float linkage.
June 2019