overview

Class A pressure regulator to EN 88 with integrated class A safety valve to EN 161 for safeguarding and control of the gas pressure in the gas burner lines, for gas and air,
pu max. 500 mbar,
with blue pilot lamp,
EC type-tested and certified,
VAD, VAG: ANSI/CSA and AGA approved,
VAD, VAG, VAH: FM approved,
VAD, VAG, VAV: UL approved,
VAD, VAG, VAV, VAH:
certified for systems up to SIL 3 and PL e.
VAD: universal pressure regulator,
VAG: air/gas ratio control for maintaining a constant gas/air ratio of 1:1,
VAH: flow rate regulator for maintaining a constant gas/air ratio for modulating-controlled and stage-controlled burners. The gas flow rate is controlled proportionally to the air flow rate,
VAV: variable air/gas ratio control for maintaining a constant gas/air pressure ratio of 3:1,
size: 1 to 3,
DN: 10 to 65,
connection: thread,
mains voltage: 24 V DC, 120 V AC or 230 V AC,
pd: max 100 mbar,
electrical connection: terminals.
The following versions are available:
valves with fitted bypass or pilot gas valve
valves with fitted pressure switches DG../VC.

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