Model h 2 and h 3 air pressure maintenance device.
Air pressure maintenance device model d 2.
Globe s model h 1 air pressure maintenance device is an automatic field adjustable device of the pressure reducing type.
Model amd 2 air maintenance device with pressure switch model amd 2 air maintenance device is used for automatic operation in conjunction with a dedicated fire protection air compressor that does not have a pressure switch installed such as our l series base mounted lubricated units.
The h 1 is utilized in applications where there is a compressed air or nitrogen.
Install the viking model d 2 air pressure maintenance device in the air or nitrogen supply piping between two valves to allow isolation of the device for maintenance and adjustment.
The viking model d 2 air pressure maintenance device is a pressure regulator that automatically reduces the supply air pressure to a preset requirement when connected to a constantly maintained air supply.
Where a field adjustable pressure reducing type air maintenance device is required to control the on off cycling of the systems air pressure as provided by an air compressor in dry pipe preaction type and dry pilot lines of deluge systems they shall be specifically listed for such use.
The viking model d 2 air pressure maintenance device is a pressure regulator that automatically reduces the supply air pressure to a preset requirement when connected to a constantly maintained air supply.