Armstrong The Brain DRV80 User Manual

11
Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130
Installation Requirements
Inlet isolating valves (full ow type) must be installed close to the DRV80 for ease of maintenance.
It is recommended that outlet isolating valves (full ow type) are also installed.
The use of supply / return strainers will reduce debris entering the DRV80. The recommended
gauge for such strainers is 35 mesh (mesh aperture dimension = 0.5mm).
Inlet pressure tappings which allow measurement of the inlet pressures to the DRV80 under
operating conditions are particularly recommended for in-service testing.
Pipework must be rigidly supported to avoid any strain on the connections.
Make sure the pipe layout will avoid the build up of trapped air in the system. Air release valves
can be used where this is not possible.
Inlet and outlet threaded joint connections should be made with PTFE thread sealing tape or liquid
sealant. Do not use oil-based, non-setting joint compounds.
To eliminate pipe debris it is essential that supply pipes are thoroughly ushed before connection
to the DRV80.
1
2
3
4
5
6
7

Armstrong The Brain DRV80 Specifications

General

Brand	Armstrong
Model	The Brain DRV80
Category	Control Unit
Language	English