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FITTING INSTRUCTIONS FOR RSH PRESSURE RELIEF VENTS (PRV)

OVERVIEW

The RSH series of PRVs are designed to be fitted into the walls, doors and ceilings that surround an

enclosure fitted with a gaseous suppression system. The purpose of the PRV is to relieve any excess

pressure generated by a gaseous discharge and fully closing upon relief to preserve agent retention

time.

In order to achieve this, certain criteria must be met when installing one of these vents.

PRVs are designed to be fitted into walls, doors or partitions so that the vent will allow air to pass

from the risk area outwards. Vent orientation is indicated by the arrow sticker on the top of the vent

casing - arrows to be pointed out of the risk room. It is essential that the vent is fitted in an area

where it will not be covered or blocked on either side of the installation.

FITTING INSTRUCTIONS

Into a stud wall partition .............................................................................................................. 2

Into an exterior masonry wall ...................................................................................................... 7

Into a thin partition or fire door using a Z frame ......................................................................... 8

WARNING: RSH PRV'S ARE NOT LOAD BEARING

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Retrotec RSH Pressure Relief Vents Manuale Utente