Page 14 - BEST-Type-Y-&-Z-Unit-Technical-Bulletins

REQUIRED COMPONENT Model PV
Models YZ102, YZ103 & YZ104
Spark Arresting

OPTIONAL COMPONENT Purge Vent Assembly
Models YZ101A, YZ101B & YZ101C
Designed Exclusively for use with Best Purging

Product Description Systems Purge & Pressurization Products

The Model PV Purge Vent is a gravity operated Technical Bulletin PV TB-R0 © 06.14.2018
enclosure pressure relieving device designed
to relieve excess pressure inside a protected
enclosure, while preventing any sparks or burning
material from escaping into a classified location.
Model PV Purge Vents are designed for use
exclusively with Best Purging Systems purge and
pressurization products. Model PV is constructed
of an aluminum cap, base and pipe fitting and
features a stainless steel filter element and
fasteners, to ensure maximum resistance against
corrosive environments.
Model PV Purge Vents will begin to open when
enclosure pressure exceeds approximately 0.8”
w.c. and will fully open when enclosure pressure
exceeds approximately 1.5”.
All Model PV Purge Vents MUST be installed in
a true vertical position for proper operation and PV - 3 - T PV - 2 - T
are available in “T” (top mount) and “S” (side PV - 4 - T
mount) configurations. The vents feature a conduit Top Mount Style Purge Vents
hub with sealing gasket to connect easily to a
protected enclosure, or may be mounted remotely.
- please contact factory for more details

PV - 3 - S PV - 2 - S
PV - 4 - S
Side Mount Style Purge Vents

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