Page 9 - BEST-Type-Y-&-Z-Unit-Technical-Bulletins

Rear Views

Filter Purge
Regulator Control
Valve
Unit Supply Enclosure
Connection Pressure
Enclosure Reference
Supply Connection
Connection
Enclosure
Pressure
Atmospheric Gauge
Reference
Enclosure
Pressure
Control
Horizontal Mount Unit Valve Universal Mount Unit Vertical Mount Unit
with Pressure Switch less Pressure Switch with Pressure Switch
Unit & Mounting Flange Dimensions Model Number Matrix

12” Typical Model Number: YZ 102-CI-L-U-*
16.25” 12” Unit Type
Y - Division 1 / Zone 1 to Division 2 / Zone 2
Z - Division 2 / Zone 2 to Unclassified
16.25” Unit Series
11.5” 12”
102 - Purging & Pressurization Unit
Area Classification
CI - Class I
Horizontal Unit Universal Unit Vertical Unit
Pressure Switch Option
Our mounting hole patterns match 0.625” 4.0” L - Less Switch
Bebco & P+F Models 102 & 1002!
0.6875” 3.375” W - Class I, Group C & D Switch
4.0”
3.375” B - Class I, Group A, B, C & D Switch
0.625” 1.3125”
0.25” Mounting Configuration
1.6875” 14.9375” Typ. 8 U - Universal V - Vertical H - Horizontal
0.25”
10.3125” Typ. 8 15.5625” Group B Switch Voltage (omit if not applicable)
11.375” 24 - 24 VDC 120 - 120 VAC 240 - 240 VAC
12” 16.25”
Universal Unit Vertical & Horizontal Unit Please contact a Sales Associate for specifications and factory integration of
Mounting Flange Mounting Flange Model PMGK Panel Mount Gasket Kits for Universal Mounting Configurations
Material Specifications

Mounting Plate, Flange & Atmospheric Reference: 304 Stainless Steel Atmospheric Reference: 316 Stainless Steel Body & 304 SS Element
Valve & Fitting Bodies, Ferrules & Unit Fasteners: 316 Stainless Steel Indelible Unit Nameplates: 3M Lexan TM w/ 3M VSB Adhesive
TM
Tube Fitting Compression Nut Coating: Molybdenum Disulfide Supply Regulator Head & Bowl: Acetal Polymer Plastic
Enclosure Pressure Gauge Lens: Acrylic w/ Neoprene O-Ring Supply Regulator Body: Zinc w Buna N Elastomers
Enclosure Pressure Gauge Body: Cast Aluminum w/ Epoxy Finish Supply Pressure Gauge: Painted Steel Case, Plastic Lens, Brass Body
Fastener Kit Sealing Screws: 316 Stainless Steel w/ Neoprene O-Ring Pressure Switch Body: Cast Aluminum w/ Epoxy Finish
Fastener Kit Sealing Washers: 18-8 Stainless Steel w/ Neoprene Washer Pressure Switch Bolts & Contacts: Zinc Plated Steel & Mica Silver
Fastener Kit Locking Nuts: 316 Stainless Steel w/ Nylon Insert Enclosure Pressure Gauge & Switch Diaphragms: Flurosilicone
Unit & Protected Enclosure Accessory Hyperlinks

Model PV Model BCK Model RAB & RAH Model EPSK Model EPWN & ETWN Model PMGK
Spark Arresting Unit & Bulkhead Remote Alarm Enclosure Pressure Pressure & Temperature Panel Mount
Pressure Vents Connection Kits Beacons & Horns Switch Kits Warning Nameplates Gasket Kits
Prevents excessive Connects the unit and Signals loss of Complements universal Provides NFPA required Converts universal mount
enclosure pressure upon multiple protected protected enclosure mount units to activate markings for protected units for panel mounting in
unit regulator failure enclosures of an array safe pressure audible or visual alarms enclosure doors and covers protected enclosures
One (1) Model EPWN Enclosure Warning Nameplate & One (1) Unit Flange or Panel Mount Fastener Kit furnished with all Units.
All specifications subject to change without notice. Warranty & Liability policies available upon request.
Best Purging Systems Corporation www.purgeit.com 4725 Lawndale • La Marque, Texas 77568 Phn: 844.PURGE IT