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Rear Views







                                           Enclosure                                Unit Supply
                                           Pressure                                 Connection
                                           Reference                                 Enclosure
                                          Connection                                  Pressure
                                           Enclosure                                  Control
                                           Pressure                                  Regulator
                                            Gauge                                    Enclosure
                                          Atmospheric                                 Supply
                                           Reference                                Connection
                Horizontal Mount Unit                      Universal Mount Unit                     Vertical Mount Unit
                 with Pressure Switch                      less Pressure Switch                    with Pressure Switch

              Unit & Mounting Flange Dimensions                                 Model Number Matrix

                                                          9.0”      Typical Model Number:              YZ 101C-CII-L-U-*

                    12”                 9”                          Unit Type
                                                                    Y   -  Division 1 / Zone 1 to Division 2 / Zone 2
                                                                    Z   -  Division 2 / Zone 2 to Unclassified
                                                  12”               Unit Series
            9”                   9”
                                                                    101C  - Pressurization Unit
                                                                    Area Classification
                                                                    CII  - Class II Areas
                 Horizontal Unit    Universal Unit     Vertical Unit
                                                      4.0”          Pressure Switch Option
            Our mounting hole patterns match                        L  -  Less Switch
            Bebco & P+F Models 101C & 1001C!  0.625”  3.375”        W  -  Class II, Group E, F & G Switch
                               4.0”
                    0.625”      3.375”                              Mounting Configuration
                    0.75”                   1.6875”    0.25”
                                                       Typ. 8       U   -  Universal   V  -  Vertical   H  -  Horizontal
                                          10.3125”
                      1.625”     0.25”  11.375”                     Special Option (omit if not applicable)
                     7.375”     Typ. 4
                   8.25”               12”
                  9”
                        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

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

                           Unit & Protected Enclosure Accessory Bulletin Hyperlinks










                Model PV        Model RR       Model BCK    Model RAB & RAH   Model EPSK   Model EPWN & ETWN   Model PMGK
              Spark Arresting   Redundant Supply   Unit & Bulkhead   Remote Alarm   Enclosure Pressure  Pressure & Temperature   Panel Mount
              Pressure Vents  Pressure Regulators  Connection Kits  Beacons & Horns  Switch Kits  Warning Nameplates  Gasket Kits
              Prevents excessive   Prevents excessive   Connects the unit and   Signals loss of   Complements universal   Provides NFPA required   Converts universal mount
             enclosure pressure upon   enclosure pressure upon   multiple protected   protected enclosure   mount units to activate   markings for protected   units for panel mounting in
              unit regulator failure   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
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