Page 15 - BEST-Type-Y-&-Z-Unit-Technical-Bulletins
P. 15

Purge Vent Dimensions

                       C                    C                       Vent Model            PV-2       PV-3       PV-4

                                                                    Hub Size              3/4”      1 1/4”     1 1/2”
                                                                    A - Top Mnt. Hgt.     4.5”       4.5”       6.0”
               A
                                                                    B - Side Mnt. Hgt.    6.5”        8”         10”
                                    B
                                                                    C - Cap Diameter      2.5”       3.5”       5.5”
                                                              D     D - Hub Knockout     1.125”      1.75”       2”
                       D                                            E - Overall Width     5.25”      5.5”       7.75”

                                                                   Hub Size Indicates trade size. All dimensions in inches.
                                                E                  All vents require 4” to 6” underside clearance for testing.



                      Technical Specifications                                 Model Number Matrix

                                        PV-2      PV-3     PV-4    Typical Model Number:                    PV - 3 - T - *
            Top Mount Shipping Weight:   1 lb.   1.5 lbs.   2.5 lbs.
            Side Mount Shipping Weight:   1 lb.    2.5 lbs.   4 lbs.  Series Model Number
            Mounting Hub Diameter:       3/4”    1 1/4”    1 1/2”  Purge Vent Size
            Purge Flow Rate:            4 scfm   12 scfm  30 scfm  2  - 3/4”
            Purge Enclosure Pressure:   *2.8” w.c.  3.2” w.c.  4.8” w.c.   3  - 1-1/4”
            Operating Temperature Range:           -20°F to 120°F
                                                                   4  - 1-1/2”
            *  Enclosure Integrity determines actual Pressure      Mounting Style
            ** 1/2” supply @ 100 psi, totally sealed test enclosure
                                                                   T - Top Mount (top of enclosure)
                                                                   S - Side Mount (side of enclosure)
                       Material  Specifications                    Optional Special Use Characters
                                                                   This designator is utilized to denote specific customer requested
                                                                   modifications and special assemblies to include but not limited to
            Vent Cap:                     Machined 3003 Aluminum   extended or metric mounting hubs, special coatings, materials and
            Vent Base:                    Machined 3003 Aluminum   lift off pressures.
            Vent Cover:                 Seamless Drawn Aluminum
            Mounting Hub:                   Copper-Free Aluminum
            Spark Arresting Element:             80 micron 316 SS
            Fastening Hardware:                 316 Stainless Steel             Compatibility Chart
            Pipe Fittings:                              Aluminum
            Relief Ball:                            Polypropylene  Purge Vent Models         Purge & Pressurization Units
            Vent Nameplate:                               Lexan ® PV-2-T & PV-2-S                        YZ101A & YZ102
                                                                   PV-3-T & PV-3-T                      YZ101B & YZ103
            Lexan  is a registered trademark of the General Electric Company
                ®
                                                                   PV-4-T & PV-4-T                      YZ101C & YZ104
















                         Specifications subject to change without notice. Warranty & liability statements available upon request.

            Best Purging Systems Corporation          www.purgeit.com              4725 Lawndale • La Marque, Texas 77568         Phn:  844.PURGE IT
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