W. L. Gore Screw-In Vents Instruction sheet

Installation and Handling Guidelines for Screw-In Vents
Part Series: PMF100318, PMF100319, PMF100320, PMF100321, PMF100391, PMF100520, PMF100444
GORE®Protective Vents are designed to protect in the
harshest environments while quickly and effectively
equalizing the pressure in sealed enclosures. To
maximize the performance of the vent for the lifetime
of your product, please follow the handling and
installation recommendations provided.
Handling Guidelines
•AvoiddirectcontactwithGORE™Membrane.
•Donotremoveventcap.
•Donotover-tighten.
•Itisrecommendedtousethefollowingtorquewrenchsizes
forinstallation:
Plasticmoldedparts 16mmsocketorwrench
Metalvent 18mmwrench
Recommendedforce 0.6–0.8Nm(0.44–0.59lbf-ft)
Protective Ring
Enclosure
Through-Hole A
ACross Section A-A
Y
X
PolyVent/M12x1
PolyVent/M12x1.5
PolyVent/M12x1.5 HA
Metal Vent/M12x1.5
ø14.3± 0.2
60°
ø10.5
M12 x 1.5
Wall
Corehole
Center line
ø14.3± 0.2
60°
ø11
M12 x 1
Wall
Corehole
Center line
Screw-In Vents
Protective Vents
adhesive vents
Topreventunintentionaldamage,anadditionalmeansofprotection
isrecommendedattheinstallationsite.Anexampleofonepossible
meansofprotection,aprotectivering,isshownbelow:
Installation Recommendations 
1. Preparation
Makesuremountingsurfaceiscleanandfreeofoils,particles
andothercontaminants.Isopropylalcoholcanbeusedtoclean
themountingsurfaceifneeded.Ensurethesurfaceisdryprior
toinstallation.
2. Positioning
Forbestperformance,ventsshouldbemountedonaflat,vertical
surfacewhereliquidsorothercontaminantswillnotpool.(See
diagram below for mounting recommendation).Goremoldedparts
aredesignedformountingtotheexteriorhousingwall.
Recommended Protective Ring Dimensions by Part
PolyVent
Part PolyVent M12x1.5/ Metal Vent/
Description M12x1 M12x1.5 HA M12x1.5
  PMF100320
  PMF100321
 PMF100318 PMF100391
PartNumber PMF100319 PMF100520 PMF100444
Xdimension 22mm 22mm 24mm
 (0.866") (0.866") (0.945")
Ydimension 9mm 8mm 15mm
 (0.354") (0.315") (0.590")
Enclosure
Interior
Environment
Housing Wall
®
GORE®
Protective Vent
GORE
Protective Vent
3. Installation
Toinsertintothehousing,makesurethatthethreadshaveproper
engagementandscrewintothehousing.Ifusingasockettotighten
venttosurface,ensuresocketisfullyengagedwiththeventhousing
beforetightening.
4. Final Inspection
Lookovertheparttoensurethattheventisproperlyseated.
The Gore proprietary membrane is constructed of ePTFE and allows for the free
passage of gases and vapors while at the same time preventing liquid and
particulates from entering the housing.
Recommended Housing Geometry
All dimensions are in mm.

4998_044_US_JUL10
Screw-In Vents
Storage Recommendations
Storeintheoriginalpackaginginacleananddryenvironment.
Protective Vents
adhesive vents
Contact Us
Foradditionalassistance,pleasecontactaGorerepresentative.
W. L. Gore & Associates, Inc.
401AirportRoad•Elkton,MD21921•USA
Phone:410.392.4440(USA)•Tollfree:800.455.4684
Fax:410.506.8749•Email:[e-mail]
gore.com/protectivevents
Argentina 54.351.4886.427
Australia 61.2.9473.6800
Brazil 55.11.5502.7800
China 86.21.6247.1999
France 33.1.5695.6565
Germany 49.89.4612.2211
India 91.22.6768.7000
Italy 39.045.6209.240
Japan 81.3.3327.0011
Korea 82.2.393.3411
Mexico 52.81.8288.1281
Netherlands 49.89.4612.2211
Scandinavia 46.31.706.7800
Singapore 65.6733.2882
Spain 34.93.480.6900
Taiwan 886.2.8771.7799
UnitedKingdom 44.1506.460123
USA 1.410.392.4440
international contacts
Specifications Cross Section All dimensions are in mm unless otherwise specified
PolyVent/M12x1
PolyVent/M12x1.5
PolyVent/M12x1.5 HA
Metal Vent/M12x1.5
AccordingtoCouncil
Directive94/9/ECATEX(95)
IM2ExeI
II2GExeII
II1D
Certificate available
upon request
Tolerances: DIN 16901/130 unless otherwise specified
ø17
M12 x 1.5
ø10.2 ± 0.1O-Ring 10 x 2
ø7.4± 0.1
ø14.3± 0.2
60°
ø10.5
M12 x 1.5
15.8± 0.25
2.45± 0.110
Gehäusewand
Wall
Kerndurchmesser/Corehole
GORE™
Membrane
M12 x 1.5
ø10.15
ø18.2
O-Ring
10 x 2
R0.4
10 ± 0.1 3 (SW 18)
21.6± 0.25
ø14.3± 0.2
60°
ø10.5
M12 x 1.5
Gehäusewand
Wall
Kerndurchmesser/Corehole
GORE™
Membrane
ø17
M12 x 1
ø10.2± 0.1O-Ring
10 x 2
ø7.4± 0.1
ø14.3± 0.2
60°
ø11
M12 x 1
11.7± 0.2
3.45± 0.15
Gehäusewand
Wall
Kerndurchmesser/Corehole
GORE™
Membrane
PolyVent
PolyVent M12x1.5/ Metal Vent
Part Description M12x1 M12x1.5 HA M12x1.5*
  PMF100320
  PMF100321
 PMF100318 PMF100391
PartNumber PMF100319 PMF100520 PMF100444
Through Hole (Bulkhead Mounting) Installation
ThroughHole  12.2mm 12.2mm
(±0.2mm) NA (0.472") (0.472")
CounterNut
PartNumber NA M10510-007 M10510-008
Chamfer Specifications for O-Ring Seal
Angle  60degrees
ODforWall  
Thickness>3mm   14.3mm(0.562”)
ODforWall  
Thickness<3mm   13.8mm(0.543”)
Torque  
Specification0.6–0.8Nm(
0.44–0.59lbf-ft)
Other Useful Information
ThreadAngle  60degrees
MajorOD  12.0mm(0.472”) 
* Note: If using the Metal Vent PMF100444 at temperatures below –20°C, mechanical protection for
the vent is recommended (e.g. protective ring). Additional installation and handling instructions are
available upon request.
Chamfer Specifications for O-Ring Seal
Through Hole (Bulkhead Mounting) Installation
Other Useful Information
FORINDUSTRIALUSEONLY.
Notforuseinfood,drug,cosmeticormedicaldevicemanufacturing,
processing,orpackagingoperations.
TheoptimalperformanceofanyGORE®ProtectiveVentdependsonhowitishandledandincorporatedintothenalproduct.
Thisincludessuchelementsasthedevicedesign,sealingmethod,andassemblymethod.WhileGoreisabletoprovide
generalguidelinesbaseduponitsexperiencewithGORE®ProtectiveVents,thedevicemanufacturerisultimatelyresponsible 
forvalidatingeachproductanditsperformanceforitsintendedapplication.ContactaGoretechnicalsalesassociatetoday
forassistanceindeterminingthebestGORE®ProtectiveVentforyourspecicapplication.
®GOREanddesignsaretrademarksof W.L.Gore&Associates,Inc.Allrightsreserved.
©2010W.L.Gore&Associates,Inc.