“Stay Connected with Heyco”
Venting Solutions
NO O-RING
REQUIRED!
HEYClean Liquid Tight Threaded Vent Plugs
™
With Integral Sealing Ring and Liquid Tight Filter
•
Integral sealing ring ensures a
superior seal
at mounting hole
location, every time;
IP 65, 67 and
68 Rated.
•
Allow the passage of air for ventilation
and heat dissipation, yet prevent
moisture intrusion, remain liquid tight.
•
Maximum airflow:
≥16.6
LPM/3.7cm
2
@ 13.5 psi.
•
UL Rated for Type NEMA 3R, 4, and 4X
applications.
•
Filter membrane prevents moisture
and particulate contamination in
electronic enclosures.
•
Pressure compensating seal prevents
buildup of pressure inside of electronic
enclosures due to environmental
temperature cycling.
•
Quick and easy installation into
Threaded (LTTVP) and Clearance
(LTSV) holes.
•
Membrane seal is ultrasonically
welded to nylon body.
•
Lower cost option over metal or steel
plugs.
•
Approximate Head Thickness: .21"
(5,3 mm). Thickness may vary.
•
Hex shaped head for wrench instal-
lation (LTTVP only).
•
Electrically non-conductive Nylon 6/6.
•
Quick and easy
Snap-in
installation
into Clearance Holes.
•
All sizes and types feature (9) .094"
(2,4 mm) diameter vent holes.
•
Snap-In
plugs for panel and housing
applications.
•
Lower cost option over brass or steel
plugs.
•
Snap into a range of panel thicknesses
up to .125" (3,2 mm) with no tools
(LTSV only).
THREAD
Type/Size
Black
PART NO.
Gray
DESCRIPTION
PART DIMENSIONS
A
B
Wrenching Flats
Overall Length
in.
mm.
in.
mm.
NPT
NPT 1/4
NPT 3/8
NPT 1/2
NPT 3/4
3544VB
3545VB
3546VB
3547VB*
3544V
3545V
3546V
3547V*
LTTVP NPT 1/4
LTTVP NPT 3/8
LTTVP NPT 1/2
LTTVP NPT 3/4
.63
.83
.98
1.29
16,0
21,0
24,9
32,8
.66
.69
.81
.86
16,8
17,5
20,6
21,8
PG -
For PG Thread specifications, see page 3-49
Pg 7
Pg 9
Pg 13.5
Pg 21
3574VB
3575VB
3576VB
3401VB
3574V
3575V
3576V
3401V
LTTVP Pg 7
LTTVP Pg 9
LTTVP Pg 13.5
LTTVP Pg 21
.63
.83
.98
1.29
16,0
21,0
24,9
32,8
.53
.62
.76
13,5
15,8
19,3
Metric
M12
M16
M20
3582VB
3583VB
3584VB
3582V
3583V
3584V
LTTVP M12
LTTVP M16
LTTVP M20
.63
.83
.98
16,0
21,0
24,9
.53
.62
13,5
15,8
Standard color Black. Consult Heyco for other colors.
*IP 65 rated.
A
B
C
A
INTEGRAL
SEALING RING
SEALING FLANGE
WASHER CONSTRUCTION
B
SUGGESTED
CLEARANCE HOLE
Threaded Vent Plug
Snap-In Vent Plug
HEYClean Liquid Tight Snap-In Vent Plugs
™
With Integral Sealing Flange/Washer and Liquid Tight Filter
Mounting Hole Diameter Range: .500˝ (12,7 mm) to 1.125˝ (28,6 mm)
PART NO.
A
Mounting
Hole Dia.*
in.
.500
.875
1.125
mm.
12,7
22,2
28,6
3481VB
3486VB
3488VB
LTSV 500
LTSV 875
LTSV 1125
Black
DESCRIPTION
PART DIMENSIONS
B
C
To Prevent
Max. O.A.
Rotation
Length
in.
.45
.77
1.00
mm.
11,4
19,6
25,4
in.
.600
.620
.660
mm.
15,2
15,7
16,8
Standard color black. Consult Heyco for other colors.
* Consult Heyco for additional sizes.
Quick
Specs
5-5
Material
Certifications
Flammability Rating
Temperature Range
IP Rating
Nylon 6/6 bodies with an Acrylic Copolymer Filter
Recognized under the Component Program of Underwriters’ Laboratories,
File E330194 to both Canadian and U.S. Requirements
94V-2
-40°F (-40°C) to 221°F (105°C)
IP 65/67/68
1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com
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