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HEYClean® Brass Pressure Equalization and Drain Plugs

For Pressure Equalization and Drainage Applications

  • Part Numbers and Specifications
  • Features
THREAD PART NO. DESCRIPTION PART DIMENSIONS PROTECTION
CLASS
Type/Size STD. EXP* A
Clearance Hole
B
Overall Length
C
Thread Length
D
Wrenching Flats
in. mm. in. mm. in. mm. in. mm.

Liquid Tight Pressure Equalization Plugs - Ultimate in Liquid Tight Pressure Equalization

M12 x 1.5 4350 14350 BRASS LTPEP M12 .47 12,0 .69 17,5 .31 8,0 .71 18,0 IP 66,67,68
M16 x 1.5 4351 14351 BRASS LTPEP M16 .63 16,0
M20 x 1.5 4352 14352 BRASS LTPEP M20 .79 20,0 .71 18,0 .31 8,0 .87 22,0

Liquid Resistant Pressure Equalization Plugs - Maximize Airflow for Extreme Pressure and Moisture Fluctuations

M12 x 1.5 4354 - BRASS LRPEP M12 .47 12,0 .69 17,5 .31 8,0 .71 18,0 IP 55, x9K
M16 x 1.5 4355 - BRASS LRPEP M16 .63 16,0
M20 x 1.5 4356 - BRASS LRPEP M20 .79 20,0 .71 18,0 .31 8,0 .87 22,0

Threaded Drain Plug - For Applications Where Condensation Is Expected**

M12 x 1.5 4357 - BRASS TDP M12 .47 12,0 .77 19,5 .39 10,0 .71 18,0 IP 4x
M16 x 1.5 4358 - BRASS TDP M16 .63 16,0
M20 x 1.5 4359 - BRASS TDP M20 .79 20,0 .79 20,0 .39 10,0 .87 22,0

Stainless Steel available. Consult Heyco.
*Certified in accordance with IEcEx and ATEX
**Heyco Drainage Plus Brass Locknuts sold separately

HeyClean® Brass Pressure Equalization and Drain Plugs

Pressure Equalization Plugs

  • Allow the passage of air for ventilation and heat dissipation, yet prevent moisture intrusion.
  • 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 Clearance or Threaded Holes.
  • Nickel-plated finish over brass provides excellent corrosion resistance and durability.
  • Head Thickness: .37" (9,5 mm) to .39" (10 mm).
  • Hex shaped body for wrench installation.
  • Filter element:
    Liquid Tight Membrane:
    Polyethersulfone (PES)
    Sintered Disc: Bronze
  • DFARS Compliant

Drain Plugs

  • Drainage Plugs are ideal for applications where condensation is expected.
  • Stainless steel mesh allows water to drain quickly, but protects enclosure from bugs and dust.
  • Drainage Plugs feature a "cutout" section to allow water to completely drain from enclosure, and should be installed at enclosure's lowest point.
  • Head Thickness: .37" (9,5 mm) to .39" (10 mm).
  • Hex shaped body for wrench installation.
  • DFARS Compliant

QuickSpecs

Material Nickel-Plated Brass
Temperature Range -40°F (-40°C) to 230°F (110°C)
IP Rating Membrane - IP66/IP68/IP69
Filter Disc - IP55/ IPX9K
Drainage Element - IP4X
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