PG21 Grey Liquid Tight Threaded Vent Plug - 19.3mm Length | Nylon

Product code: VENT129
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PG21 Grey Liquid Tight Threaded Vent Plug - 19.3mm Length | Nylon
PG21 Grey Liquid Tight Threaded Vent Plug - 19.3mm Length | Nylon
PG21 Grey Liquid Tight Threaded Vent Plug - 19.3mm Length | Nylon
PG21 Grey Liquid Tight Threaded Vent Plug - 19.3mm Length | Nylon
PG21 Grey Liquid Tight Threaded Vent Plug - 19.3mm Length | Nylon
PG21 Grey Liquid Tight Threaded Vent Plug - 19.3mm Length | Nylon
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 249 £2.79 £3.35
250 - 499 £2.68 £3.22
500 - 999 £2.58 £3.09
1000 - 2499 £2.47 £2.96
2500 + £2.38 £2.85
£3.35 / each
Quantity:


Product Specification
Thread Type PG21
Material Nylon 66
Across Flats 32.8mm
Liquid Tight Yes
Overall Length 19.3mm
Colour Grey

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

Larger Order?

Call our sales team on

01233 713581


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PG21 Grey Liquid Tight Threaded Vent Plug | 19.3mm Length | Nylon 66

Built for protected airflow in control housings, this grey liquid tight ventilation plug is manufactured from Nylon 66 to fit a PG21 thread with 32.8mm across flats and 19.3mm overall length. It is designed for enclosures, housings and threaded ports where internal air movement must be managed without leaving the opening unfinished.

This plug is made for demanding enclosure work where simple hole coverage is not enough. It supports airflow management while helping maintain protection in damp or dusty surroundings. The grey finish can also support visual identification on control panels, helping maintenance teams quickly distinguish threaded ventilation points from plain blanking plugs.

What Are Liquid Tight Threaded Vent Plugs?

Liquid tight threaded vent plugs are threaded ventilation components used to equalise pressure inside enclosures while helping block liquid, dirt and particulate contamination. They are commonly used where sealed equipment needs to breathe without compromising protection around sensitive internal parts.

Common Applications

  • Battery box ventilation
  • Automation sensor enclosures
  • Fabricated box sections
  • Equipment breather ports

PG21 Grey Liquid Tight Threaded Vent Plug Dimensions

  • Thread Type: PG21
  • Across Flats: 32.8mm
  • Overall Length: 19.3mm
  • Material: Nylon 66
  • Colour: Grey
  • Liquid Tight: Yes

Liquid Tight Vent Plug Uses

Use this membrane-style venting solution where pressure equalisation is required without relying on an open breather hole. It supports protected airflow for control boxes, cabinets and sensitive equipment housings.

View our full Threaded Vent Plugs range.

Product Support and Trade Orders

For help checking thread type, liquid tight requirements or larger order quantities, contact the Vital Parts team on 01233 713581. Our team can support sizing checks, samples where available and repeat supply for trade or production use.

Please call for any enquiries!
Mon - Thurs 8.30 am - 5.30 pm
Fri 8.30 am - 3.30 pm
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