Liquid Tight Threaded Plugs
Liquid tight threaded plugs are essential sealing components designed to provide watertight and oil-resistant protection in threaded applications. These hexagonal headed plugs feature an integral sealing ring and wrench adjustable slot, manufactured from electrically non-conductive Nylon 6/6 with UL94V-2 flammability rating. Widely used across hydraulic, pneumatic and electrical industries throughout the UK, these IP68 rated plugs offer superior sealing performance up to 70 PSI or 5 BAR pressure.
Available Materials and Style Options:
- Nylon 6/6 construction with UL94V-2 flammability rating
- Integral TPE sealing ring for liquid tight performance
- Black and grey colour options available
- Hexagonal head design with wrench/screwdriver adjustment slot
- Metric thread sizes from M12 to M40
- PG thread sizes from PG7 to PG36
- NPT thread sizes from 1/4 inch to 1-1/4 inch
- Approximate head thickness of 5.3mm across all sizes
Key Features and Benefits:
- IP68 rated liquid tight sealing protection up to 70 PSI or 5 BAR
- UL rated for NEMA 3R, 4 and 4X applications ensuring compliance
- Electrically non-conductive design prevents electrical conductivity issues
- Chemical and oil resistant properties suitable for harsh environments
- Temperature resistance from -40°C (-40°F) to 105°C (221°F)
- Corrosion resistant alternative to metallic brass or steel plugs
- Easy installation with standard hex wrench or screwdriver tools
- Integral sealing ring eliminates need for additional gaskets or sealants
Common UK Use Cases:
- Hydraulic and pneumatic system installations for sealing unused threaded ports and preventing contamination
- Electrical enclosures and control panels to seal unused conduit entries in outdoor or industrial environments
- Manufacturing and processing equipment where liquid tight sealing is required in threaded connections
- Automotive and transport applications for sealing threaded openings in engine compartments and chassis components
- Marine and offshore equipment protection where saltwater and corrosive environment resistance is essential
Related Vital Parts Products:
- Liquid Tight Hole Plugs - comprehensive range of non-threaded sealing solutions
- Liquid Tight Blanking Plugs - TPE rubber plugs for panel hole sealing
- Liquid Tight Break Through Plugs - versatile plugs that can accommodate cable pass-through
Technical Specifications:
These plugs meet stringent quality standards with IP68 rating certification up to 70 PSI or 5 BAR pressure tolerance, UL certification for NEMA 3R, 4 and 4X applications, and comprehensive temperature resistance testing from -40°C to 105°C operating range.
Choosing the Right Liquid Tight Threaded Plug
For help matching a Liquid Tight Threaded Plug to your enclosure or equipment, speak to our team about thread size, sealing requirements and application suitability. Call 01233 713 581 for technical advice, quotations or larger order enquiries.
Trade customers can also apply for a Vital Parts Business Account for trade pricing, product samples, credit account options and dedicated account support.
Frequently Asked Questions
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