Liquid Tight Blanking Plugs
Liquid tight blanking plugs, also known as rubber blanking plugs or waterproof hole plugs, are designed to securely seal unused holes and access points against water, dust and other contaminants. Manufactured from flexible TPE rubber, they create a reliable seal around the opening while remaining straightforward to install into suitable panels and enclosures. Their liquid tight design makes them particularly useful for protecting sensitive components in demanding indoor and outdoor environments where dependable sealing is required.
Available Materials and Style Options:
- TPE Thermoplastic Elastomer rubber construction
- Shore A hardness options: 75 and 85 durometer ratings
- Standard colour: Professional black finish
- UL94V-0 flame retardant rating for safety compliance
- Tapered shank design for secure, tool-free installation
- Multiple mounting hole diameters: 12.7mm, 15.9mm, 22.2mm, 25.4mm, 27.8mm and 34.9mm
- Various head diameters and panel thickness accommodations
Key Features and Benefits:
- IP68 waterproof rating providing complete submersible protection
- Oil-tight sealing for hydraulic and automotive applications
- Exceptional temperature resistance from -60°C to 135°C (-81°F to 275°F)
- UL certified for outdoor installations and harsh environments
- Chemical resistance against acids, alkalis and industrial solvents
- UV stabilised TPE material prevents degradation from sunlight exposure
- Vibration resistant design maintains seal integrity under mechanical stress
- Quick installation by hand without requiring specialised tools or equipment
- Long service life reduces maintenance costs and replacement frequency
- Certified by Canadian Standards Association for North American compliance
Common UK Use Cases:
- Marine applications: Sealing hull penetrations, deck equipment, and navigation systems on boats and offshore platforms around UK coastal waters
- Electrical enclosures: Protecting control panels, junction boxes, and outdoor electrical installations from British weather conditions
- Automotive industry: Blanking unused access holes in vehicle body panels, engine compartments, and electronic control units
- Industrial machinery: Sealing openings in manufacturing equipment, hydraulic systems, and process control installations across UK factories
- Telecommunications infrastructure: Weatherproofing cable entry points in outdoor communications cabinets and transmission equipment
Related Vital Parts Products:
- Liquid Tight Break Through Plugs - IP67/68 rated plugs with breakthrough membrane for cable insertion
- Cable Glands - Comprehensive range including metric, PG, and NPT threaded options for cable sealing
- Rubber Grommets - Flexible sealing solutions for cable protection and threading applications
- Strain Relief Cable Glands - IP rated glands providing both sealing and cable strain protection
- Liquid Tight Hole Plugs - Extended range of sealing plugs including IP65, IP67, and IP68 ratings
Need Help Choosing Liquid Tight Blanking Plugs?
Need help finding the right Liquid Tight Blanking Plug for your application? Our team can assist with hole sizing, sealing requirements, panel compatibility and larger order quantities. Call us on 01233 713 581 for product support or a quotation.
Trade customers can also open a Vital Parts Business Account for access to trade pricing, product samples, credit account options and dedicated account support.
Frequently Asked Questions
Liquid Tight Blanking Plugs are designed to seal unused holes in electrical panels, enclosures and equipment, providing a waterproof and dustproof barrier against moisture, dirt, oils and other environmental contaminants. They are ideal for maintaining the integrity of indoor and outdoor installations.
Liquid Tight Blanking Plugs are manufactured from premium TPE (Thermoplastic Elastomer), offering excellent flexibility, durability and resistance to chemicals, UV exposure and harsh weather conditions.
Liquid Tight Blanking Plugs are rated to IP68, providing complete protection against dust ingress and long-term water immersion, making them ideal for demanding industrial and outdoor environments.
Yes. Liquid Tight Blanking Plugs are specifically designed to create a waterproof seal, preventing water, moisture and other contaminants from entering electrical enclosures, control panels and equipment housings.
Yes. TPE Liquid Tight Blanking Plugs offer excellent resistance to oils, fuels, many acids, alkalis and industrial chemicals, making them suitable for automotive, hydraulic and manufacturing applications.
Yes. With an operating temperature range of -60°C to 135°C, UV-resistant TPE construction and an IP68 waterproof rating, Liquid Tight Blanking Plugs are ideal for outdoor electrical equipment, marine applications and telecommunications infrastructure.
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If you're unsure which part you need then please do not hesitate to give one of our friendly Sales Team a call on 01233 713 581 and they can assist you. Alternatively, we're active on Live Chat during office hours. You can open this using the button in the bottom right corner of the website. Alternatively, you can write to us using our contact form.
We offer a return period on all of our products to give you peace of mind, to view our policies and learn more about this process should it be required, please see our returns policy page.
In most cases we have the facilities to offer you different colours of a product, specific to your requirements. Minimum order quantities may apply depending on the manufacturing technique in question, but please get in touch with any queries you may have.
Please note that there is a minimum order value of £20 through our website (inclusive of VAT).
If you're new to our website you may want to check out our frequently asked questions section for answers to common customer queries.
While browsing the website you may come across abbreviations used for material names that you are unfamiliar with. You can find an explanation for these in our material abbreviations guide.
