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Open pipe ends are an invitation for dust, debris, insects, and moisture to enter your drainage or plumbing system — causing blockages and contamination before a single drop of water flows through. Whether you're capping off a stub during construction, sealing a redundant drain outlet, or protecting pipe ends in storage, you need a cap that fits securely and stays put. These blue PVC adhesive end caps are the professional's choice for clean, permanent pipe termination.
Manufactured from Polyvinyl Chloride (PVC) in a distinctive blue finish for easy identification in drainage systems, each cap features a glue-socket connection (inner socket adhesive bonding) for a watertight, permanent seal. Available in 10 inside diameter sizes from 20mm (≈3/4") to 160mm (≈6-1/4"), with quantity options from 1 to 20 pieces per order to suit single repairs or bulk projects.
Use them to blank off unused drain outlets in bathrooms and kitchens, cap pipe ends on construction sites to prevent debris ingress, protect stored pipe sections from contamination, or permanently terminate drainage runs in residential and commercial plumbing installations.
Capping off unused drain outlets under sinks, in bathrooms, or in utility rooms — where a clean, permanent seal prevents odors and pests from entering through open pipe ends.
Protecting pipe ends on active construction sites from dust, concrete, and debris ingress during the build phase — before final drainage connections are made.
Permanently terminating drainage runs, blanking off redundant outlets, and capping pipe ends in storage to maintain cleanliness and prevent damage to pipe bores.
Sealing decommissioned drain connections in commercial and industrial facilities, preventing contamination of active drainage systems from unused branch outlets.
| Material | Polyvinyl Chloride (PVC) |
|---|---|
| Color | Blue |
| Connection Method | Glue socket (adhesive bonding to inner socket) |
| Available Inside Diameters | 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 160mm |
| Glue Set Time | ~15 minutes initial set; 2 hours working strength; 24 hours optimal cure |
| Pipe Insertion Window | Within 1 minute of applying adhesive |
| Pack Size Options | 1, 2, 3, 4, 5, 8, 10, 15, 20 pieces (see variant options) |
| Application | Drainage pipes, waste pipes, plumbing stub-offs, construction pipe protection |
| Connection Type | Permanent (not reusable after gluing) |
Select the cap size that matches the outside diameter (OD) of your pipe. For example, a 50mm cap fits a pipe with a 50mm outside diameter. If you're unsure, measure the outer circumference of your pipe and divide by π (3.14159) to calculate the OD, then round to the nearest standard size.
Use a standard PVC solvent cement / pipe adhesive designed for PVC drainage fittings. Apply the adhesive to the inner socket of the cap, insert the pipe end within 1 minute, and hold firmly for 30–60 seconds. Do not use general-purpose glues or silicone sealants as a substitute.
The adhesive typically sets in approximately 15 minutes (initial shape-holding), achieves working strength in 2 hours, and reaches optimal performance after 24 hours. Avoid applying water pressure or mechanical stress to the joint until fully cured.
No. The glue-socket connection creates a permanent bond. These caps are designed for single-use installation. If you need a removable or temporary cap, consider a push-fit or threaded blanking plug instead.
These are standard PVC drainage-grade end caps, suitable for cold and warm water drainage applications at typical drainage system temperatures (generally up to around 60°C for short-term discharge). They are not rated for pressurized water supply systems or continuous high-temperature applications. Always verify suitability with your local plumbing code for specific installations.
These caps are sized to metric outside diameters (20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 160mm) and are compatible with standard metric PVC drainage pipes. They are generally not compatible with imperial-sized pipes (e.g., 1¼", 1½", 2" nominal bore) without verifying the actual OD matches one of the listed metric sizes.
The size listed (e.g., 50mm) refers to the pipe outside diameter that the cap is designed to fit — the cap's inner socket is sized to accept a pipe of that OD. The cap's own outside diameter will be slightly larger. Always match the cap size to your pipe's OD, not its nominal bore or inside diameter.
