UPVC End Cap
The UPVC End Cap is made up of a combination of plastic and vinyl. The pipes are long-lasting, do not quickly erode, and may be used for a long time. The UPVC material is resistant to wear and tear. As a result, it is widely utilised in water piping, underground wiring, and drain lines. You must close the top of the cap to keep it from leaking. The cap is typically available for pipes with a diameter of two inches or greater.
You may want to leave a segment of extending from your plumbing system to connect to later while installing or remodelling your home’s plumbing. UPVC End Cap which is used the end of the pipe to leave an extension and preserve your UPVC plumbing system leak-free. No cutting is required to remove two types of PVC caps. Rubber caps and threaded UPVC End caps are easy to install and remove; however, rubber caps are only available for plastic pipes with a diameter of 2 inches or bigger.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
UPVC End Cap Details
ID – Inner Diameter
OD – Outer Diameter
WT – Wall Thickness
SL – Socket Length
L – Overall Length (Depth of Cap)
| Size (Inch) | ID (mm) | OD (mm) | WT (mm) | SL (mm) | L (mm) |
| ½ | 21.64 | 29.10 | 3.73 | 22.23 | 28 |
| ¾ | 26.97 | 34.79 | 3.91 | 25.40 | 36 |
| 1 | 33.78 | 42.88 | 4.55 | 28.58 | 36 |
| 1¼ | 42.55 | 52.25 | 4.85 | 31.75 | 42 |
| 1½ | 48.72 | 58.88 | 5.08 | 34.93 | 45 |
| 2 | 60.78 | 71.86 | 5.54 | 38.10 | 54 |
| 2½ | 73.56 | 87.58 | 7.01 | 44.45 | 60 |
| 3 | 89.50 | 113.74 | 7.62 | 47.63 | 66 |
| 4 | 114.99 | 132.11 | 8.56 | 57.15 | 80 |
| Parameter | Details |
| Product Name | UPVC End Cap |
| Material | Unplasticized Polyvinyl Chloride (UPVC) |
| Function | Closes the end of a pipe to stop flow and prevent leakage |
| Type | Socket End Cap / Threaded Cap |
| Shape | Dome-shaped / Flat closed-end fitting |
| Connection Type | Solvent weld socket / Threaded |
| Size Range | 15 mm to 315 mm (½″ to 12″) |
| Pressure Rating | PN10 / PN16 (up to ~10 bar typical) |
| Temperature Range | 0°C to 60°C |
| Standards | ASTM D2467, ISO, DIN |
| Manufacturing Process | Injection molded UPVC compound |
| Color | Grey / White |
| Density | ~1.38 – 1.45 g/cm³ (typical UPVC) |
| Surface Finish | Smooth internal surface reduces friction |
| Mechanical Strength | High rigidity and good impact resistance |
| Chemical Resistance | Resistant to acids, alkalis, salts, and corrosion |
| Thermal Conductivity | Low (good insulation properties) |
| Electrical Properties | Non-conductive (excellent insulator) |
| Water Absorption | Very low (<0.5%) |
| Weight | Lightweight, easy handling and installation |
| Leak Tightness | Provides leak-proof sealing when solvent cemented |
| Durability | Long service life (25–50 years or more) |
| Flow Characteristics | Completely blocks flow (used for termination) |
| Applications | Water supply, plumbing, irrigation, chemical and industrial pipelines |
Corrosion-resistant – does not rust, pit, or scale
High-pressure strength – suitable for pressure piping (when matched to pipe class)
Lightweight – easy to handle and install
Leak-proof sealing – especially with solvent cement joints
Chemical resistance – resistant to acids, alkalis, and salts
Smooth inner surface – minimises flow resistance and buildup.
Durable & long service life – long-term performance with minimal maintenance
Easy installation – solvent-weld or threaded options
Cost-effective – cheaper than metal alternatives
Non-toxic & hygienic – safe for potable water (as per standards)
Weather & UV resistant – suitable for indoor and outdoor use (grade dependent)
Dimensionally stable – maintains shape under normal operating conditions.
| uPVC Class | Pressure Rating |
| Class 1 | 2.5 bar |
| Class 2 | 4 bar |
| Class 3 | 6 bar |
| Class 4 | 8 bar |
| Class 5 | 10 bar |
| Class 6 | 12.5 bar |
| Class 7 | 16 bar |
Benefits of UPVC End Cap
Provides leak-proof sealing at pipe ends
Corrosion and rust resistant for long service life
Lightweight, easy to handle and install
Cost-effective compared to metal caps
Chemical-resistant, suitable for industrial use
Non-toxic, safe for potable water
Low maintenance and durable
Matches pipe pressure rating for safe operation
Types of UPVC End Cap
Plain End Cap (Socket End Cap
- Fits over the outside of a uPVC pipe
- Used to permanently seal pipe ends in chemical & drainage
Threaded End Cap
- Has internal or external threads
- Used where the cap may need to be removed later (maintenance access)
Slip End Cap
- Push-fit or solvent-weld type
- Common in water supply and irrigation systems
Square End Cap
- Used for uPVC square pipes
- Common in furniture, railings, fencing, and window frames
Round End Cap
- For round uPVC pipes
- Chemical, electrical conduits, and structural use
Vent End Cap
- Allows airflow while preventing debris/insects
- Used in drainage and vent pipes
Protective / Finishing End Cap
- Mainly cosmetic
- Used on exposed pipe ends in furniture or construction
Electrical Conduit End Cap
- Designed for uPVC electrical conduits
- Protects wires and seals conduit ends
Why Choose Us?
When it comes to industrial-grade systems, the choice of the right manufacturer is as important as the material itself. Petron Thermoplast has earned a reputation as a trusted global leader in the field of UPVC end caps and industrial flow solutions. Our products are known for precision, performance, and durability, designed to meet the most demanding industry standards across the chemical and infrastructure sectors.
With so many options on the market, why should you trust Petron Thermoplast for your UPVC end cap needs? The answer lies in our commitment to quality, service, and understanding your unique challenges.
UPVC Pipe Fittings
We offer UPVC Pipe Fittings products in all standard sizes and provide complete customization options to meet your specific project requirements across our entire product range.
