Description
Union Male Threaded 25×3/4″
Q-therm PPRc pipes and fittings , Food Grade, Plumbing Materials. PN 25 imported from UAE for hot and cold water supplier online shop 0322-3540656
What is Union Male Threaded 25×3/4″ PPR ?
Specifications
- Type: Male Threaded Union Fitting
- Material: PPR (body) with brass (threaded insert and union nut); brass is typically lead-free and dezincification-resistant for potable water use
- Size: PPR side: 25mm (outer diameter); Threaded side: 3/4″ BSP (British Standard Pipe) male thread
- Pressure Rating: PN 25 (suitable for up to 25 bar at 20°C; derates with temperature, e.g., ~10 bar at 60°C)
- Temperature Range: -20°C to +95°C (optimal for hot water up to 70°C continuous; short peaks to 95°C)
- Connection Method:
- PPR end: Socket fusion welding (heat fusion to PPR pipe)
- Threaded end: Male external thread for connection to female-threaded valves, pipes, or fixtures
- Weight: Approximately 117g (varies by manufacturer)
- Color: Typically green (PPR body) for easy identification in hot/cold water systems
- Standards Compliance: ISO 15874, DIN 8077/8078, BS EN ISO 15874; thread per BSPT or NPT if specified
- Dimensions (approximate, based on standard PPR fittings):
- Overall length: 70-80mm
- Inner diameter (PPR side): ~20mm
- Thread length: 15-20mm
- Packaging: Sold individually or in sets; imported from UAE suppliers like those in Dubai free zones, often in bulk for construction projects
- Other Features: UV-resistant for short-term exposure; non-toxic, food-grade approved for drinking water; includes O-ring or gasket for leak-proof sealing
Note: Exact dimensions may vary slightly by UAE importer/manufacturer (e.g., Hepworth or similar brands). Always verify with the supplier for batch-specific certifications.
Usage
This fitting is primarily used in plumbing installations for hot and cold water supply systems, including residential, commercial, and industrial applications. It serves as a transition point between welded PPR piping and threaded metal or plastic components, such as faucets, showers, boilers, or pumps. The union design facilitates easy disconnection for repairs or replacements, making it ideal for maintenance-heavy setups like under-sink connections or heating systems.
Key applications:
- Hot Water Distribution: In radiant floor heating, solar water heaters, or domestic hot water lines (up to 70°C).
- Cold Water Supply: Municipal water lines, irrigation, or air conditioning systems.
- Building Construction: Connecting PPR pipes to brass valves or outlets in bathrooms, kitchens, or HVAC systems.
- Advantages in UAE Imports: UAE-sourced fittings often comply with local standards (e.g., Dubai Municipality approvals) and are cost-effective due to regional manufacturing hubs. They are suitable for harsh climates with high temperatures.



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