Description
Brass Female Adaptor (threaded)
EG , PPRc, Food graded third generation Poly propylene materials. Sizes ranging from 25mm to 110mm diameter. contact 0321-2248975
What is Female Socket 20×1/2″ EG PPRc ?
Description
A Female Socket 20×1/2″ EG PPRc PN 25 is a polypropylene random copolymer (PPRc) pipe fitting designed for secure, leak-proof connections in plumbing systems. The “Female Socket” refers to an internally threaded socket that accepts a male threaded component (e.g., a valve or nipple). The “20×1/2″” indicates a nominal size of 20mm (outer diameter of the PPR pipe it connects to) and 1/2″ (internal thread size, typically BSP or NPT). “EG” likely denotes “Equal” or a specific design variant for equal-diameter connections, while “PPRc” stands for the material (polypropylene random copolymer), known for its durability and resistance to corrosion. “PN 25” specifies a pressure rating of 25 bar (362.5 psi), making it suitable for high-pressure applications like HVAC (heating, ventilation, and air conditioning) systems and hot/cold water supply lines.
This fitting is part of the PPR piping system, which is lightweight, non-toxic, and ideal for potable water due to its smooth inner surface that prevents scaling and bacterial growth. It’s commonly used in residential, commercial, and industrial plumbing for transporting water up to 95°C (203°F) without degradation.
Specifications
- Material: Polypropylene Random Copolymer (PPRc) – resistant to chemicals, UV light (when buried or shielded), and high temperatures.
- Size: 20mm (pipe OD) x 1/2″ (female thread) – compatible with standard PPR pipes and threaded components.
- Pressure Rating: PN 25 (25 bar at 20°C; derates to ~10 bar at 95°C).
- Temperature Range: -20°C to 95°C (-4°F to 203°F) for continuous use; short-term up to 110°C.
- Thread Type: Typically BSP (British Standard Pipe) female thread; ensure compatibility with mating parts.
- Dimensions: Approximate outer diameter 25-30mm, length 40-50mm (varies by manufacturer); check exact specs from supplier.
- Standards Compliance: Often meets ISO 15874, DIN 8077/8078, or equivalent for PPR systems; safe for potable water (NSF/ANSI 61 certified in many cases).
- Color: Usually green or white for easy identification in plumbing.
- Weight: Lightweight (around 50-100g per piece).
- Additional Features: Smooth bore for low flow resistance; no need for additional sealing in PPR-to-threaded connections if properly installed.
Installation
PPRc fittings like this are installed using heat fusion welding for PPR-to-PPR connections, but the female socket allows for threaded assembly with metal or other threaded components. Follow these steps for safe installation (always consult local plumbing codes and manufacturer guidelines):
- Preparation: Ensure all components are clean and dry. Cut PPR pipe squarely using a pipe cutter. Deburr edges and chamfer if needed.
- Threaded Connection: Apply thread sealant (e.g., PTFE tape or pipe dope) to the male thread. Screw the fitting onto the threaded component by hand, then tighten with a wrench (do not overtighten to avoid cracking).
- Fusion Welding (if connecting to PPR pipe): Use a PPR welding machine. Heat the socket and pipe end to 260-280°C for 5-10 seconds, then join firmly and hold for 10-15 seconds to cool. This creates a monolithic bond.
- Testing: Pressure-test the system (e.g., to 1.5x working pressure) for leaks. Use in systems with expansion loops to account for thermal expansion.
- Tools Needed: Pipe cutter, wrench, heat fusion tool (for welding), thread sealant.
- Safety Notes: Work in ventilated areas; PPR fumes are minimal but avoid inhalation. Wear gloves to prevent burns during welding.
Usage
This fitting is primarily used in HVAC and water supply systems for:
- Hot/Cold Water Supply: Connecting PPR pipes to faucets, showers, boilers, or pumps in residential/commercial buildings. Its PN 25 rating handles typical household pressures (up to 6-10 bar).
- HVAC Applications: In radiant heating, underfloor heating, or chilled water lines, where corrosion resistance and thermal stability are crucial.
- Advantages: Long lifespan (50+ years), easy to install, recyclable, and cost-effective compared to metal alternatives. Avoid use in direct sunlight or extreme chemical environments without protection.
- Limitations: Not suitable for compressed air systems (risk of explosion) or temperatures exceeding 95°C continuously. For outdoor use, bury or insulate to prevent UV degradation.



Reviews
There are no reviews yet.