PPR Inserts

PPR Inserts

PPR Inserts Datasheet
MaterialCuZn39Pb3,CW602N,CZ122,C37710,CW614N,CW617N,CW511L,DZR BRASS,
Surface TreatmentBrass Colour/ Nickle Plated/ Chrome Plated
Dimension1/2”,3/4’,1”,1 1/4”,1 1/2” ,2” ,2 1/2”,3” ,4”
Thread StandardBSPT/NPT

PPR Inserts are specialized threaded inserts designed for use in PPR (Polypropylene Random Copolymer) piping systems. They are engineered to be embedded within PPR fittings during the molding or assembly process to provide a durable, metal-threaded interface. This metal reinforcement overcomes the limitations of the softer PPR material by offering enhanced strength, improved wear resistance, and long-term reliability—especially in hot and cold water applications. As one of India’s leading manufacturers and suppliers, we produce high-quality PPR Inserts at our advanced facility in Jamnagar. Our inserts are known for their precision, durability, and superior craftsmanship, ensuring consistent performance in demanding environments.


Key Features of PPR Inserts

  • Material & Durability:
    Typically made from high-quality brass, PPR Inserts offer excellent corrosion resistance and thermal stability. Brass’s inherent durability ensures that the threaded connection remains secure even under repeated assembly or exposure to fluctuating temperatures.

  • Integrated Threading:
    Designed to be incorporated into the molding process, these inserts become an integral part of the PPR component. This integration ensures precise alignment and uniform thread quality, eliminating the need for post-molding machining or repairs.

  • Enhanced Load-Bearing Capacity:
    The metal insert provides a robust threaded interface that significantly outperforms native PPR threads. This reinforcement is especially critical in applications where the joint is subject to mechanical stress or frequent use.

  • Leak-Proof Connection:
    With a precisely engineered thread profile, PPR Inserts help establish a leak-proof seal in piping systems—essential for maintaining the integrity of water supply or heating systems.


Typical Technical Specifications (Example Values)

Parameter Specification (Approximate)
Material Brass (or optionally stainless steel)
Thread Sizes Common sizes range from M6 to M12 (custom sizes available)
Thread Pitch Standard ISO metric pitches (e.g., M6 x 1.0, M8 x 1.25)
Insert Length Typically 1.25–1.5× the nominal thread diameter
Installation Method Integrated during injection molding or press-fit into PPR components
Operating Temperature Suitable for water systems (approx. –40°C to +100°C)*

*Actual dimensions and temperature ratings vary with specific design and application requirements.


Applications of PPR Inserts

  • Plumbing & Water Supply Systems:
    Reinforce threaded connections in PPR pipes and fittings used in residential or commercial water supply and heating systems.

  • Molded Components in Appliances:
    Enable secure mounting of accessories or additional components in PPR housings of appliances.

  • Repair & Reinforcement:
    Provide a reliable solution for repairing stripped or weak threads in PPR parts, extending the service life of the component.


Advantages of PPR Inserts

  • Improved Strength & Longevity:
    The brass insert creates a metal-to-metal thread within a plastic part, vastly increasing the joint’s load capacity and resistance to wear.

  • Cost Efficiency:
    By integrating the insert during the molding process, additional secondary operations are eliminated, reducing production time and cost.

  • Consistency & Precision:
    The in-mold integration process yields highly consistent, precise thread profiles that enhance the overall performance of the assembly.

  • Enhanced Leak Resistance:
    The secure, engineered threads provided by the insert ensure a tight, leak-proof connection, crucial for the reliable operation of water and heating systems.


By choosing PPR Inserts from Conex Metals, you secure a robust, long-lasting threaded connection that reinforces the performance of PPR piping systems and molded components—combining the strength of metal with the design versatility of plastic.