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PP Compression Fitting Wholesale

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PP Compression Fitting Manufacturers

PP compression fittings are a type of thermoplastic pipe fitting used for connecting polypropylene (PP) pipes or another material pipe together. They are designed specifically for easy installation without the need for special tools or equipment. PP compression fittings typically consist of a body with internal components such as O-rings or rubber seals that ensure a secure and leak-proof connection.
The process of installing a PP compression fitting involves inserting the pipe into the fitting body, ensuring a proper fit, and then tightening the compression nut or ring to create a strong and reliable joint. These fittings are widely used in plumbing, irrigation, and industrial applications due to their convenience, durability, and resistance to chemicals and corrosion.
HDPE PIPE & HDPE PIPE FITTING

  • Long service life

    The PE pipe has high molecular weight, good stability and anti-aging ability. Under normal operating temperature, the service life of PE pipe can be guaranteed to be more than 50 years.

  • Environmental performance

    PE pipes do not add metal stabilizers during the processing process, and the material is non-toxic, without scaling layer, and does not breed bacteria. It is a safe and hygienic pipeline material. PE material itself can be recycled and will not produce substances that have an impact on the environment.

  • Corrosion resistance

    The molecular structure stability of PE pipes is extremely high and there is no electrochemical corrosion. Among many pipeline materials, the corrosion index of PE pipes is relatively small, and apart from a few oxidants, they can withstand corrosion from various chemical media.

  • Impact resistance

    PE pipe is a high toughness pipe material with a fracture elongation rate of over 500%, which has impact and earthquake resistance, and strong adaptability to uneven settlement of the pipe foundation.

  • Low temperature resistance

    HDPE pipes have good low-temperature resistance and will not exhibit brittle cracking even in extremely low environments.

  • Wear resistance

    HDPE pipes have flat walls and low flow resistance, resulting in fluid friction performance, not only wear resistance but also high conveying efficiency.

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Zhuji Gaohui Machinery Co., Ltd.

About Us

Zhuji Gaohui Machinery Co., Ltd., Gaohui is professional China PP Compression Fitting Manufacturers and Wholesale PP Compression Fitting Factory engaged in the research, development, production, sale, and service of PP Compression Fitting, our main products are HDPE pipe fittings, such as electrofusion fittings, butt fusion fitting, thread fittings and etc.
We not only provide our customers with high-quality goods at factory gate prices but also provide professional pipeline application solutions. Our HDPE pipe fittings guarantee 50 years of service life in normal use. We are located in Zhuji City, Zhejiang Province, China with convenient transportation access. Delicate strict quality control and timely customer service, our experienced staff members are always available to discuss your requirements and ensure customer satisfaction. More than 50 sets of production equipment and skilled workers make sure of time delivery, we can supply HDPE fitting up to 1200mm.
In recent years, for the purpose of enlarging overseas markets, we took part in overseas exhibitions, our products are selling well in the domestic market, also our products are exported overseas, such as Netherlands, Vietnam, Philippines, Indonesia, Malaysia, Maldives, Nigeria, Thailand, Pakistan and etc., and get good reputation from customers. we also welcome ODM and OEM orders, whether selecting our current products from our catalog or seeking an engineering system for your application.

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PP Compression Fitting

The Anatomy of PP Compression Fittings

Polypropylene compression fittings are engineered with precision, boasting a thoughtful design that ensures robust and reliable performance in piping systems. The key components that constitute the anatomy of PP compression fittings are the body, nut, O-ring, and gripping ring.
1.Body: The body of a PP compression fitting is typically made from high-quality polypropylene, renowned for its excellent chemical resistance and durability. This component serves as the primary structure, providing the framework for the entire fitting. The design of the body is crucial in accommodating the pipe securely, offering stability and preventing any potential leakage.
2.Nut: The nut, often manufactured from polypropylene as well, plays a pivotal role in the compression fitting. Its function is to secure and tighten the fitting onto the pipe, creating a sealed connection. The nut is threaded onto the body, and its design is essential for facilitating a firm grip without compromising the structural integrity of the fitting.
3.O-ring: One of the critical sealing elements in PP compression fittings is the O-ring. Typically made from elastomeric materials such as EPDM or NBR, the O-ring is positioned within the fitting to ensure a watertight seal. This component is crucial for preventing leaks and maintaining the integrity of the piping system, even under varying pressures and temperatures.
4.Gripping Ring: The gripping ring, also known as the compression ring or ferrule, is a key feature responsible for creating a secure connection between the fitting and the pipe. Typically constructed from acetal or polyacetal, this ring ensures that the pipe is securely held in place within the fitting. The gripping ring's design is engineered to distribute pressure evenly, preventing deformation of the pipe and ensuring a reliable and long-lasting connection.

Advantages of PP Compression Fittings Over Traditional Alternatives

PP compression fittings offer a plethora of advantages over traditional methods of pipe connection, making them a preferred choice in various applications. One of the standout advantages of PP compression fittings is their simplicity of installation. Unlike traditional methods that may require specialized tools, welding, or soldering, PP compression fittings can be installed with basic hand tools. This not only reduces installation time but also minimizes the need for skilled labor, resulting in cost savings for both materials and labor. Polypropylene is inherently resistant to corrosion, making PP compression fittings an excellent choice for applications where exposure to corrosive substances is a concern. Unlike metal fittings, PP compression fittings do not corrode over time, ensuring the longevity and reliability of the piping system.

Installation Best Practices for PP Compression Fittings

Ensuring the proper installation of PP compression fittings is essential for their optimal performance and the overall integrity of the piping system. Adhering to best practices during the installation process is key.
1.Pipe Preparation: Before installing a PP compression fitting, thorough pipe preparation is essential. This involves cutting the pipe to the required length and ensuring that the cut is clean and free from any burrs or irregularities. Properly preparing the pipe surface ensures a smooth and even contact area for the compression fitting components, preventing potential leaks.
2.Correct Assembly Procedures: The assembly of PP compression fittings follows a systematic process. The gripping ring, O-ring, and nut must be correctly positioned on the pipe before tightening. Following the manufacturer's guidelines for assembly is crucial to achieving the proper compression and ensuring a secure, leak-free connection. Over-tightening should be avoided to prevent damage to the fitting or the pipe.
3.Importance of Torque Values: Achieving the correct torque during the installation of PP compression fittings is critical. Under-tightening may result in leaks, while over-tightening can lead to deformation of the fitting components or the pipe itself. Consulting the manufacturer's specifications for torque values based on the fitting size and type is imperative for achieving the optimal compression without compromising the integrity of the connection.