SALVADOR INDUSTRIAL

China PP Compression Fittings Supplier

PP Compression Fittings

PP Compression Fittings

PP (polypropylene) Compression fittings are commonly used in plumbing and fluid systems to connect pipes or tubing together. These fittings are designed to create a secure and leak-free connection without the need for soldering or welding. PP compression fittings are specifically made from polypropylene, a thermoplastic material known for its chemical resistance and durability.

General Hot Selling Products

There are 3 styles of PP (polypropylene) pipe fittings that are popular on the market to meet the needs of different regional markets. The following are 3 best-selling styles

Spanish Type HDPE PP Compression Fittings

Spanish Type HDPE PP Compression Fittings

Italian Type HDPE PP Compression Fittings

Italian Type HDPE PP Compression Fittings

Fish type PP compression fittings

Fish type PP compression fittings

PP Compression Coupling

The entire order quantity is one high cabinet, with free customized trademarks.

PP Compression Elbow

The entire order quantity is one high cabinet, with free customized trademarks.

PP Compression Tee

The entire order quantity is one high cabinet, with free customized trademarks.

PP Compression Reducer Coupling

The entire order quantity is one high cabinet, with free customized trademarks.

PP Compression Reducer Tee

The entire order quantity is one high cabinet, with free customized trademarks.

Want to dig deeper into custom PP compression fittings?

There are all models of PP compression fittings in this catalog, you can leave your email here and our sales staff will contact you within 24 hours
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The FAQs About PP Comepression Fittings

Please note that the following is the FAQ of our regular PP Compression Fittings products. If you have other requirements, please contact us by email

PVDF Cpmpression Fittings:

Size:De20-De110mm

Our products are always in stock and usually do not require a minimum order quantity.

We have two ways to customize trademarks for customers, one is a mold, which requires 1X40HQ, and the other is a laser trademark.

Usually, if there is stock, we will ship it within a week; if there is no stock, for example, we will ship it within 30 days for 1 piece of 40HQ.

Air transportation, sea transportation, rail transportation

Ningbo、Shanghai

T/T, Paypal

PP Compression Fittings

Why Choose PP Compression Fittings?

PP compression fittings are widely used in agricultural irrigation pipelines due to their unique advantages and are chosen for various reasons.

Easy to install: Compared to welding or welding methods, compression fittings are relatively easy to install. They do not require the use of open flames or special welding equipment, making them suitable for DIY projects and places where welding may not be safe.

No heat or flame: Unlike soft soldering or welding, compression fittings do not involve heat or flame. This eliminates the risk of fire and avoids the need for a fire permit in certain situations.

Reusability: Compression accessories can be disassembled and reassembled without damaging the components, allowing for adjustment, repair, or modification without the need for new accessories.

No special skills required: Although welding and welding require specific skills and training, compression fittings can be installed by personnel with basic pipeline knowledge. This convenience makes them a popular choice for DIY enthusiasts.

Leakage prevention: After proper installation, compression fittings can form a tight and safe seal, thereby minimizing the risk of leakage. This reliability is particularly important in applications where leakage costs are high or dangerous.

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How to 0 leak connect PP pipe fittings to pipes

Achieving a leak-free connection with PP (polypropylene) pipe fittings involves proper preparation, assembly, and tightening techniques. Here’s a step-by-step guide to help you connect PP pipe fittings to pipes without leaks:

Step 1: Cut and Prepare the PP Pipes:

Measure and mark the desired length on the PP pipes.
Use a pipe cutter or hacksaw to make a clean, square cut at the marked location. Ensure the cut is straight and free from burrs.
Step 2: Deburr the Pipe Ends:

After cutting, use a deburring tool to remove any sharp edges or burrs from the cut pipe ends. Smooth edges prevent damage to the O-rings inside the compression fittings and help create a watertight seal.
Step 3: Assemble the Compression Fitting:

Slide the compression nut onto the PP pipe, followed by the compression ring (ferrule).
Insert the pipe into the compression seat (body) of the fitting. Ensure it is fully inserted.
Step 4: Tighten the Compression Fitting:

Hand-tighten the compression nut onto the compression seat until it’s snug.
Using a wrench or pliers, continue to tighten the nut in a clockwise direction. Be careful not to overtighten, as this can damage the fitting or cause leaks. Refer to the manufacturer’s specifications for the recommended torque.
if necessary, you can apply a small amount of pipe thread sealant or Teflon tape to the threads on the pipe before attaching the compression nut. This can help enhance the seal but is usually not required if the fittings are properly assembled.
Step 5: Inspect for Leaks:

Turn on the water or fluid supply slowly to pressurize the system.
Check the connection for any signs of leaks. This includes looking for drips or moisture around the fitting.
If you detect leaks, carefully tighten the compression nut slightly more, but avoid excessive force. Over-tightening can damage the fitting.
Step 6: Repeat for Additional Connections:

If you have more connections to make, repeat the above steps for each one.
Ensure all connections are properly tightened and leak-free before considering the installation complete.

 

Materials and Tools You’ll Need:

PP pipe fittings
PP pipes
Appropriate compression fittings (with compression nuts, compression rings, and compression seats)
Pipe cutter or hacksaw
Deburring tool
Wrench or pliers (adjustable or specific to the fitting size)
Pipe thread sealant (optional)
Teflon tape (optional)

Installation diagram of PP compression fittings
PP compression fittings section view

Step 7: Secure Pipes in Place (if necessary):

Use pipe clips or hangers to secure the PP pipes in their desired position and prevent stress on the compression fittings.

General Applications For PP Compression Fittings

Irrigation Systems: PP compression fittings are ideal for joining polyethylene (PE) pipes commonly used in irrigation systems. They withstand exposure to various soil conditions and can handle the pressure and flow requirements of irrigation.

Agriculture: In agricultural applications, such as farm irrigation and livestock watering systems, PP compression fittings are commonly used for their durability and resistance to environmental factors.

Application diagram of PP compression fittings

The Common Pitfalls When Purchasing

When purchasing PP (polypropylene) compression fittings, it’s essential to take several precautions to ensure that you select the right fittings for your specific application and to guarantee their quality and performance. Here are some precautions to consider:

1. Verify that the fittings are rated for the pressure and temperature conditions of your application. Exceeding these ratings can lead to leaks or failures.

2. The threads of all PP compression pipe fittings are BS threads. Ensure that the threads of the pipe fittings can match the threads of your equipment and other accessories to prevent leakage.

3. Purchase fittings from reputable manufacturers or suppliers known for producing high-quality products. Look for certifications or compliance with industry standards, such as ISO, ASTM, or NSF, if applicable to your application.

4. Some PP compression fittings use O-rings or gaskets made of different materials (e.g., EPDM, Nitrile). Ensure that the sealing material is compatible with the fluid and environmental conditions.

5. Purchase PP compression fittings from well-established and reputable suppliers or distributors. They are more likely to provide quality products and customer support.

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