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Black PP 90deg Elbow for HDPE Use

Brand Name: LONGYE
Product Name: pp compression fittings
Color: Black
Size: 20-110mm
Sample: Free Sample
Availability:
Quantity:

  

SIZE

WEIGHT

PCS/CTN

20

25

32

40

50

63

75

90

110


78

124

183

355

570

890

1268

2052

3286

150

88

52

26

15

11

6

4

4


Product Overview


The PP 90deg elbow from LONGYE (a professional China-based manufacturer of piping solutions) is a high-performance PP compression fitting designed exclusively for HDPE pressure piping applications. This fitting stands out for its fast, reliable connections and global popularity, making it a top choice for diverse piping projects.

Key baseline specifications of the PP 90deg elbow include:


Brand Name: LONGYE

Color: Black (industry-standard for visibility and durability)

Size Range: 20-110mm (covers most common metric piping needs)

Sample Policy: Free Sample (available for quality verification before bulk orders)

Working Pressure Rating: 200psi@73℃(23℃) (ensures stable performance in standard operating conditions)

Packaging Details: Varies by size—for example, 20mm models come in 150 PCS/CTN, 25mm in 88 PCS/CTN, 50mm in 15 PCS/CTN, and 110mm in 4 PCS/CTN—optimizing storage and transportation efficiency.


Black PP 90deg Elbow for HDPE Use


Product Features


Installation Convenience


One of the most notable advantages of the PP 90deg elbow is its user-friendly installation process, which eliminates the need for complex tools or specialized skills.


Streamlined Installation for Small Sizes (D16mm-D63mm)

For sizes ranging from D16mm to D63mm (recommended for residential and light commercial use), the installation steps are simplified:

Chamfer the pipe end using a beveler tool (e.g., code 05160) to ensure a smooth fit.

Slacken the ring nut (do not remove it from the fitting body) and confirm the O-ring and clip ring are in their correct positions.

Insert the pipe end into the fitting until it passes the O-ring and reaches the internal stop (no need to tighten the ring nut during insertion).

Hand-tighten the ring nut first, then use a strap or chain wrench for further tightening to secure the connection.


Clear Installation for Large Sizes (D75mm-D110mm)

For larger sizes (D75mm to D110mm, ideal for industrial or municipal projects), the process remains straightforward with minor adjustments:

Prepare the pipe end (trim and chamfer if needed), then unscrew the fitting to remove internal components: ring nut, clip ring, packing presser bush, and O-ring.

Push the pipe into the fitting until it touches the internal stop, then reinsert the O-ring and position it with the packing presser bush.

Place the clip ring onto the pipe (follow the fitting’s visual guide) and slide the ring nut over the clip ring.

Tighten the ring nut with a strap/chain wrench to complete the assembly—ensuring a leak-proof seal.


Comprehensive Compatibility


The PP 90deg elbow is engineered to meet diverse piping needs, eliminating the hassle of sourcing multiple fitting types.


Metric & Standard Connection Support

It serves as a one-stop solution for both metric needs (covering the full 20-110mm range) and BSP/NTP connections—compatible with international piping standards, making it suitable for global projects.


HDPE Pressure Piping Compatibility

As a dedicated PP compression fitting for HDPE pressure piping, it forms a secure bond with HDPE pipes, preventing leaks even under the rated pressure of 200psi@73℃(23℃). This compatibility ensures consistent performance across HDPE-based systems.


Durability & Environmental Resistance


Longevity and adaptability to harsh conditions are core design priorities of the PP 90deg elbow.


UV Stabilized Material

The fitting is made with UV stabilized PP material, which resists degradation from prolonged sun exposure. This feature makes it ideal for outdoor applications (e.g., above-ground irrigation, outdoor water distribution) without worrying about material weakening over time.


Robust Performance in Harsh Conditions

Its durable construction allows it to withstand extreme environments, including temperature fluctuations, chemical exposure (in industrial settings), and physical impact—ensuring a long service life even in high-demand scenarios.


Applications


The PP 90deg elbow is versatile, with use cases spanning residential, commercial, industrial, and special environment projects.


Water Distribution Systems


Municipal Water Supply

In municipal projects, it connects HDPE pipes in water distribution networks, ensuring reliable water flow to neighborhoods. Its leak-proof design reduces maintenance costs for local governments.


Residential & Commercial Water Delivery

For homes, apartments, and offices, it is used in indoor and outdoor water lines (e.g., kitchen, bathroom, or garden taps). The 20-50mm sizes are most common here, thanks to their compact design.


Industrial Piping Solutions


Factory Fluid Transport

In manufacturing plants, it facilitates the transport of non-corrosive fluids (e.g., coolants, process water) through HDPE pipes. The 63-110mm sizes are preferred for industrial use, as they handle higher flow rates.


Industrial Process Piping

It is also suitable for industrial process lines (e.g., in food processing or chemical manufacturing, where non-toxic PP material meets safety standards) and maintains stability under the 200psi pressure rating.


Agricultural Irrigation


Farmland Irrigation Networks

In agriculture, it is a key component of farm irrigation systems—connecting HDPE pipes to distribute water evenly across fields. Its UV stabilization ensures it lasts in outdoor farm environments.


Greenhouse Irrigation Systems

For greenhouses, the 20-32mm sizes are ideal for small-diameter irrigation lines, delivering precise water flow to crops without clogs or leaks.


Special Environment Applications


Mining Area Piping

In mines, the fitting resists dust, moisture, and physical damage, making it suitable for water supply or fluid transport lines in underground or surface mining operations.


Highland & Desert Piping

It performs reliably in extreme climates—whether in highland areas (with low temperatures) or deserts (with intense heat and UV exposure). Its UV-stabilized material and pressure resistance ensure consistent performance in these harsh settings.


FAQ


What is the size range of the LONGYE PP 90deg elbow?

The PP 90deg elbow from LONGYE covers a size range of 20-110mm, which includes small sizes (20mm, 25mm, 32mm) for residential use, medium sizes (40mm, 50mm, 63mm) for commercial projects, and large sizes (75mm, 90mm, 110mm) for industrial or municipal applications. This range meets most common HDPE piping needs.


Is a free sample available for the PP 90deg elbow?

Yes, Free Sample of the PP 90deg elbow is provided by LONGYE. You can request a sample to verify quality, fit, and compatibility with your HDPE pipes before placing a bulk order—helping you make an informed purchasing decision.


What is the working pressure rating of this PP compression fitting?

The PP 90deg elbow has a working pressure rating of 200psi@73℃(23℃). This rating ensures it can handle standard pressure levels in HDPE pressure piping systems, making it safe for water distribution, industrial fluid transport, and irrigation applications.


How do I install the PP 90deg elbow correctly for different sizes?

Installation varies slightly by size:

For D16mm-D63mm (small sizes): Chamfer the pipe, check internal components, insert the pipe to the stop, then tighten the ring nut (hand-tighten first, then use a wrench).

For D75mm-D110mm (large sizes): Remove internal components, insert the pipe, reinsert components, and tighten the ring nut with a wrench. Detailed steps are provided in the product manual, and using the recommended tools (e.g., beveler, strap wrench) ensures proper installation.


Can the PP 90deg elbow be used in outdoor environments?

Absolutely. The PP 90deg elbow is made with UV stabilized material, which resists sun damage and degradation. It is suitable for outdoor applications like garden irrigation, above-ground water distribution, and greenhouse systems—maintaining performance even with prolonged exposure to sunlight.


What packaging specifications are available for the PP 90deg elbow?

Packaging quantity per carton (PCS/CTN) varies by size to optimize storage and shipping:

20mm: 150 PCS/CTN

25mm: 88 PCS/CTN

32mm: 52 PCS/CTN

40mm: 26 PCS/CTN

50mm: 15 PCS/CTN

63mm: 11 PCS/CTN

75mm: 6 PCS/CTN

90mm: 4 PCS/CTN

110mm: 4 PCS/CTN
This packaging reduces shipping costs and ensures the fittings arrive undamaged.


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Zhe Jiang Longye Pipes Industry Co., Ltd. is specilalized in producing PP-R pipes; pipe fittings, HD-PE water-supplying pipes, heatmelting socket pipe fittings, plastics connecting pipe fittings and water separators.
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