The female thread adaptor made of HDPE, size 75, weighs 0.625 kg. It has an inner diameter of 75mm, an outer diameter of 93mm, a wall thickness of 10mm, a height of 107mm, a socket depth of 70mm, and a fusion zone width of 36mm. Its dimensions have been
confirmed to be accurate, reliable, precise, and durable through meticulous manual measurement. The internal thread provides excellent compatibility for threading, allowing for secure internal threaded connections. This makes it suitable for large-diameter pipeline joints, essential for applications such as hydraulic structures and building water supply systems, ensuring the safety
of fluid transport. It is an indispensable component among large internal thread fittings.

Technical Parameters

Parameter Category	Specific Value
Product Name	Female Thread Adaptor
Specification (DN)	75
Unit Weight (kg)	0.625
Inner Diameter (mm)	75
Outer Diameter (mm)	93
Wall Thickness (mm)	10
Height (mm)	107
Socket Depth (mm)	70
Fusion Zone Width (mm)	36

Installation Key Points

Installing an electrofusion female thread adaptor is a technical task that must strictly follow these requirements:
1. Ensure that the end of the PE pipe to be connected is square, clean, and free from oxidation; scrape the pipe surface before installation.
2. Check the relevant parameters displayed on the electrofusion welder, such as voltage, welding time, and cooling time. Verify that these parameters on the female thread adaptor HDPE are correct and match the welder settings. Do not estimate or alter parameter values.
3. Most critically, during the heating, fusion, and cooling phases, never rotate or twist the fitting or the pipe (the pipe must be secured with a clamp). Since the fixed metal threaded insert is pre-assembled, rotation can cause leaks at the internal interface of the not-yet-solidified joint, leading to joint failure.

FAQ

Q: Stress cracking occurs between the metal threaded end and the plastic body, especially in low-temperature environments?

A: Avoid exposing the joint to external forces in low temperatures. Select adaptors made from materials with good low-temperature resistance and insulate the connected pipes. During installation, avoid over-tightening to reduce internal stress.

Q: Scratches or impurities on the inner wall of the plastic end of the adaptor affect water flow or promote bacterial growth?

A: Before installation, inspect the inner wall. Minor scratches or impurities can be smoothed and cleaned with fine sandpaper. Preferably, select adaptors with a flawless, smooth inner wall. After electrofusion, flush the pipeline to remove any debris.

Q: Is the raw material virgin?

A: We commit to using only high-quality virgin raw materials, with absolutely no recycled content added.

Low-Temperature Performance: Premium vs. Standard Electrofusion Fittings

Comparison Item	Premium Electrofusion Fittings	Standard Electrofusion Fittings
Low-Temperature Behavior	Maintains good toughness and strength; no risk of brittle fracture	Material becomes brittle; impact resistance significantly decreases
Technical Reason	Material is specially modified for low-temperature conditions	Standard raw material properties; not optimized for cold tolerance
Suitable Environment	Cold northern regions, outdoor winter construction, cold storage facilities	Only suitable for ambient temperatures or mild southern climates
Practical Impact	Ensures safe operation of water supply/drainage & heating pipes in winter	Prone to freezing cracks and leaks, causing water supply/heating failures
Typical Scenarios	Municipal networks in Northeast China, water conveyance in alpine regions	Drainage in temperature-controlled buildings, irrigation in frost-free areas

Case Study Examples

- Premium Fitting: Maintains integrity at -30°C, withstands soil frost heave stress.
- Standard Fitting: May crack upon impact during installation at -10°C; risk of pipe burst below -15°C.

Recommendation: For projects in cold regions, it is strongly advised to use products tested for low-temperature impact performance.
Choosing a high-quality female thread adaptor HDPE is crucial for system reliability in challenging environments.

Hot Tags: female thread adaptor HDPE, China female thread adaptor HDPE manufacturers, suppliers, factory, Electrofusion Steel PE Transition Fittings, hdpe adaptor, Hdpe Female Adaptor, Hdpe Male Threaded Adaptor, Male Adapter Hdpe, PE Electrofusion Male Threaded Insert