The specifications and parameters for the electrofusion threaded adapter are detailed in the table below.
This HDPE male adapter in size 50 has a length of 198 mm and a unit weight of 0.38 kg. It features an inner diameter of 50mm, an outer diameter of 65mm, a wall thickness of 9mm, a height of 116mm, a socket depth of 61mm, a fusion zone width of 27mm, and external threads.
The male thread design enables a secure connection to pipes with internal threads, making it suitable for various external threaded pipeline applications.
It is ideal for connecting small equipment and modifying standard water supply pipes, allowing for quick, effective, and safely sealed connections using various pipeline connection methods.

Technical Parameters

Parameter Category	Specific Value
Product Name	Male Adapter
Specification (DN)	50
Unit Weight (kg)	0.38
Inner Diameter (mm)	50
Outer Diameter (mm)	65
Wall Thickness (mm)	9
Height (mm)	116
Socket Depth (mm)	61
Fusion Zone Width (mm)	27

Application Scenarios

The most common use for this electrofusion male adapter is to connect a PE pipe to a female threaded port.
For example, creating an above-ground tap from a buried PE water supply pipe, or connecting to the inlet/outlet of a pump or filter.

This HDPE male adapter offers significant structural strength and high sealing performance. Compared to connections requiring multiple fittings, it forms a single, integrated joint, thereby minimizing potential leak points. The permanent bond created through electrofusion welding can withstand stresses from water hammer and ground settlement in underground installations, making it particularly suitable for critical or load-bearing connection points.

FAQ

Q: What preparations are needed before welding?

A: The oxide layer must be scraped from the pipe end, and the connection area must be kept clean and dry.

Q: The plastic end of the adapter has become aged and brittle due to long-term sun exposure, reducing its service life.

A: Wrap exposed adapters and pipes with insulation or protective, UV-resistant coating. Choose weather-resistant adapters containing anti-UV additives. Avoid installing adapters in locations with direct sunlight exposure.

Q: After electrofusion welding, visible shrinkage holes or bubbles appear in the plastic end of the adapter, affecting strength and sealing.

A: Strictly match welding parameters (voltage, time) to the pipe specifications to avoid excessive temperature or duration. Clean the plastic end surface of any oil or contaminants before welding. Select products from reputable manufacturers to avoid inferior adapters made from impure raw materials.

Environmental Performance: Premium vs. Standard Electrofusion Fittings

Comparison Item	Premium Electrofusion Fittings	Standard Electrofusion Fittings
Material Selection	Eco-friendly, non-toxic materials compliant with RoHS etc.	May use recycled content or non-eco-friendly additives
Production Process	Clean production with compliant wastewater/gas emissions	Potential for polluting emissions during production
Recyclability	100% recyclable, high circular economy value	Difficult to recycle, low reclaimed value
Eco-Certification	Certified under environmental management systems, eco-labels	Lack of environmental certification, untraceable origin
Application Fields	Preferred for green buildings, potable water, eco-projects	Restricted in projects with strict environmental requirements

(Note: For public projects in education, healthcare, and residential sectors, priority should be given to fittings with excellent environmental performance.)

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