1pcs Hot Melt Die Head PPR Water Pipe Hot Melt Die Head PE Pipe Plastic Welding Machine Hot Head 75 90 For PE PPR

Hot Melt Die Head for PPR / PE Water Pipe — Plastic Welding Machine, 75mm & 90mm

Replacement hot melt die head (welding socket and spigot) for PPR (polypropylene random copolymer) and PE (polyethylene) pipe plastic welding machines. Available in 75mm and 90mm pipe diameter sizes, these die heads are used in socket fusion (butt fusion) pipe welding to heat both the pipe end and the fitting socket simultaneously before joining, creating a permanent, leak-free fusion weld. Compatible with standard electric pipe welding machines used in plumbing, irrigation, and industrial piping installations.

Technical Specifications

Parameter	Value
Compatible Pipe Types	PPR (PP-R), PE, HDPE pipe
Available Sizes	75mm, 90mm pipe OD
Die Head Type	Socket fusion (female socket + male spigot)
Heating Element	Aluminium alloy with PTFE non-stick coating
Working Temperature	260°C ± 10°C (standard PPR fusion temperature)
Mounting	Standard pipe welding machine spindle (check compatibility)
Certification	CE

Pipe Size Reference

Die Head Size	Pipe OD	Typical Application
75mm	75mm OD PPR / PE pipe	Main water supply risers, commercial plumbing mains
90mm	90mm OD PPR / PE pipe	Large-bore water mains, industrial process piping

Typical Applications

• PPR Pipe Installation: Fuse PPR pipe to PPR fittings (elbows, tees, couplings) in hot and cold water supply systems in residential and commercial buildings
• PE / HDPE Pipe Welding: Socket fusion welding of PE and HDPE pipe for irrigation mains, water supply, and industrial fluid transfer systems
• Die Head Replacement: Replace worn, scratched, or PTFE-damaged die heads on existing pipe welding machines to restore weld quality and prevent pipe sticking
• Large-Bore Plumbing: 75mm and 90mm die heads for large-bore PPR pipe installations in apartment buildings, hotels, and commercial facilities

How to Use

• Mount the die head onto the pipe welding machine spindle and secure with the locking nut
• Set the welding machine temperature to 260°C (±10°C) and allow to reach operating temperature (indicator light off)
• Push the pipe end onto the spigot and the fitting socket onto the socket die simultaneously for the specified heating time (see pipe manufacturer’s fusion table)
• Remove both pipe and fitting from the die head simultaneously and push together immediately — do not rotate
• Hold the joint still for the specified cooling time before applying pressure

FAQ

Q: Is this die head compatible with all pipe welding machines?
A: The die head mounting spindle diameter varies between welding machine brands. Verify the spindle diameter of your welding machine before ordering. Most Chinese-manufactured pipe welding machines use a standard spindle size, but European brands (Rothenberger, Rems) may differ.

Q: How do I know when to replace the die head?
A: Replace the die head when the PTFE non-stick coating is scratched, peeling, or discoloured, causing pipe material to stick to the die during welding. A damaged PTFE surface produces poor-quality welds and increases the risk of joint failure.

Package Contents

• 1 × Hot melt die head for PPR / PE pipe welding machine (size as selected: 75mm or 90mm)

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