PE Hot Melt End Cap

The PE Hot Melt End Cap, also known as a PE pipe cap or PE end plug, is designed for sealing the ends of polyethylene piping systems. Manufactured from high-quality virgin HDPE material through one-piece injection molding, the fitting complies with international standards for PE water supply and gas pipeline systems.

This closed-end fitting is mainly used for pipeline termination, temporary pipe sealing, reserved outlet closure, and abandoned pipe isolation. The Hot Melt End Cap is connected to PE pipes through butt fusion welding, creating a seamless and permanent joint that effectively blocks fluid or gas flow.

Widely used in municipal water supply, gas distribution, agricultural irrigation, chemical drainage, and underground pipeline networks, the fitting provides reliable long-term sealing performance under various working conditions.

Standards & Pressure Rating

Item	Specification
Standards	GB/T 15558, GB/T 13663, ISO 4427, ISO 4437
Pressure Rating	PN10 / PN16
Material	PE80 / PE100
Wall Thickness	SDR11 / SDR17

Products Description

Product Type	Size Range
PE Hot Melt End Cap	DN32 – DN355

Technical Parameters

Technical Item	Requirement
Oxidation Induction Time (210°C)	≥ 20 min
Melt Mass Flow Rate (MFR) Variation	≤ 20%
Material Grade	PE80 / PE100
SDR Rating	SDR11 / SDR17

Key Features & Benefits

Excellent Sealing Performance

The Hot Melt End Cap forms a homogeneous fusion joint with the PE pipe during welding, eliminating gaps and leakage risks. The seamless connection ensures reliable resistance against water leakage, gas leakage, and pressure loss.

Corrosion & Rust Resistance

Made from premium polyethylene material, the fitting offers outstanding resistance to acids, alkalis, moisture, and soil corrosion. Unlike metal fittings, it will not rust, scale, or rot, making it ideal for buried and outdoor installations.

Strong Impact Resistance

The one-piece molded structure provides excellent toughness and pressure resistance. It can withstand ground settlement, external impact, and pipeline stress without cracking or deformation.

Long Service Life

Engineered for long-term durability, the fitting delivers excellent UV resistance and temperature stability. Under normal operating conditions, the service life can exceed 50 years with minimal maintenance requirements.

Easy Installation

Lightweight and easy to handle, the Hot Melt End Cap can be installed quickly using standard butt fusion equipment. It is suitable for both new pipeline projects and maintenance work.

Safe & Environmentally Friendly

Produced from non-toxic virgin PE material, the fitting meets drinking water hygiene standards and is safe for potable water and gas pipeline systems. The welding process requires no open flame and produces no harmful emissions.