Premium PE100 Electrofusion Coupler 90mm SDR11engineered for Long Term Pipeline Performance

• Customization: Available
• After-sales Service: Technical Support
• Warranty: 1 Year
• Model NO.: S90-SDR11
• Connection: Welding
• Flexible or Rigid: Rigid
• Material: HDPE/PE/High-Density Polyethylene
• Standard: Standard
• Product Name: HDPE Ef Sleeve
• Keywords: SDR11 High Pressure Electrofusion Fitting
• Usage: Water Gas Distribution, Infrastructure Pipeline
• OEM: Available
• Advantage: High Pressure, Leak-Proof, Fast Installation
• Transport Package: Standard Packaging or Customized
• Specification: Standard Specifications or Customized
• Trademark: FENGFENG PIPE
• Origin: Zhejiang, China
• HS Code: 391740
• Production Capacity: 2000000 Pieces/Year
• Package Size: 49.00cm * 46.00cm * 57.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

Zhejiang Fengfeng Pipe's HDPE Electrofusion Coupler is designed for connecting HDPE pipes in water supply, gas distribution, irrigation, mining, and industrial pipeline systems. Manufactured from premium PE100 material, it provides a strong, permanent, and leak-free fusion joint through electrofusion welding technology.

Featuring excellent resistance to corrosion, chemicals, and environmental stress cracking, the coupler ensures reliable performance and a long service life even in demanding operating conditions. Its precision-engineered design allows for quick installation, reducing labor costs and improving project efficiency.

Suitable for SDR11 HDPE pipelines, this electrofusion fitting meets the requirements of modern pipeline networks where safety, durability, and performance are critical.

Key Features:
Made from high-quality PE100 raw material
Strong and reliable electrofusion connection
Excellent leak-proof sealing performance
Corrosion and chemical resistant
High pressure and impact resistance
Fast and easy installation
 

Application

Municipal Water Supply Systems – Secure connection of HDPE pipes in potable water distribution networks.
Natural Gas Distribution Networks – Reliable and leak-free joints for PE gas transmission pipelines.
Agricultural Irrigation Systems – Suitable for drip irrigation, sprinkler systems, and farmland water conveyance.
Industrial Fluid Transportation – Used for conveying chemicals, wastewater, and industrial process fluids.
Mining and Slurry Pipelines – Ideal for abrasive and corrosive media transport in mining operations.
Underground Utility Networks – Long-lasting fusion connections for buried HDPE piping infrastructure.
Drainage and Sewage Systems – Corrosion-resistant solution for wastewater and stormwater applications.
Infrastructure Construction Projects – Widely used in commercial, residential, and public utility developments.
Fire Protection Water Pipelines – Reliable connections for HDPE fire-fighting water supply systems.
Renewable Energy & Utility Installations – Suitable for geothermal, district water, and utility pipeline projects.

Product Parameters

TECHNICAL PARAMETERS
Product Name	90mm PE100 HDPE Electrofusion Coupling SDR11 High Pressure Electric Fusion Socket Sleeve for Water Supply and Gas Distribution Systems
Function	Connects HDPE pipes securely through electrofusion welding
Main Materials	PE100 High-Density Polyethylene (HDPE)
Operating Temperature	-10°C Up to 60°C
Handling	Easy installation
Typical Weight	Very Lightweight Overall
Durability & Maintenance	Excellent resistance to corrosion, chemicals, impact, and environmental stress cracking; service life up to 50 years.

Detailed Photos

STEP 1:PREPARE THE PIPE

STEP 2:INSERT THE FITTING:

Clean the pipe surface and remove the oxidation layer using a pipe scraper. Mark the insertion depth on both pipe ends.

Align the pipe and fully insert it into the electrofusion coupling according to the marked depth.

STEP 3:START ELECTROFUSION

STEP 4:COOL & COMPLETE

Connect the fusion machine to the terminals and scan the barcode or enter the welding parameters. Start the welding cycle.

Allow the fitting to cool naturally for the specified cooling time. Do not move the joint until cooling is complete.

FAQ

1. Why choose us?
Factory Direct Pricing, Large Stock, Quality!
(1).Manufactuer: Fittings 20mm-1400mm, rated PN10-PN25.
(2).Custom branding & products, backed by three plants.
(3).Large inventory
(4).Competitive pricing with strict in-house quality control.
(5).Rapidly source and consolidate piping products.

2.What are common uses of HDPE/PE/PPR/PERT II pipe & fittings?
Zhejiang Fengfeng Pipe Industry's HDPE/PE/PPR/PERT II pipes & fittings are essential from construction materials to household products and agriculture. Their strength, durability, and versatility make them invaluable across industries. Used in urban and rural drinking water projects, sewage and wastewater systems, domestic and industrial wastewater pipelines, drainage and storm-water management, underground firewater pipelines, infrastructure, airports, ports, railways, highway drainage, sports venues, landscape irrigation, geothermal heating/cooling, solar/wind farm water piping, residential, commercial, municipal water networks, agricultural irrigation, greenhouse watering, gas distribution, low/medium-pressure natural gas pipelines, industrial piping, corrosion-resistant chemical processing, mining for slurry/water transport, power plants, and cooling systems.

3.What are the key benefits of Electrofusion Fitting?
Zhejiang Fengfeng Pipe Industry's electrofusion fittings form a zero-leakage, permanent joint through a precisely controlled process creating a homogeneous molecular bond. This is a fusion of materials into a single entity, not just a mechanical seal.

Detailed breakdown of the process and principles ensuring a leak-proof connection:

(1).Core Principle: Molecular Diffusion & Interfusion:
Thermal fusion with HDPE/PPR material at melt temperature (~200-220°C) transitions to a viscous state. Under pressure, polymer chains interdiffuse and entangle, forming a seamless material upon cooling.

(2).Step-by-Step Process to Ensure Zero Leakage

(3).The Role of "Smart" Technology in Guaranteeing Integrity:
Modern electrofusion involves stored data in fittings, read by intelligent welding units ensuring a leak-proof process:
Barcode/Data Matrix: Stores fitting-specific welding parameters (voltage, time, cool time).
Automatic Process Control: Welder reads code, executing cycle automatically, avoiding human errors.
Real-Time Monitoring & Rejection: Welder monitors parameters, aborting cycle if deviations occur, preventing defective joints.
Data Logging: Digital record (date, time, location, parameters) for traceability and proof of leak-proof installation.

(4).Comparison: Why Mechanical Fittings Can Leak:Electrofusion offers superior, permanent, leak-free performance:Feature Electrofusion Joint.Mechanical/Gasketed Joint.Sealing Mechanism Homogeneous molecular bond (pipe and fitting unite). Compression of elastomeric seal against pipe surface.Inherent Weakness None, if procedure followed correctly. Seal aging, hardening, and creep over time. Vibration and thermal cycling sensitivity causing bolts to loosen.Long-Term Performance Static or improves with crystallization. Lifetime equal to the pipe (50+ years). Degrades over time. Requires re-torquing and seal replacement.

Conclusion: The Guarantee of Zero Leakage
Zhejiang Fengfeng Pipe Industry's electrofusion joint is leak-proof, eliminating the potential leakage interface. It combines material science, precision engineering, and process intelligence for a joint that is intrinsically permanent, used in gas distribution, potable water mains, and chemical pipelines.

4.What is the Step of Process Purpose & Anti-Leak Mechanism?
Step 1: Surface Preparation Pipe end is scraped to reveal clean, virgin material, removing contamination that prevents molecular diffusion and weak bonds.

Step 2: Clamping & Alignment:
Pipe and fitting are clamped straight, aligned with a precise gap. Eliminates stress and misalignment that could cause voids or thin spots in the joint.

Step 3: Initiation & Heating:
Voltage is applied to the resistance wire coil in the fitting. Heats uniformly, melting both the fitting's inner surface and the pipe's outer surface. Creates a precise melt zone. Controlled heating prevents incomplete fusion and potential leaks.

Step 4: Melting & Interfusion:
Molten material merges under internal pressure from pipe expansion and fusion bead, ensuring intimate contact. Fusion bead fills gaps, compensating for surface irregularities, ensuring no voids.

Step 5: Controlled Cooling:
Power is cut. Joint cools naturally under restraint. Polymer chains solidify slowly, locking structure in place. Prevents stress cracks and maintains integrity under cyclic pressure and temperature changes.

5.What is HDPE?
High-Density Polyethylene (HDPE) is a thermoplastic from petroleum, known for its high strength-to-density ratio. Strong yet lightweight, HDPE is durable, impact-resistant, and withstands various conditions since the 1950s.
Using virgin HDPE raw materials from traceable sources is crucial for performance, safety, and value. For Zhejiang Fengfeng Pipe Industry, specifying prime resins from SHANGHAI JINFEI PETROCHEMICAL and ZHEJIANG PETROLEUM & CHEMICAL delivers measurable benefits.

(1).Guarantee of Core Performance & Long-Term Integrity
Virgin Material vs. Recycled/Off-Spec Material. Long-Term Hydrostatic Strength (LTHS) ensures fittings meet PE100/PE100RC classification, handling rated pressure for 50+ years. Recycled materials risk strength loss, test failures, and SCG, leading to bursts.

(2).Environmental Stress Crack Resistance (ESCR).Intact polymer structure offers superior chemical and stress resistance, extending lifespan in harsh environments. Low ESCR makes fittings weak, initiating cracks under stress.

(3).Consistent Electrofusion Quality Stable Melt Flow Rate (MFR) ensures uniform heating, inter-diffusion, and cooling during electrofusion, creating a strong bond. Contaminants cause uneven heating, poor fusion, and leaks.

(4).Dimensional Stability & Low-Temperature Toughness Predictable shrinkage for precise molding; retains impact resistance at -20°C, preventing brittle fracture. High warpage, poor tolerances, and brittleness lead to cracks during handling, installation, or freeze-thaw cycles.

6. Critical Value for Projects & Business:
(1).Risk Mitigation & Safety Assurance:
Role: In pipelines, a faulty fitting risks catastrophic failure. Virgin material is key to preventing systemic risks.
Value: Safeguards brand reputation, avoiding huge costs from liability claims, project failures, and environmental damage.

(2).Passport to International Certification & Markets:
Role: All top certifications (CE, ISO, WRAS) demand full traceability and certified raw material performance. Only virgin resin offers this.
Value: A prerequisite for entering regulated markets like the EU, Middle East, and North America.

(3)..Lowest Total Cost of Ownership:
Role: Though initial costs are higher, it ensures a maintenance-free, zero-replacement system for 50+ years.
Value: Dramatically reduces lifetime costs for owners and operators. A single repair (especially excavation) costs more than minor fitting price differences.

(4).Foundation for Credible Quality Commitment:
Role: Traceability to renowned petrochemical producers is a strong quality guarantee.
Value: Provides compelling technical proof in communications with engineers, contractors, and tender boards, significantly building trust and justifying a premium.

Conclusion: The Strategic Message
Using traceable, virgin raw materials sends a strong strategic message to clients, especially internationally:
Zhejiang Fengfeng Pipe Industry's reliability is molecularly engineered. We invest in higher material costs to protect your projects from decades of risk and potential catastrophic costs. This is a 50-year performance warranty.
This shifts the competitive narrative from price to value, responsibility, and risk management, establishing Zhejiang Fengfeng Pipe Industry as a critical infrastructure solutions provider, not just a commodity supplier.