What is the warranty period and after-sales service?

We provide a 1-year warranty and technical support. The product itself is engineered for a service life exceeding 50 years with minimal maintenance requirements.

What are the minimum order quantity and payment terms?

The Minimum Order Quantity is 1 Set. We accept LC and T/T for payment. Lead time is within 15 workdays for both peak and off-season.

High-Quality SDR7.4 Pn25 Durable Pipe Coupling for Pressure Systems

Name: High-Quality SDR7.4 Pn25 Durable Pipe Coupling for Pressure Systems
Brand: Zhejiang Fengfeng Pipe Industry Co., Ltd
SKU: 2285050245

Zhejiang, ChinaZhejiang Fengfeng Pipe Industry Co., Ltd

US$1.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Technical Support

Warranty

1 Year

Model NO.

SDR7.4-250mm

Connection

Welding

Flexible or Rigid

Rigid

Material

HDPE/PE/High-Density Polyethylene

Standard

Product Name

HDPE Electrofusion Coupling SDR7.4 for PE Pipe

Keywords

SDR7.4 High Pressure 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

Key features

Zero-Leakage Electrofusion: Creates homogeneous molecular bonds for permanent, leak-proof joints superior to mechanical seals.

50+ Year Service Life: PE100 material ensures durability and corrosion resistance with virtually no maintenance required.

Smart Automated Welding: Barcode reading ensures precise parameters, eliminating human error and guaranteeing joint integrity.

High Pressure Rating: Rated PN25 (25 bar), ideal for municipal water, gas networks, and industrial chemical lines.

Traceable Virgin Material: Uses certified prime HDPE from leading producers for consistent quality and international certification.

Factory Direct & Stock: Large inventory available with competitive pricing and strict in-house quality control.

Comprehensive OEM Service: Custom branding and products available backed by three manufacturing plants.

Multi-Industry Application: Suitable for water, gas, fire protection, marine, mining, and agricultural infrastructure.

Company profile

OEM ServicesQuality AssuranceProduct Certification100% Finished Products Inspection

Zhejiang Fengfeng Pipe Industry Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 23 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤1.05h

AI-Powered supplier vetting

SummaryZhejiang Fengfeng Pipe Industry Co., Ltd. is a China-based limited company established in 2002, with 77 employees and products focused on HDPE, electrofusion, and buttfusion pipe fittings. It reports customization from samples, annual HDPE pipe fitting output of 1,000,000 pieces, and peak- and off-season lead times within 15 workdays. The supplier exports to Southeast Asia and the Middle East, with exports representing 31%–40% of total sales, and has participated in WORLDBEX. Its documented management evidence includes ISO 9001:2015 certification, an environmental impact assessment report, and recent fire drills. However, it reports no SDK, overseas warehouse, showroom, agent or branch capability. Service procedures, complaint handling, corrective actions, and finished-product inspection procedures exist but lack written records. The provided audit record identifies SGS, but the evaluation result is recorded as 0 and the report has expired.

Supplier typeThe supplier is a China-based limited company with 77 employees, established in 2002, and no stated affiliation with a larger company group. Its product scope is specialized in HDPE pipe fittings, electrofusion fittings, and buttfusion fittings.

CertificationsThe supplier reports an ISO 9001:2015 certificate, an environmental impact assessment report, and regular fire drills during the past year. However, the SGS report shown in the information expired on 2025-04-26, and its evaluation result is recorded as 0, so current external audit standing is not clearly favorable.

R&D capabilityThe supplier explicitly reports no available SDK, which is a stated deficiency for SDK-based development capability. It does report customization from samples, but this supports adaptation capability rather than broader innovation or R&D strength.

Production capacityThe supplier reports annual HDPE pipe fitting output of 1,000,000 pieces and lead times within 15 workdays in both peak and off-season. Its products, export markets, port access, and export methods are specified, but the stated inspection method has instructions without written records, indicating a documentation weakness rather than a proven production failure.

Customization capabilityThe supplier explicitly offers customization from samples, demonstrating a stated ability to develop customized products based on customer-provided samples. No additional evidence is provided regarding engineering resources, tooling scope, or design documentation.

Product Q&A

Q:Why choose Zhejiang Fengfeng Pipe Industry?

We offer factory direct pricing, large stock, and quality assurance. Our fittings range from 20mm to 1400mm, rated PN10 to PN25. We provide custom branding, have large inventory, competitive pricing with strict quality control, and rapidly source all related piping products.

Q:What are the common uses of HDPE/PE/PPR/PERT II pipe and fittings?

They are used in construction, household products, and agriculture. Key applications include drinking water projects, sewage systems, drainage, firewater pipelines, airports, railways, highways, sports venues, geothermal systems, solar/wind farm piping, residential/municipal water distribution, agricultural irrigation, gas distribution, industrial chemical plants, mining slurry transport, and power plant cooling systems.

Q:What is the step-by-step process and anti-leak mechanism?

1. Surface Preparation: Scraping removes oxidation layer. 2. Clamping: Ensures straight alignment. 3. Heating: Voltage melts inner/outer surfaces uniformly. 4. Melting: Fusion bead fills gaps for intimate contact. 5. Cooling: Natural cooling under restraint prevents stress cracks. This creates a stress-free, leak-proof joint.

Q:Why is virgin HDPE material critical for performance?

Virgin HDPE guarantees core performance: High Long-Term Hydrostatic Strength (LTHS) for 50+ year life, superior Environmental Stress Crack Resistance (ESCR), consistent electrofusion quality via stable Melt Flow Rate, and dimensional stability. Recycled materials risk strength loss, cracks, and premature failure.

Q:What is the critical value of using traceable virgin materials for projects?

It mitigates risk by preventing catastrophic failures, serves as a passport for international certifications (CE, ISO, WRAS), ensures the lowest total cost of ownership through zero maintenance for 50+ years, and provides credible quality commitment through traceability to renowned petrochemical producers.