What are the typical reasons for electrofusion welding failure?

The main causes are poor joint preparation, contamination during the process, and misalignment of the pipe within the fitting.

Is scraping necessary before Electrofusion?

Yes, the oxidation layer on both edges of the HDPE pipe must be scraped to the marking line to ensure proper fusion.

What is the effectiveness of electrofusion welding?

Properly made joints are as strong as the original pipe. Effectiveness depends on surface preparation, scraping to 0.3mm depth, and cleaning with isopropanol.

Stub Flange HDPE

Name: Stub Flange HDPE
Brand: Ningbo Sunplast PiPe Co., Ltd.
SKU: 1952648201

Zhejiang, ChinaNingbo Sunplast PiPe Co., Ltd.

Stub Flange HDPE

US$0.50

100 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1years

Warranty

15 Years in Quality Guarantee

Model NO.

DN50~DN400mm

Material

HDPE

Connection

Socket

Transport Package

PP Bags and Cartons

Specification

20-1000

Trademark

SUNPLAST OR OEM

Origin

China

HS Code

3917400000

Production Capacity

8000ton/Year

Key features

Premium PE100 Material: Manufactured using 100% virgin PE100 material from top global brands for superior quality.

Wide Size Range: Available in DN50 to DN400mm with SDR11-PN16 ratings for water and PN10 for gas.

Reliable Electrofusion: Simpler installation, lower labor costs, and more reliable joints compared to butt fusion.

Multiple Certifications: Conforms to ISO4427-3, EN12201-3, AS/NZS 4129, EN1555, and EN ISO15494 standards.

Fast Delivery: Mass stock for regular sizes; 10 days for 20ft container, 20 days for 40ft container.

OEM Customization: Custom logo available via laser marking, sticker, or embossing for bulk orders.

Long Warranty: 15 years quality guarantee with 10 years warranty for normal use.

Barcode Integration: All fittings include barcodes for automatic parameter input into welding machines.

Company profile

Ningbo Sunplast PiPe Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2016-12-30Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤2.95hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAP, CIP, FCA, EXW

AI-Powered supplier vetting

SummaryThe supplier is a small limited company with 8 employees offering HDPE pipes and fittings. It is identified as a professional technical supplier and provides extensive customization, ODM, and OEM services, including for popular brands. However, it does not provide 3D software design, has not launched new products in the past year, and has no available SDK. Service-management procedures exist for corrective actions and complaint handling, but no written records were provided. The supplier reports no overseas warehouse, showroom, agent, or branch, although it has attended EXCON CAPECO and accepts several trade and payment terms. Financial records are indicated for 2021–2023, but their contents are not provided. No certification information, production scale, or verified customer case details are available.

Supplier typeThe supplier is explicitly identified as a professional technical supplier, operates as a limited company, and offers HDPE pipes and fittings. It is not part of a larger company group and has 8 employees, indicating a small, independent supplier structure.

After-Sales capabilityThe supplier has procedures for handling customer complaints and corrective and preventive actions, but no written records are available. It has no overseas warehouse, showroom, agent, or branch, while its service coverage is reported as zero countries; these limitations constrain demonstrated overseas after-sales support.

R&D capabilityThe supplier provides ODM services and is described as having R&D capability, but it launched no new products during the past year, lacks an available SDK, and does not provide 3D software design. Its digitalization program has started, but ERP, OA, CRM, and SAP systems are not established or used.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also provides ODM services and OEM services for popular brands, demonstrating broad stated customization capability.

Product Q&A

Q:What is the electrofusion welding process?

Electrofusion welding involves preparing the pipe, marking the connection, applying strain, applying electrical current, cooling, and documentation.

Q:Which is better, HDPE butt fusion or electrofusion fittings?

It depends on the project. Butt fusion is cheaper in material costs, while electrofusion offers simpler installation, lower labor costs, and more reliable joints.

Q:Can HDPE electrofusion coupler be used for welding PPR pipe?

No, HDPE electrofusion coupler is designed only for HDPE pipelines and is not suitable for PPR pipe.

Q:Is there a barcode on the electrofusion fittings?

Yes, all HDPE electrofusion fittings have a barcode that allows the welding machine to automatically input welding parameters.

Q:Can electrofusion fittings made by PE100 material weld to PE80 pipe?

Yes, it is possible. However, we recommend using PE80 fittings to weld to PE80 pipe for the best welding result.