What are the main reasons for electrofusion welding failure?

Major causes include 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 insertion depth and joint quality.

What ensures the effectiveness of electrofusion welding?

Effectiveness depends on proper surface preparation, including scraping to remove oxidation and wiping with isopropanol to remove dust, ensuring surfaces are dry before welding.

HDPE Reducer Fitting

Name: HDPE Reducer Fitting
Brand: Ningbo Sunplast PiPe Co., Ltd.
SKU: 1955575151

Zhejiang, ChinaNingbo Sunplast PiPe Co., Ltd.

US$1.00

100 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1year

Warranty

15 Years in Quality Guarantee

Model NO.

DN32*25mm~ DN400*315mm

Material

HDPE

Connection

Socket

Transport Package

PP Bags and Cartons

Specification

25-315

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 DN32x25mm to DN400x315mm, covering SDR11-PN16 and SDR17-PN10 ratings.

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

Reliable Jointing: Electrofusion process ensures stronger, more reliable joints suitable for gas pipelines.

Easy Installation: Simpler process with lighter equipment, reducing installation and labor costs.

15-Year Warranty: Comprehensive 15-year quality guarantee for normal use with professional support.

Company profile

Ningbo Sunplast PiPe Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2016-12-30Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤3.28hTerms 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 and rubbing the surface, applying strain, applying electrical current, cooling, opening clips, documenting the process, and final cleaning.

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

Both are common. Butt fusion is cheaper in material costs, while electrofusion offers simpler installation, lower labor costs, and more reliable joints, especially in tight spaces.

Q:Can HDPE electrofusion coupler be used for 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 fittings?

Yes, all HDPE electrofusion fittings have a barcode. Workers can scan it to automatically input welding parameters into the machine.

Q:Can PE100 fittings weld to PE80 pipe?

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