Can HDPE fittings connect to PVC or PPR pipes?

No. Thermal plastic fittings can only connect to pipes of the same material grade. HDPE fittings can only connect to HDPE pipes, not PVC or PPR.

How can HDPE pipes be connected to PVC pipes?

Since they are different materials, they cannot be heat-fused. Use flanged connection with HDPE flange adaptors and backup flanges to connect to PVC flanges.

Are SUNPLAST HDPE fittings UV resistant?

Yes, they are UV stable and will not structurally degrade. The surface may become slightly waxy after long UV exposure, but this does not affect performance and can be scraped off before welding.

What warranty does SUNPLAST provide?

All fittings are made of virgin PE100, designed for a 50-year lifetime. SUNPLAST provides a 10-year quality warranty for regular use.

HDPE Concentric Reducer/Poly Pipe Reducer

Name: HDPE Concentric Reducer/Poly Pipe Reducer
Brand: Ningbo Sunplast PiPe Co., Ltd.
SKU: 1952857701

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.

DN50~DN800mm

Connection

Welding

Transport Package

PP Bags and Cartons

Specification

20-800

Trademark

SUNPLAST OR OEM

Origin

China

HS Code

3917400000

Production Capacity

8000ton/Year

Key features

Premium PE100 Material: Made of 100% virgin PE100 material, ensuring high quality and durability.

Wide Size Range: Available in diameters from 50mm to 800mm in SDR11 and SDR17 ratings.

Multiple Certifications: Complies with ISO4427-3, EN12201-3, AS/NZS 4129, EN1555, and EN ISO15494.

Leak-Free Fusion: Suitable for butt fusion, creating joints as strong as the pipe itself.

Long Service Life: Designed for a 50-year lifetime with a 10-year quality warranty.

UV Resistant: HDPE fittings are UV stable and resistant to structural degradation.

Custom Logo Service: OEM service available with laser marking, stickers, or embossing.

Fast Delivery: Mass stock for regular sizes; 10-20 days lead time for containers.

Company profile

Ningbo Sunplast PiPe Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2016-12-30Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤1.95hTerms 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:Which SDR of HDPE fittings should be used for SDR13.6-PN12.5 pipe?

To guarantee safety, fittings must have an equal or higher pressure rating. Use SDR13.6 or SDR11 fittings. SDR17 fittings are not suitable for SDR13.6 pipelines.

Q:What types of HDPE fittings does SUNPLAST provide?

We provide HDPE butt fusion fittings (50-800mm, SDR17/11), electrofusion fittings (20-630mm, SDR11/17), and compression fittings (20-110mm, PN16).

Q:Can SUNPLAST provide HDPE fittings in PE80 material?

Yes, PE80 fittings are also available from us.

Q:Can HDPE fittings made of PE100 material be welded with PE80 pipes?

Yes, they can be welded together. However, for the best welding results, we recommend welding PE80 pipes with PE80 fittings.

Q:Is HDPE end cap the same as HDPE pipe end?

Yes, they refer to the same products.