What is the pressure rating?

The pipes are rated for PN10, PN16, PN25, and PN40 pressure levels.

Is an inspection certificate provided?

Yes, an inspection factory certificate is issued for every shipment.

What materials are used for the pipe?

The pipe is made of Ductile Cast Iron GGG50 with SBR gasket material.

ISO2531 Di Pipes for Water Supply and Infrastructure

Name: ISO2531 Di Pipes for Water Supply and Infrastructure
Brand: DINGGIN HARDWARE(DALIAN) CO., LTD.
SKU: 1941060502

Liaoning, ChinaDINGGIN HARDWARE(DALIAN) CO., LTD.

US$650.00-750.00

25 Tons

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

Long-Term Use

Type

Ductile Iron Pipes

Usage

Water Supply

Joint Type

Flexible Joint

Section Shape

Round

Certification

ISO2531, EN545, EN598, ISO4179, ISO8179

Shape

Round

Customized

Gasket Material

SBR

Model Number

K9,K8,C25,C30,C40

Length

6m/5.7m

Hardness

230

Pipe Wall Thickness

6.0mm--15.3mm

Pull Strength

420MPa

Yield

300

Material

Ductile Iron

Internal Coating

Mortar Cement Lining/High Alumina Cement Mortar Li

External Coating

Zinc + Bitumen Painting /Epoxy Painting

Transport Package

in Bulk /by Container

Specification

DN80-2600

Trademark

Dinggin

Origin

Liaoning China

HS Code

73269090

Production Capacity

12000 Ton/Month

Key features

Multiple Certifications: Complies with ISO2531, EN545, EN598, ISO4179, and ISO8179 standards.

Customizable Models: Available in K9, K8, C25, C30, and C40 pipe classes.

Flexible Joint Options: Supports Push-on, K type, and self-restrained joint types.

Diverse Coating Choices: Internal and external coatings customizable per customer requirements.

High Pressure Rating: Rated for PN10, PN16, PN25, and PN40 pressure levels.

Versatile Applications: Ideal for water supply, drainage, sewage, and irrigation projects.

Factory Inspection: Inspection certificate issued for every shipment.

Standard Lengths: Effective lengths of 6m for bulk and 5.7m for container shipments.

Company profile

DINGGIN HARDWARE(DALIAN) CO., LTD.

Liaoning, China

CertifiedBusiness Type: Trading CompanyExport Year: 2011-11-25Nearest Port: DALIAN, QINGDAO, TIANJINAverage Response Time: ≤9.45h CertifiedTerms of Payment: LC, T/T, D/P CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryDinggin Hardware (Dalian) Co., Ltd. is identified as a Chinese trading company established in 2011, with 21 employees and 10 reported production lines. It offers cast iron, ductile iron, stainless steel, IBC, baluster, ornament, and chain products, with stated standards for several pipe and fitting categories. Reported output includes 60,000 tons of ductile iron pipes and fittings and 12,000 tons of cast iron pipes and fittings annually, while export sales account for 71%–90% of total sales. The supplier claims online support, after-sales service, quality management practices, and sales to 45 countries. However, supplier-management-system certification is listed as NIL, R&D experience is limited to two years, and the available information does not establish formal customization capability, financial credibility, or specific customer cases.

Supplier typeThe supplier is explicitly classified as a Trading Company and operates as a limited company in China. Its stated business scope spans hardware, industrial equipment, metallurgy, manufacturing, and construction-related products, with product keywords covering pipes, fittings, IBC tanks, balusters, and tire protection chains.

CertificationsSupplier-management-system certification is explicitly listed as NIL. The supplier claims to follow a quality management system and states that products have relevant certificates and follow standards including BS EN877, CSA B70, ASTM A888, ISO2531, EN545, and EN598, but the actual certificates are not provided in the slices.

After-Sales capabilityThe supplier explicitly offers communication by email, phone, and WhatsApp, along with online support and after-sales service. It also describes a team focused on quality control and customer service, providing direct evidence of stated support capability.

Production capacityThe supplier reports 10 production lines and annual output of 60,000 tons of ductile iron pipes and fittings, 12,000 tons of cast iron pipes and fittings, and 1,000 IBC pieces. It also reports a 182.3 m² manufacturing plant and one-month fulfillment times in both peak and off-peak seasons, providing explicit evidence of production and delivery capacity.