What is the testing procedure for the pipes?

All pipes undergo a hydrostatic test for at least 15 seconds at the specified minimum internal test pressure.

ISO2531 Di Flanged Ductile Iron Pipe Manufacturer

Name: ISO2531 Di Flanged Ductile Iron Pipe Manufacturer
Brand: DINGGIN HARDWARE(DALIAN) CO., LTD.
SKU: 1970292965

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

US$650.00-750.00

25 Tons

Sample price:US$10.00/meter.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, AISI

Shape

Round

Customized

Gasket Material

NBR

Hardness

230hbs

Yield

300

Internal Coating

Cement Mortar Lining

External Coating

Zinc Spray+Bitumen Coating

Test

Hydrostatic Test

Techinical Process

Centrifugal Casting

Transport Package

in Bulk /by Container

Specification

DN80-2600

Trademark

dinggin

Origin

China

HS Code

73269090

Production Capacity

12000ton/Month

Key features

Multi-Certification Compliance: Certified under ISO2531, EN545, EN598, ISO4179, ISO8179, and AISI standards.

Customizable Specifications: Offers customized hardness, yield strength, coatings, and technical processes.

Robust Material Properties: Features NBR gaskets, cement mortar internal lining, and zinc spray external coating.

Flexible Joint Design: Round section ductile iron pipes with flexible joint type for water supply systems.

Rigorous Quality Testing: Each pipe undergoes hydrostatic test at minimum internal pressure for at least 15 seconds.

Long-Term Warranty: Provides long-term use warranty with online support for after-sales service.

Company profile

DINGGIN HARDWARE(DALIAN) CO., LTD.

Liaoning, China

CertifiedBusiness Type: Trading CompanyExport Year: 2011-11-25Nearest Port: DALIAN, QINGDAO, TIANJINAverage Response Time: ≤7.30h 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.