What is the working pressure of the coupling?

The working pressure is 2.5 MPa, ensuring reliable performance under high-pressure conditions.

What materials are used for the housing and gasket?

The housing is made of high-strength ductile iron, and the gasket is a molded elastomer for leak protection.

What is the minimum order quantity?

The minimum order quantity is 100 pieces.

Ductile Iron Grooved Coupling Rigid Pipe Joint for Underground Fire Ring Main Networks

Name: Ductile Iron Grooved Coupling Rigid Pipe Joint for Underground Fire Ring Main Networks
Brand: Xinsheng Iron Co., Ltd.
SKU: 2133986212

Shanxi, ChinaXinsheng Iron Co., Ltd.

US$0.70-1.00

300 Pieces

Product specifications

Specification

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Connection

Welding

Flexible or Rigid

Flexible

Model NO.

DN3-6

Material

Iron

Standard

Product Name

Rigid Coupling Grooved Pipe Fittings

Keywords

Grooved Pipe Fittings

Application

Pipe Lines Connect

Color

Red

Wall Thickness

Sch20

Head Code

Round

Shape

Equal

Certification

ASME, ANSI, DIN, JIS, BS, GB, GS, Ks

Working Pressure

2.5 MPa

Sample

Transport Package

Carton/Woven Bag + Pallet

Specification

Standard Specifications or Customized

Trademark

XINGSHENG

Origin

Shanxi, China

Production Capacity

50000pieces/Year

Key features

High-Strength Ductile Iron: Premium ductile iron housing offers high tensile strength, toughness, and impact resistance.

Rigid Non-Deflecting Joint: Creates fixed, non-flexible connections to maintain straight alignment and structural stability.

Leak-Resistant Sealing: Equipped with molded elastomer gasket for continuous, leak-proof sealing of various fluids.

Fast Grooved Installation: Mechanical grooved design allows quick assembly without welding or flanging, saving time.

Wide Application Scope: Ideal for fire protection, HVAC, industrial piping, and high-rise infrastructure projects.

Multiple Certification: Certified by ASME, ANSI, DIN, JIS, BS, GB, GS, and Ks standards for global compliance.

Customization Support: Supports LOGO, color, appearance, and size customization to meet specific project needs.

Professional Manufacturer: Factory with ISO certifications, 166 employees, and 10 years of export experience.

Company profile

Xinsheng Iron Co., Ltd.

Shanxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin PortAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier is a casting and foreign-trade manufacturer offering pipeline connectors, grooves, valves, pipelines, power fittings, ductile iron castings, and hot-dip galvanizing. It demonstrates documented procedures for corrective actions, complaint handling, finished-product inspection, and supplier-service assessment. The supplier supports multiple customization modes, maintains inventory capability, has valid manufacturing contracts with associated subcontractors, and reports ten years of export experience. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and has conducted recent fire drills. Overseas service infrastructure is limited: it reports no overseas warehouse, showroom, agents, branches, or overseas service countries, although it has participated in IFAT Brazil 2025. Financial information is present but materially incomplete and represented only by non-informative placeholder values, so financial credibility cannot be determined. OEM service for well-known brands is...

Supplier typeThe supplier identifies its business scope as casting processing, hot-dip galvanizing, and foreign trade, covering pipeline connectors, grooves, valves, pipelines, power fittings, ductile iron castings, and other castings. This supports classification as an industrial casting manufacturer and exporter.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. These are explicit certification holdings relevant to quality, occupational health and safety, and environmental management.

After-Sales capabilityThe supplier has documented corrective/preventive-action and customer-complaint procedures with records, plus written service-assessment procedures and stated lead times. However, it has no overseas warehouse, showroom, agents, branches, or overseas service countries, limiting the documented overseas service infrastructure.

R&D capabilityThe supplier reports R&D capability with an available SDK, which is explicit evidence of a stated development capability. The slices do not provide details on products developed, patents, technical personnel, or innovation outcomes.

Production capacityThe supplier operates in multiple casting-related product areas, has finished-product inspection instructions that are uniformly followed, maintains inventory capability, and has valid contracts with each associated subcontractor. It also reports a one-month peak-season lead time and an off-season lead time within 15 working days, supporting a positive production-capability assessment.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly demonstrates broad customization coverage.

Product Q&A

Q:Are you a factory or a trader?

We are a manufacturer integrating industry and trade. Welcome to visit our company.

Q:Can I add my LOGO to the product?

We support on-demand customization, including LOGO customization, color customization, appearance size customization, etc.

Q:What payment methods do you support?

We support T/T, Western Union, PayPal, cash, etc. The details can be negotiated.

Q:What are your modes of transportation?

We usually choose the appropriate mode of transportation (sea, air, land) according to the conditions of the goods, or we can choose the mode of transportation according to your requirements.

Q:How can I get an accurate quotation?

You can first send your specific demand information and product pictures, and we will customize a solution for you according to your needs and inform you of the specific price.