What are your packaging standards?

We use seaworthy export-standard packaging like reinforced crates or pallets. Customized packaging solutions are also available.

Can you provide samples before bulk orders?

Yes, we offer free samples for technical evaluation to ensure they meet your project standards before mass production.

Do you have FM and UL certificates?

Yes, we have FM and UL certification. We can also obtain Indonesian SNI, Brazilian ABNT, and other mainstream certifications.

Our standard MOQ is around 5 tons per order.

How is the price determined?

Price depends on size, standard, surface finish, and quantity. Please share your specific requirements for an accurate quotation.

Jianzhi FM Certified Ductile Iron Galvanized Grooved Rigid Pipe Coupling

Name: Jianzhi FM Certified Ductile Iron Galvanized Grooved Rigid Pipe Coupling
Brand: Hebei Jianzhi Casting Group Porcelain Insulator Caps Co., Ltd.
SKU: 2157014302

Hebei, ChinaHebei Jianzhi Casting Group Porcelain Insulator Caps Co., Ltd.

US$0.20-0.50

100 Pieces

Product specifications

Color

Size

Type

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

Standard Rigid Coupling

Material

Ductile Iron / Gray Iron / Carbon Steel

Size

DN25-DN200

Surface Finish

Black Painted, Hot-DIP Galvanized, Epoxy Coating

Type

Grooved Coupling, Grooved Elbow, Grooved Tee

Pressure Rating

Pn10 / Pn16 / 300 Psi

Standards

FM, UL, CE, Abnt, Tse

Application

Fire Protection, Water Supply, HVAC, Petrochemical

Transport Package

480×320×190cm

Specification

480×320×190cm

Trademark

JIANZHI

Origin

China

Key features

FM & UL Certified: Certified by FM, UL, CE, ABNT, TSE, SNI, and SIRIM for global compliance.

Premium Materials: Made from Ductile Iron, Gray Iron, or Carbon Steel for high durability.

Corrosion Resistance: Features black paint, hot-dip galvanized, or epoxy coating for rust protection.

Wide Size Range: Available in DN25-DN400 (2'-16') to fit diverse piping systems.

Quick Installation: Grooved design allows fast assembly without complex welding or flanges.

40+ Years Experience: Trusted manufacturer with over 40 years in R&D and production.

Versatile Applications: Ideal for Fire Protection, Water Supply, HVAC, and Petrochemical systems.

High Reorder Rate: Over 90% customer reorder rate proves reliability and quality.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceIn-stock Capacity

Hebei Jianzhi Casting Group Porcelain Insulator Caps Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤10.02h CertifiedTerms of Payment: T/T, LC, D/P

AI-Powered supplier vetting

SummaryThe supplier demonstrates substantial manufacturing scale for pipe fittings and pipe caps, with stated inventory capacity, one-month lead times in both peak and off-season periods, and broad customization options. Its products and management systems hold multiple certifications, including UL, CE, ABNT, TSE, FM, SNI, SGS, BSI, UKCA, and quality, environmental, occupational safety, after-sales service, and energy-management certifications. However, the supplier is not identified as a professional technical supplier, provides no 3D software, ODM, SDK, or recent new-product development, and lacks raw-material traceability. Overseas service infrastructure is limited: no overseas agents, branches, warehouses, showrooms, or overseas service countries are reported. Corrective-action and complaint-handling procedures are undocumented, while financial capacity is only represented by year labels and cannot be substantively assessed.

CertificationsThe supplier reports product certifications including UL, CE, ABNT, TSE, FM, SNI, SGS, BSI, and UKCA. It also reports certifications covering quality, environment, occupational health and safety, after-sales service, and energy management, providing explicit evidence of broad certification coverage.

After-Sales capabilityThe supplier reports no overseas agents or branches, warehouses, showrooms, or overseas service countries, although it has inventory capacity and accepts several service quotation and payment terms. Complaint handling and corrective/preventive action have no written procedures or records, which limits evidence of a formal after-sales management system.

R&D capabilityThe supplier reports no new products in the past year, no ODM service, no SDK, and no 3D software design service. Although it offers design-based and flexible customization, the stated evidence indicates limited documented product-development and technical innovation capability.

Production capacityThe supplier reports annual productivity of 321,500 tons of pipe fittings and 168,000 tons of pipe caps, inventory capacity, and one-month lead times in both peak and off-season periods. However, there is no valid manufacturing-capacity contract with affiliated subcontractors, so capacity governance has a stated weakness despite the reported scale.

Customization capabilityThe supplier explicitly offers customization from designs, full customization, minor customization, and flexible customization. These options are reported consistently across the supplied capability records, providing direct evidence of broad customization service availability.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a professional manufacturer with dedicated production workshops and advanced machinery, managing the entire process in-house for quality control.

Q:Do you maintain stock or make everything to order?

We maintain strategic inventory of standard fittings for immediate dispatch. For specialized requirements, we provide customized manufacturing based on technical drawings.

Q:How do you guarantee product quality?

Our facilities are ISO 9001:2015 certified. Products undergo strict testing to comply with international standards like IEC, ANSI, and BS.

Q:What is the standard lead time for orders?

The typical lead time is 2 to 4 weeks, depending on order volume and customization requirements such as surface treatments.

Q:What are your accepted payment terms?

We accept T/T (Telegraphic Transfer), L/C (Letter of Credit) at sight, and Western Union.