What are your packaging standards?

We use seaworthy export-standard packaging like reinforced crates or pallets. Customized packaging solutions are available for specific logistical needs.

Can you provide samples before a bulk order?

Yes, we offer free samples for technical evaluation to ensure they meet your project's 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 almost all 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.

Heavy Duty Grooved Ductile Iron Coupling with Flexible Gasket

Name: Heavy Duty Grooved Ductile Iron Coupling with Flexible Gasket
Brand: Hebei Jianzhi Casting Group Porcelain Insulator Caps Co., Ltd.
SKU: 2189042462

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$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

Coupling

Type

Grooved Coupling, Grooved Elbow, Grooved Tee

Material

Ductile Iron / Gray Iron / Carbon Steel

Pressure Rating

Pn10 / Pn16 / 300 Psi

Size

DN25-DN200

Surface Finish

Black Painted, Hot-DIP Galvanized, Epoxy Coating

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

HS Code

7307110000

Key features

40 Years Manufacturing Experience: Over 40 years of R&D and manufacturing expertise ensures stable quality and high precision.

Premium Material Options: Available in Ductile Iron, Gray Iron, or Carbon Steel for diverse pressure and corrosion needs.

Superior Corrosion Resistance: Features black, hot-dip galvanized, or epoxy coatings for enhanced durability and rust protection.

Fast Grooved Installation: Grooved design allows quick assembly without welding, saving labor and time compared to flanges.

Global Certification Compliance: Certified by FM, UL, CE, ABNT, TSE, SNI, and SIRIM for international safety and quality standards.

Wide Application Range: Ideal for Fire Protection, Water Supply, HVAC, and Petrochemical systems.

Cost-Effective Solution: Reduces installation and maintenance costs, offering higher long-term economic benefits.

Customization Support: Supports custom sizes (DN25-DN200), surface finishes, and specific technical requirements.

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: ≤7.60h 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, ensuring rigorous quality control and full transparency.

Q:Do you maintain stock or is everything made 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 national and international standards like IEC, ANSI, or BS.

Q:What is the standard lead time for orders?

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

Q:What are the accepted payment terms?

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