Can you provide samples before a bulk order?

Yes, we offer free samples for your technical evaluation. We believe in the quality of our metal components and are happy to provide samples to ensure they meet your project's standards before proceeding with mass production.

Do you have FM UL certificate?

Yes ,Not only do we have FM UL certification, but we can also obtain Indonesian SNI certification, Brazilian ABNT certification, and almost all mainstream certifications.

Hi, thank you for your inquiry. Our price depends on several factors such as size, standard (BS/DIN/ANSI), surface (black or galvanized), and quantity. Could you please share more details about your requirements? Then I can offer you an accurate and competitive quotation.

Our standard MOQ is around 5 tons per order.

Jianzhi Galvanized Malleable Iron Socket Pipe Fitting Leak-Proof Coupling for Plumbing

Name: Jianzhi Galvanized Malleable Iron Socket Pipe Fitting Leak-Proof Coupling for Plumbing
Brand: Hebei Jianzhi Casting Group Porcelain Insulator Caps Co., Ltd.
SKU: 2157809992

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

US$0.20-0.50

100 Pieces

Product specifications

Main Items

.Material

Thread

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

10 Year

Material

Malleable Cast Iron

Connection

Female and Male

Pipe Class

150

Pressure

Low Pressure

Surface Treatment

Galvanized or Black

Technic

Casting

Shape

Round

Mounting Hole Diameter

1/8 - 6 Inch

Customized Support

OEM, ODM

Application

Fire Protection System, Drainage System...

Size

1/8", 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2",

Thread Type

NPT, BSPT

Working Pressure

1.6MPa

Properties

Ensile Strength≥300 MPa; Elongation≥5%

Testing

100% Air Pressure Tested

Standard

En 10242,ISO 49, BS 143 & 1256

Transport Package

110×110×110cm

Specification

110×110×110cm

Trademark

JIANZHI

Origin

China

Key features

10-Year Warranty: Comprehensive 10-year warranty coverage for all mechanical defects and material issues.

Certified Quality: FM, CE, ISO9001 certified with 100% air pressure and X-ray testing.

Leak-Proof Design: Precision NPT/BSPT threading ensures permanent tight connections for pipe systems.

Customization Support: OEM and ODM support available for shape, surface treatment, and technical specs.

Versatile Application: Ideal for fire protection, drainage, oil & gas transmission, and industrial piping.

Wide Size Range: Available in sizes from 1/8 inch to 6 inches with various thread types.

Durable Finish: Standard black finish or optional hot-dip galvanized for rust prevention.

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: ≤5.05h 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 a trading company?

Yes, we are a professional manufacturer. We operate our own dedicated production workshops and advanced machinery. By managing the entire manufacturing process in-house, we ensure rigorous quality control and full transparency at every stage of production.

Q:Do you maintain stock, or is everything made to order?

We maintain a strategic inventory of standard power line hardware and fittings for immediate dispatch. For specialized requirements or high-volume orders, we provide customized manufacturing tailored to your specific technical drawings and material specifications (such as QT450-10 or specific galvanizing standards).

Q:How do you guarantee the quality of your products?

Quality is our core priority. All our production facilities are ISO 9001:2015 certified. Our products undergo strict testing to comply with demanding national and international standards (such as IEC, ANSI, or BS). We currently serve major global market players, ensuring reliability in critical power infrastructure.

Q:What are your accepted payment terms?

To facilitate smooth international transactions, we accept: T/T (Telegraphic Transfer) L/C (Letter of Credit) at sight Western Union Cash

Q:What are your packaging standards?

We utilize seaworthy export-standard packaging (such as reinforced crates or pallets) to ensure your goods arrive in perfect condition. We can also provide customized packaging solutions based on your specific logistical or branding requirements.