Can you provide complete customs clearance documents?

Each shipment includes a Commercial Invoice, Packing List, Certificate of Origin (CO/Form F), and Material Test Certificate (MTC). Special documents are available upon request.

What materials and standards are used for these flanges?

We use Ductile Iron ASTM A536 GRADE 65-45-12 (QT450-10). Threaded standards include ASME B.1.20.1, ISO 7-1, and GB7306. Design standards include ISO6182, AWWA C606, and GB5135.11.

What is the maximum pressure rating for these fittings?

The maximum pressure rating is 363 PSI. Custom working pressures up to 300psi are also available based on specific requirements.

Grooved Flange for Fire Fighting Ductile Iron Casting Flanges

Name: Grooved Flange for Fire Fighting Ductile Iron Casting Flanges
Brand: Maitolead Pipeline Technology(Tianjin)Co., Ltd.
SKU: 2127088032

Tianjin, ChinaMaitolead Pipeline Technology(Tianjin)Co., Ltd.

US$5.88-6.08

50 Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

After-sales Service

Onlie

Warranty

Model NO.

flange

Connection

Grooved and Threaded

Flexible or Rigid

Flexible / Rigid

Material

Ductile Iron

Standard

Technic

Casting

Surface Treatment

Epoxy&Painting & Galvanizing

Working Pressure

300psi

Tensile Strength

660MPa

Elongation

>17%

Color

Red ,Orange ,Blue, Grey White

Sample

Sample Freely

Delivery Time

15-30 Days

Port of Dispatch

Tianjin

Transport Package

1. Cartons Without Pallets; 2. Cartons with Pallet

Specification

1"-12"

Trademark

Maitolead

Origin

Hebei, China

HS Code

7307110000

Production Capacity

50000tons/Year

Key features

FM Approved & UL Listed: Core products hold UL/FM certifications for fire protection, pipes, valves, and seismic bracing.

High-Strength Ductile Iron: Made from ASTM A536 Grade 65-45-12 with tensile strength up to 660MPa and elongation >17%.

Flexible Connection Options: Grooved and threaded connections compatible with rigid or flexible couplings for leak-proof seals.

Corrosion Resistant Finish: Available in red paint, epoxy, electroplated, black, or hot-dip galvanized surface treatments.

Wide Size Range: Sizes available from 1 inch to 24 inches to fit various fire fighting and water supply systems.

Fast Installation: Designed for quick assembly and disassembly without welding, minimizing labor costs and downtime.

Global Project Experience: Successfully installed in landmark projects like Beijing Daxing Airport and Riyadh Hospital.

Custom Manufacturing: Offers customized technic, surface treatment, and working pressure based on client drawings.

Company profile

Maitolead Pipeline Technology(Tianjin)Co., Ltd.

Tianjin, China

Business Type: Trading Company, Group CorporationAverage Response Time: ≤2.47h

AI-Powered supplier vetting

SummaryMaitolead Pipeline Technology (Tianjin) Co., Ltd. is identified as a Chinese trading company/group corporation focused on industrial equipment and components, including multiple pipe fitting, flange, and valve categories. It has self-operated import and export rights, reports that exports comprise 90% of total sales, and is located in Tianjin with service proximity to Tianjin Port. Its stated service infrastructure is limited: no overseas showroom, agents, branches, or reported offline trade-show participation. R&D resources are minimal, with one R&D engineer and no new products launched in the past year; ODM, SDK, and well-known-brand OEM services are unavailable. Customization from samples is offered. Complaint handling, corrective/preventive action, and approved-supplier-list procedures are not documented in the provided data. Certification, production facilities, customer cases, raw-material traceability, and quality assurance remain unverified.

Supplier typeThe supplier is explicitly described as a trading company and group corporation, with a limited-company ownership structure and a business focus on industrial equipment and components. Its listed offerings cover pipe fittings, flanges, and valves, while the registered and physical addresses are both in Tianjin.

After-Sales capabilityThe supplier has no overseas showroom, overseas agents or branches, and no reported offline trade-show participation. It also has no written procedures or records for customer complaints or corrective and preventive actions, indicating documented after-sales processes are not demonstrated.

R&D capabilityThe supplier reports one R&D engineer and no new products launched in the past year. It also does not provide ODM services, SDK availability, or OEM services for popular brands, which indicates limited demonstrated innovation capability.

Customization capabilityThe supplier explicitly states that it provides customization from samples. This is direct evidence of a sample-based customization service, although no broader engineering or design capacity is specified.

Product Q&A

Q:Are your products compliant with international certifications?

Yes, our core products hold UL/FM certifications for fire protection, pipes, valves, and seismic bracing. CE-PED is available for pipes and valves. Regional certifications like SASO and GOST are available upon request.

Q:Can you provide third-party test reports or certification documents?

Absolutely! We supply factory inspection reports (material composition, pressure test data), original certifications (ISO 9001, lab accreditation), and material test certificates with each shipment.

Q:Is your export packaging suitable for long-distance shipping?

Yes, we use 3-level protective packaging including vacuum sealing with anti-corrosion oil, moisture-proof wooden crates with steel strapping, and container solutions with desiccants and shock-absorbing fillers.

Q:Do you support EXW/FOB/CIF/DDP Incoterms?

We offer flexible options: EXW (pickup at factory), FOB (major Chinese ports with export clearance), and CIF/DDP (partnering with preferred freight forwarders for door-to-door quotes).

Q:What is your production and delivery timeline?

Standard products take 15-20 days after order confirmation. Customized products take 25-30 days, subject to drawing approval. Normal delivery times are generally 30-45 days after receiving the deposit.