Can you provide 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 is the warranty period for these couplings?

We provide a warranty of more than 3 years for our ductile iron grooved flexible reducing couplings.

What is the maximum working pressure for these fittings?

The maximum pressure rating is 363 PSI, with a standard working pressure of 300psi available for customization.

FM UL Ductile Iron Grooved Flexible Reducing Couplings for Firefighting System

Name: FM UL Ductile Iron Grooved Flexible Reducing Couplings for Firefighting System
Brand: Maitolead Pipeline Technology(Tianjin)Co., Ltd.
SKU: 2122670832

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

US$0.90-1.05

50 Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

After-sales Service

Onlie

Warranty

Model NO.

02B

Connection

Grooved

Flexible or Rigid

Rigid and Flexible

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

2"-8"

Origin

Hebei, China

HS Code

7307110000

Production Capacity

50000tons/Year

Key features

FM & UL Certified: Core products hold UL/FM certifications for fire protection and seismic bracing systems.

High Strength Material: Made from ASTM A536 Grade 65-45-12 ductile iron with tensile strength up to 660MPa.

Wide Size Range: Available in sizes from 1 inch to 24 inches to fit various piping system requirements.

Corrosion Resistance: Surface treatments include epoxy, hot-dip galvanizing, and painting for durability.

Flexible Installation: Grooved design allows quick assembly without welding, reducing labor and downtime.

Global Supply Chain: Trusted by major projects in UAE, Philippines, Spain, and China with reliable delivery.

Customization Options: Custom colors (Red, Orange, Blue, Grey, White) and technical specs available upon request.

Comprehensive Support: Online after-sales service with factory inspection reports and original certifications provided.

Company profile

Maitolead Pipeline Technology(Tianjin)Co., Ltd.

Tianjin, China

Business Type: Trading Company, Group CorporationAverage Response Time: ≤3.72h

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 and seismic bracing, and CE-PED for pipes and valves. Regional certifications like SASO and GOST are available upon request.

Q:What certifications and test reports do you provide?

We supply factory inspection reports, material composition data, pressure test results, and original certifications such as ISO 9001 and lab accreditation with each shipment.

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

Yes, we use 3-level protective packaging including vacuum sealing, anti-corrosion oil, moisture-proof wooden crates, and desiccants to ensure safety during long-distance or extreme climate shipping.

Q:What Incoterms do you support?

We support flexible options including 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 the production and delivery timeline?

Standard products take 15-20 days after order confirmation, while customized products take 25-30 days subject to drawing approval.