What standard is the grooved end according to?

The grooved end is according to AWWA C606.

What sizes are available?

Available sizes are from 2' to 12', equal to DN50 to DN300.

What is the working pressure?

DN50-DN200 is 365 PSI, and DN250-DN300 is 362 PSI.

What is the sealing material?

The disc sealing ring and bonnet gasket are EPDM.

What are the main applications?

It is widely used in fire protection systems, sprinkler systems, pump discharge lines and water supply systems.

Fire Fighting Pipes Fire Protection Fire Sprinkler System Ductile Iron Double Flange Swing Check Valve

Name: Fire Fighting Pipes Fire Protection Fire Sprinkler System Ductile Iron Double Flange Swing Check Valve
Brand: Maitolead Pipeline Technology(Tianjin)Co., Ltd.
SKU: 2165653442

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

US$15.00-30.00

10 Pieces

Product specifications

size

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

H44X

Material

Duction Iron

Connection Form

Flanged

Structure

Swing Check Valve

Pressure

300 Psi

Function

Non-Return / Backflow Prevention

Sealing Form

Rubber Sealing / Soft Sealing / EPDM Seal

Flow Direction

One Way

Standard

Awwa C508 / ASME B16.1 Class 125 / UL Listed / FM

Application

Industrial Usage, Water Industrial Usage, Household Usage, Fire Protection System

Customized Support

ODM, OEM

Warranty

3 Years

Color

Red / Customized Color

Transport Package

Wooden Box / Plywood Case / Pallet

Specification

DN50-DN300 / 2"-12"

Trademark

Maitolead

Origin

Hebei, China

Production Capacity

50000tons/Year

Key features

FM & UL Certified: Products meet FM/UL standards for fire protection and water valve applications.

Ductile Iron Construction: Body and bonnet made of Ductile Iron A536 or EN-GJS 450-10 for durability.

OEM & ODM Support: Customized color and design available based on client requirements.

Wide Pressure Range: Operating pressure up to 362psi with options for 350psi and higher.

Multiple Connection Types: Available in Grooved (AWWA C606) and Flanged (ASME/BS) connections.

Comprehensive Warranty: 12-month warranty from shipment covering all quality and leakage issues.

Global Certifications: Includes ISO9001, CE, DNV, LR, CCS, FM, UL, and Bureau Veritas.

Fast Sample Delivery: Sample orders delivered within 2-5 days after deposit confirmation.

Company profile

Maitolead Pipeline Technology(Tianjin)Co., Ltd.

Tianjin, China

Business Type: Trading Company, Group CorporationAverage Response Time: ≤4.17h

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.