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FM UL Pipe Fitting Fire Fighting Fire Protection Resilient Osy Gate Valve
US$47.00
10 Pieces
Product specifications
SIZE
Sample price:US$0.10/piece.Request sample
Product profile
Customization
AvailableMedia
Water,Gas,Oil or OtherTemperature
0℃ to 80℃Model NO.
Z41X-02Type
Direct-actingMaterial
Ductile IronConnection Form
FlangePressure
Pn16/Pn25Actuator
ManualSeal Surface
Wedge Gate ValveThread Position of Valve Rod
Inside Gate ValveUsage
Regulation, Safety, Emptying, Drain, Temperature Control, Flow ControlStandard
DINApplication
Industrial Usage, Water Industrial Usage, Household UsageValve Standard
BS5163Flange Standard
En1092-2Certificate
FM/ULSurface Treatment
Internal and External Epoxy Powder CoatingTransport Package
Wooden CaseSpecification
DN50-DN300Trademark
MaitoleadOrigin
ChinaHS Code
8481804090Production Capacity
500000tons/YearKey features
FM Approved and UL Listed
Suitable for fire protection pipeline systems and project requirements.
OS&Y Rising Stem Design
The valve open/close position can be easily observed, suitable for fire protection systems.
Resilient Seated Wedge
EPDM covered wedge provides reliable sealing performance.
Ductile Iron Body
Strong mechanical strength and stable long-term operation.
PN16 / PN25 Pressure Rating
Suitable for different project pressure requirements.
Corrosion Resistant Coating
Internal and external coating improves corrosion resistance.
Wide Size Range
Available from DN50 to DN300 / 2" to 12".
Complete Project Support
Datasheets, FM/UL certificates, test reports, inspection photos, and packing photos can be provided.
Company profile

Business Type: Trading Company, Group CorporationAverage Response Time: ≤3.99h
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:What is an OS&Y gate valve?
A:
OS&Y means Outside Screw and Yoke. The stem rises when the valve opens, so users can visually check whether the valve is open or closed.
Q:What is this valve used for?
A:
This valve is widely used in fire protection, water supply, HVAC, and industrial pipeline systems.
Q:What standard is this valve manufactured according to?
A:
The valve standard is EN1171, and the flange standard is EN1092-2.
Q:What is the pressure rating?
A:
This valve is available in PN16 and PN25 pressure ratings.
Q:What is the difference between OS&Y and NRS gate valves?
A:
OS&Y gate valves have a rising stem, so the open/close position is visible. NRS gate valves have a non-rising stem, suitable for limited-space installation.
Send Inquiry
*To:
Maitolead Pipeline Technology(Tianjin)Co., Ltd.
Maitolead Pipeline Technology(Tianjin)Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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