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CE ISO Certificate Flanged Gate Valve
US$50.00-10,000.00
1 Set
Product profile
Customization
AvailableMedia
OilTemperature
High TemperatureModel NO.
738Type
Straight-throughMaterial
Stainless SteelConnection Form
FlangePressure
Ordinary PressureActuator
ManualSeal Surface
Wedge Gate ValveThread Position of Valve Rod
Inside Gate ValveUsage
Regulation, Safety, Emptying, Drain, Temperature Control, Flow ControlStandard
JISApplication
Industrial Usage, Water Industrial Usage, Household UsageTransport Package
Wooden CaseSpecification
1/2" ~ 4"Trademark
HUIZHENGOrigin
ChinaHS Code
8481804090Production Capacity
100000PCS/YearKey features
Fire Safe Construction: API 6FA fire-tested design with spiral wound graphite gaskets and braided graphite packing.
Double Block and Bleed: Standard feature providing double isolation and automatic relief of excess body pressure.
Self-Relieving Design: Single piston design allows automatic release of overpressure in the body cavity.
Bubble Tight Sealing: Metal-to-metal seating or soft insert seats ensure superior sealing performance.
Full In-Line Maintainability: Design allows service operations without removing the valve from the pipeline.
Fully Piggable: Designed to allow pigs and scrapers to run through without damaging internal structure.
Stem Sealant Injection: System allows injection of sealant through stem packing release valve in case of leakage.
Customization Options: Available from samples, designs, full customization, minor customization, and flexible customization.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤5.81h
AI-Powered supplier vetting
SummaryThe supplier demonstrates established valve manufacturing and service capabilities, with dedicated engineering, production, pre-sales, after-sales, logistics, and export personnel. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, supports extensive customization, maintains inventory capability, and has 16 years of export experience with 51%–70% of sales from exports. Service procedures for supplier assessment, corrective actions, complaints, and finished-product inspection are documented and followed. However, the supplier lacks an effective manufacturing contract with related subcontractors, has no overseas warehouse or showroom, does not conduct ongoing batch quantity reconciliation, and has no outsourcing SOP. Innovation evidence is mixed: it has 10 R&D engineers and one national science and technology progress award, but no SDK and no new products launched last year. No Fortune 500 cooperation is reported.
Supplier typeThe supplier is a valve manufacturer with five production lines, three subsidiary production workshops, and products including electric, pneumatic, self-operated control valves and ball valves. It also provides OEM services for well-known brands and maintains in-stock capability, indicating a manufacturing-oriented supplier rather than a purely trading entity.
CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, alongside stated quality assurance and documented supplier-service assessment procedures. These certifications and procedures provide explicit evidence of formal quality, occupational safety, and environmental management systems.
After-Sales capabilityThe supplier has five full-time after-sales staff and documented, followed procedures for corrective and preventive actions and customer complaints. It also has inventory capability and identified access to Ningbo and Shanghai ports, but no overseas warehouse or showroom; the available evidence nevertheless supports a defined domestic and export service structure.
Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. Its workshops produce multiple valve categories, reinforcing that customization is connected to an established product-manufacturing base.
Product Q&A
Q:What is the fire safety certification for these valves?
A:
The valves are available in API 6FA fire-tested design, certified by independent authorities.
Q:Can these valves be used for abrasive fluids?
A:
Yes, metal-to-metal seating is available, and faces can be coated with HVOF Tungsten Carbide.
Q:Is it possible to inject sealant if the stem leaks?
A:
Yes, a stem sealant injection system allows injecting sealant through a port on the bonnet.
Q:Do these valves support pigging operations?
A:
Yes, the Flanged End Expanding Gate Valves are designed to be fully piggable without damage.
Q:What is the working pressure range?
A:
Working pressure ranges from 2,000 PSI to 15,000 PSI depending on the specific model.
Send Inquiry
*To:
Zhejiang Huizheng Valve Technology Co., Ltd.
Zhejiang Huizheng Valve Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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