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Cast Steel Flanged Bolted Cover Check Valve
US$750.00
5-99 Pieces
US$15.00
100+ Pieces
Product profile
Customization
AvailableMedia
Water Oil SteamTemperature
Ordinary TemperatureModel NO.
H44HMaterial
Carbon SteelConnection Form
FlangeStructure
SwingPressure
Ordinary PressureFunction
Ddcv Double Lobe, Nrvr Silence, Nrvz Silence, Nrvg SilenceSealing Form
Check ValveFlow Direction
UnidirectionStandard
ANSIApplication
Industrial Usage, Water Industrial UsageSize
2" to 48"Class
150lb to 2500lbCertificates
API 6D, CE, ISO9001Application Fields
Metallurgy,Light Industrial,Electric Power,PetrochDelivery Detail
20~45 Days According to The Specific QuantitiesTransport Package
Standard Export Wooden CaseSpecification
API598, API6d, ANSI, Bs, DIN, JISTrademark
NAIBANGOrigin
ChinaHS Code
8481300000Production Capacity
8000PCS/YearKey features
Wide Size Range: Available in sizes from NPS 2' to 48' (DN50-DN1200) to fit various pipeline needs.
High Pressure Rating: Supports Class 150lb to 2500lb and PN16-PN420 for demanding industrial applications.
Automatic Backflow Prevention: Swing type disc automatically prevents media backflow without human intervention or actuators.
Low Water Hammer Risk: Smooth fluid passageway and rapid closing actions minimize closing impact and water hammer.
Damping Cylinder Option: Can be designed with a damping cylinder to enhance performance and reduce impact.
Strict Quality Inspection: 100% inspection of finished products including visual and function checks by 3 QA inspectors.
Customization Available: OEM/ODM services and customization from samples or designs are available.
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 CertifiedExport Year: 24 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤5.09h
AI-Powered supplier vetting
SummaryThe supplier demonstrates OEM and ODM capability, customization from samples and designs, five production lines, stated valve production capacity, in-stock service, and documented quality-control and complaint-handling procedures. It reports ISO9001:2015 certification and exports to Southeast Asia, the Middle East, and other countries or regions. However, it lacks a valid manufacturing-capacity contract with its associated subcontractor, overseas warehouses, overseas agents or branches, an overseas showroom, offline trade-show participation, and an available SDK. R&D evidence is mixed: design customization and ODM are available, but no new products were reported in the past year. Financial evidence is limited to year labels rather than assessable financial results, so credibility cannot be determined from the provided data.
Supplier typeThe supplier is presented as a manufacturing-oriented valve supplier with OEM service for well-known brands, in-stock capability, five production lines, and products used in power, water processing, construction, petrochemical, metallurgy, paper, and pharmaceutical applications. It also exports to Southeast Asia, the Middle East, and other countries or regions, but has no overseas agents or branches.
CertificationsThe supplier reports quality assurance in its quality-control processes and holds an ISO9001:2015 certificate along with unspecified additional certifications. The available evidence supports certification holding, although the additional certifications are not identified.
After-Sales capabilityThe supplier has a documented and followed customer-complaint procedure, written supplier-assessment procedures with records, and service proximity to Shanghai and Ningbo ports. However, it has no overseas warehouse, overseas showroom, overseas agents or branches, or stated overseas service coverage, limiting direct international service infrastructure.
Production capacityThe supplier reports five production lines, valve production quantities, in-stock capacity, a one-month peak-season fulfillment time, and a broad equipment base including CNC, lathes, grinding, drilling, cutting, painting, and sand-blasting equipment. However, it lacks a valid contract covering manufacturing capacity with its associated subcontractor, which is a documented operational deficiency.
Customization capabilityThe supplier explicitly offers customization from samples and from designs, and also provides ODM services. These statements directly support both sample-based and design-based customization capability.
Client casesThe supplier states that it provides OEM services for well-known brands and that its products have been used in domestic power stations, wastewater processing, urban construction, petrochemical, oil extraction, metallurgy, fertilizer, paper, and pharmaceutical applications. It also reports exports to many countries and regions, providing concrete application and market references, although no customer names are supplied.
Product Q&A
Q:What is the size range of this check valve?
A:
The size range is NPS 2' to 48', which corresponds to DN50 to DN1200.
Q:What pressure ratings are supported?
A:
It supports Class 150lb to 2500lb and PN16 to PN420.
Q:Does the valve require manual operation?
A:
No, it works automatically to prevent backflow without the need for a wheel or actuator.
Q:What materials are used for the body and disc?
A:
The body is made of ASTM A216 WCB, and the disc is ASTM A216 WCB + 13Cr.
Q:What standards does the valve comply with?
A:
It is designed and manufactured according to API 6D and BS 1868.
Send Inquiry
*To:
Zhejiang Naibang Valve Co., Ltd.
Zhejiang Naibang Valve Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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