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8 Inch Double Plate Wafer Type Bronze Disc Check Valve
US$1.00-1,000.00
1 Piece
Product profile
Customization
AvailableMedia
MarineMaterial
Stainless SteelModel NO.
3Connection Form
FlangeStructure
Double PlatePressure
Ordinary PressureFunction
Ddcv Double LobeSealing Form
Gland Packings Globe ValveFlow Direction
UnidirectionStandard
DINApplication
Industrial Usage, Water Industrial UsageCertificate
Lr, Dnv, ISO, CE, SGSStandare
DIN JIS ANSITransport Package
Wooden Case or as Per Clint' S RequirementSpecification
DN40-DN900Trademark
OEMOrigin
Dezhou, ChinaProduction Capacity
20000/MonthKey features
Marine Grade Construction: Designed for marine applications with stainless steel and aluminum bronze materials.
Dual Plate Structure: Wafer type dual plate design ensures reliable non-return check valve performance.
Wide Size Range: Available in sizes from DN40 to DN900 (1.5 to 36 inches) for various pipe needs.
Multiple Material Options: Body and disc available in cast iron, ductile iron, stainless steel, and aluminum bronze.
Comprehensive Certifications: Holds ABS, DNV, LR, CE, ISO9001, and UL certifications for global compliance.
High Pressure Resistance: Rated for working pressures up to 16 bar depending on size and configuration.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-01-13Nearest Port: TIANJIN, QINGDAO, SHANGHAIAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF
AI-Powered supplier vetting
SummaryAfcon Ningjin Yahua Industries Co., Ltd. is identified as a Chinese limited-company manufacturer/factory specializing in industrial valves and related pipe-fitting products. The supplier reports in-house sand casting and powder-coating lines, a 50,000-square-meter facility, annual valve productivity of 7,000 tons, and peak-season order fulfillment within one month. It holds stated certifications including ISO 9000, ISO 9001, ASME, HSE, ABS, CE, DNV-GL, and LR. Evidence also indicates export activity across Europe, the Middle East, the Americas, Africa, and Asia Pacific, with large projects reportedly installed and customer satisfaction achieved. R&D activity, six to ten R&D engineers, and six to ten quality-control staff support its technical and quality capabilities. However, the provided information does not sufficiently establish after-sales service procedures, financial credibility, or detailed customization capability.
Supplier typeThe supplier is described as both a Manufacturer/Factory and a trade company, with a limited-company structure. Its stated business focus is R&D, design, and manufacturing of industrial valves and related pipe-fitting accessories, indicating a manufacturing-oriented supplier despite the trade-company classification in one record.
CertificationsThe supplier states that it holds ISO 9000, ISO 9001, ASME, HSE, ABS, CE, DNV-GL, and LR certifications or approvals for export needs. These explicitly documented certifications support its quality-management and product-compliance position.
R&D capabilityThe supplier states that it conducts R&D and product research in industrial valves, has six to ten R&D engineers, and is developing innovative fire-safe valves with planned API approval. These statements provide explicit evidence of ongoing innovation activity, although the future API approval is not confirmed as already obtained.
Production capacityProduction capability is supported by in-house sand-casting and powder-coating lines, engineering and manufacturing facilities, a 50,000-square-meter site, reported annual valve productivity of 7,000 tons, and a one-month peak-season fulfillment time. The supplier also reports more than eight to ten years of development and manufacturing experience, indicating established operational capacity.
Client casesThe supplier reports exports to Europe, the Middle East, America, Africa, and Asia Pacific, and states that many large projects were successfully installed with complete customer satisfaction. However, no customer names, project names, order references, or independently verifiable case details are provided.
Product Q&A
Q:What materials are used for the valve body and disc?
A:
The body can be made of cast iron, ductile iron, cast steel, stainless steel, or aluminum bronze. The disc is available in ductile iron, stainless steel, or aluminum bronze.
Q:What is the size range for this check valve?
A:
The valve is available in sizes ranging from DN40 to DN900, which corresponds to 1.5 inches to 36 inches.
Q:Does this valve meet marine industry standards?
A:
Yes, it is specifically designed for marine flanges and holds certifications from ABS, DNV, and LR.
Q:What are the working pressure ratings?
A:
Working pressure varies by size: 16 bar for sizes 1.5 to 12 inches, 10 bar for 14 to 24 inches, and max 10 bar for 28 to 36 inches.
Q:What certifications does the product have?
A:
The product holds certificates including ABS, DNV, LR, CE, ISO9001, and UL.
Send Inquiry
*To:
Afcon Ningjin Yahua Industries Co., Ltd.
Afcon Ningjin Yahua Industries Co., Ltd.*Content:
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