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Ductile Iron Double Plate Back Pressure Valve Double Door Wafer 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
Wide Size Range: Available in sizes from DN40 to DN900 (1.5' to 36').
Multiple Material Options: Body and disc available in Ductile Iron, Stainless Steel, Cast Steel, and Aluminum Bronze.
Marine Application Certified: Designed for marine flanges with ABS, DNV, LR, and CE certifications.
Dual Plate Structure: Wafer type dual plate design ensures reliable non-return check function.
High Pressure Resistance: Handles working pressures up to 16 bar depending on size.
Quality Assurance: ISO9001 certified manufacturing with over 10 years of industry experience.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2010-01-13Nearest Port: TIANJIN, QINGDAO, SHANGHAIAverage Response Time: ≤24hTerms 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 are the available material options for the valve body and disc?
A:
The body and disc can be made from Ductile Iron, Stainless Steel, Cast Steel, or Aluminum Bronze.
Q:What is the size range for this wafer type dual plate check valve?
A:
The valve is available in sizes ranging from DN40 to DN900, which corresponds to 1.5 inches to 36 inches.
Q:Which certifications does this valve hold?
A:
The valve holds certifications including ABS, DNV, LR, CE, ISO9001, and UL.
Q:What are the working pressure limits for different sizes?
A:
Sizes 1.5' to 12' support 16 bar, sizes 14' to 24' support 10 or 16 bar, and sizes 28' to 36' support a maximum of 10 bar.
Q:What are the lead times for production?
A:
The average lead time is one month, regardless of whether it is peak or off-season.
Send Inquiry
*To:Afcon Ningjin Yahua Industries Co., Ltd.
Afcon Ningjin Yahua Industries Co., Ltd.*Content:
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