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Differential Pressure Swing Check Valve DN40-DN600 by Huhang China
US$29.00-198.00
1 Piece
Product profile
Customization
AvailableMedia
WaterTemperature
Less Than or Equal to 80 DegreesModel NO.
HADL41XMaterial
Ductile Iron,Stainless Steel,Cast SteelConnection Form
FlangeStructure
SwingPressure
Low PressureSealing Form
Gland Packings Globe ValveFlow Direction
UnidirectionStandard
BS, ANSI,En, ISO, GBApplication
Industrial Usage, Water Industrial Usage, Household UsageTransport Package
Export Standard PackageaSpecification
DN40-DN600Trademark
huhangOrigin
ChinaProduction Capacity
50000PCS/MonthKey features
Zero Backflow Protection: Patented pressure differential principle ensures absolute prevention of backflow contamination.
25% Energy Savings: No inlet pressure reduction design achieves significant energy efficiency improvements.
Premium Material Options: Internal components crafted from high-quality stainless steel or copper alloy for pollution-free performance.
Dual-Chamber Control: Innovative dual-chamber mechanism propels industry standards forward with precise operation.
Compact Straight-Through Design: Optimizes space usage without compromising functional performance or flow capacity.
Customization Available: Flexible customization options including samples, designs, and full customization services.
Comprehensive Certifications: Products meet BS, ANSI, EN, ISO, and GB standards with CE certification available.
100% Quality Inspection: Rigorous visual and functional testing on all finished products ensures excellence.
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: 7 years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤2.58h
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad manufacturing and technical capabilities, including environmental-protection equipment, water-resource machinery, fire-related services, OEM/ODM support, product customization, and SDK availability. It reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and other certifications. Quality, complaint handling, corrective-action, finished-product inspection, and supplier-assessment procedures are documented and followed. Production evidence includes three production lines, inventory capability, ten experienced export-trade staff, and one-month average lead times in both peak and off-season periods. However, the supplier lacks a valid contract with affiliated subcontractors and has no overseas warehouse or showroom. Financial information is identified for 2021–2023, but the provided slices do not disclose financial results or sufficient indicators to assess financial strength. No Fortune 500 cooperation is reported, although OEM service for well-known brands and repeat-buyer...
Supplier typeThe stated business scope covers sales and manufacturing of environmental-protection and water-resource equipment, as well as fire technical services and related technical services. This indicates a manufacturer and technical-service supplier rather than a purely trading entity.
CertificationsThe supplier reports CE and other product-compliance certifications, together with ISO9001:2015, ISO45001:2018, ISO14001, and other management or sustainability certifications. These explicitly support compliance and management-system capability.
After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus written supplier-service assessment procedures. However, it reports no overseas warehouse and no overseas showroom, which limits certain overseas service resources.
R&D capabilityThe supplier reports new products during the past year, ODM capability, SDK availability, and eight R&D engineers. These are explicit indicators of active product-development and technical resources.
Production capacityProduction evidence includes three production lines, inventory capability, standardized finished-product inspection instructions, one-month average lead times in both peak and off-season periods, and quality-assurance procedures. A deficiency exists because the factory and affiliated subcontractors reportedly have no valid manufacturing contract, creating a documented subcontracting-control weakness.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, indicating broad product-development and customization coverage.
Client casesThe supplier reports OEM service for well-known brands and a repeat-buyer preference of 80%–100%, which supports the existence of established customer relationships. However, it reports no cooperation with Fortune 500 companies, and no specific customer names or case details are provided.
Product Q&A
Q:How does the valve prevent backflow?
A:
It uses a patented pressure differential principle that guarantees zero backflow by creating an air gap between inlet and middle chambers when flow ceases.
Q:What materials are used for internal components?
A:
All internal components are crafted with the highest quality stainless steel or copper alloy to ensure pollution-free performance.
Q:Does this valve cause pressure loss?
A:
No, the design ensures no inlet pressure reduction, which contributes to achieving impressive 25% energy savings.
Q:What standards does the valve comply with?
A:
The valve complies with BS, ANSI, EN, ISO, and GB standards, and holds CE certification.
Q:Can the valve be customized?
A:
Yes, we offer flexible customization options including customization from samples, designs, full customization, and minor customization.
Send Inquiry
*To:
Huhang Technology Group Co., Ltd.
Huhang Technology Group Co., Ltd.*Content:
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