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Quick Shut-off Wafer Double Disc Check Valve for Reverse Flow Protection with Responsive Spring Assembly
US$10.00-100.00
1 Piece
Product profile
Customization
AvailableMedia
WaterMaterial
AlloyConnection Form
FlangeDriving Mode
PneumaticNominal Pressure
PN1.0-32.0MPaChannel
Straight Through TypeStructure
Floating Ball ValveType
Floating Ball ValveFunction
Atmospheric ValveTemperature
Normal TemperatureStandard
ANSI, ASME, JIS, DINApplication
Industrial UsageMaterials
Wcb+PFAPressure
150lbcColor
Epoxy PaintDiameter
DN15~350mmTransport Package
PlywoodSpecification
CustomizedOrigin
ChinaKey features
Corrosion Resistance: PTFE lined inner cavity provides exceptional resistance to acid, alkali, salt, and strong chemical corrosion.
Zero Leakage Performance: Spring-assisted double-disc structure ensures ultra-tight sealing and fast reverse flow cutoff.
Wide Pressure Range: Nominal pressure ranges from PN1.0 to 32.0MPa and 150lbc for versatile industrial use.
Compact Wafer Design: Lightweight structure with wafer connection allows for convenient installation and maintenance.
ISO9001 Certified: Manufactured under strict quality assurance systems with ISO9001 certification and special equipment license.
Diverse Standards Support: Capable of manufacturing valves according to ANSI, ASME, JIS, DIN, and GOST standards.
Advanced Manufacturing: Equipped with CNC machines, automated coating lines, and precision testing equipment for high quality.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤24h
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad customization, ODM availability, 100% finished-product inspection, two production lines, and access to CNC, molding, machining, oven, press, and spraying equipment. It holds ISO9001:2015 and CE certifications and reports lead times within 15 working days in both peak and off-peak periods. However, service-management controls are incompletely documented, with procedures lacking written records in several areas. The supplier has no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, no recent new-product development, no SDK, and no OEM service for popular brands. Financial information is inconsistent across the supplied records, so financial credibility cannot be reliably assessed. Export-trade experience and total experienced staff are each reported as one, while batch quantity reconciliation and outsourcing SOPs are absent.
Supplier typeThe supplier is a manufacturing-oriented provider with two production lines, extensive machining and processing equipment, ODM availability, and export terms including FOB, CIF, and CFR. It also reports inventory capability, but lacks a valid manufacturing-capacity contract with related subcontractors and has no overseas warehouse or showroom.
CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications supporting quality-management and product-compliance capability.
After-Sales capabilityThe supplier has records for service-capability assessment, an approved-supplier list, and procedures for corrective actions and complaint handling. However, the corrective-action and complaint-handling procedures have no written records, and the service-assessment procedure is not formally written, indicating incomplete service-control documentation.
R&D capabilityThe supplier offers ODM services and broad design customization, but reports no available SDK and no new products during the past year. The evidence supports design-service capability more strongly than ongoing product innovation.
Production capacityProduction capability is supported by two production lines, a broad equipment set covering CNC machining, turning, molding, boring, milling, pressing, oven processing, and spraying, inventory capability, and reported lead times within 15 working days in both peak and off-peak periods. Offsetting weaknesses include no valid manufacturing-capacity contract with related subcontractors and no continuous batch quantity reconciliation.
Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides ODM services. This is direct evidence of broad customization coverage.
Client casesThe supplier states that it does not provide OEM services for popular brands. No specific customer names, completed projects, or verifiable customer cases are provided in the supplied slices.
Product Q&A
Q:What information is needed to recommend suitable products?
A:
Please provide detailed information such as size, material, pressure, and model.
Q:What is the MOQ requirement for small size valves?
A:
For small sizes like 1'-4' (DN25-DN100), the MOQ is 20 pieces for each size. Generally, it depends on your order.
Q:What is the warranty period and coverage?
A:
The warranty time is 12 months after leaving the factory. We can repair or replace products due to quality problems.
Q:What payment methods are accepted?
A:
Mainly T/T, Western Union, and PayPal are applicable. Terms include 30% prepayment and 70% balance before shipping or against BL copy.
Q:Can you manufacture valves according to different customer standards?
A:
Yes, we can manufacture GOST, JIS, and other standards for different pressure, temperature, and sizes according to customer needs.
Send Inquiry
*To:Zhejiang Lierduo Valve Co., Ltd.
Zhejiang Lierduo Valve Co., Ltd.*Content:
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