Powered by Made-in-China.com
Tight Sealing Anti-Backflow Check Valve for Heating System with Pressure Test Report
US$10.00-100.00
1 Piece
Product profile
Customization
AvailableMedia
WaterTemperature
Ordinary TemperatureMaterial
BrassConnection Form
FlangeStructure
ButterflyPressure
Ordinary TemperatureFunction
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg SilenceSealing Form
Gland Packings Globe ValveFlow Direction
BidirectionalStandard
ANSIApplication
Industrial Usage, Water Industrial Usage, Household UsageCustomized Support
ODM OEMSurface
SmoothWorking Temperature
-20~160Color
SilverTransport Package
Solid Wooden CaseSpecification
CustomizedOrigin
ChinaKey features
Superior Corrosion Resistance: Inner cavity fully lined with PTFE, resistant to almost all corrosive chemical liquids.
Robust Stainless Steel Structure: 304/316 stainless steel valve body with high mechanical strength and pressure resistance.
Reliable One-way Sealing: Vertical swing structure achieves excellent zero-leakage sealing to prevent backflow.
Wide Application Scope: Suitable for chemical, pharmaceutical, wastewater, and electroplating industries.
Customizable Standards: Supports customized calibers, pressure classes, and flange standards (GB, ANSI, DIN).
Strict Quality Control: Manufactured according to national standards with complete pressure and material testing.
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 detail information, like size, material, pressure, and model.
Q:What is the MOQ requirement?
A:
For small sizes like 1'-4' (DN25-DN100), the MOQ is 20pcs for each size. Generally, it depends on your order.
Q:What is the warranty period?
A:
The warranty time is 12 months after leaving our factory. We can repair or change due to quality problems.
Q:What are the payment terms?
A:
Mainly T/T, Western Union & PayPal are applicable. Payment Term: 30% prepayment, 70% balance paid before shipping or against copy of BL.
Q:Can you manufacture valves according to different standards?
A:
Yes. We can manufacture GOST, JIS standards for different pressure, temperature, and size according to different needs.
Send Inquiry
*To:Zhejiang Lierduo Valve Co., Ltd.
Zhejiang Lierduo Valve Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Anti-Backflow Corrosion Resistant UPVC Check Valve for Farm Irrigation & Domestic Water Supply Systems
US$0.18-0.30
3,000 Pieces(MOQ)
JIS F7314 for Ship Piping Systems Globe Check Valve with Flange Connections
US$30.00-90.00
1 Piece(MOQ)
Premium 1/2 Inch Brass Anti-Backflow Check Valve for Water Pumps
US$0.80
2,000 Pieces(MOQ)
Vertical Silent Lift Check Valve with Flange for Low Noise Water System
US$20.00-150.00
10 Pieces(MOQ)
Slow Closing Butterfly Check Valve for Fire Fighting Water Systems with EPDM Seal
US$89.00
5 Pieces(MOQ)
High-Temperature Flange Lifting Check Valve for Anti-Reflux Systems
US$80.00-100.00
100 Pieces(MOQ)
Silent Household Boiler Three-Way Valve with Duckbill Check for Heating Systems
US$2.54
2 Pieces(MOQ)
Power Plant Check Valve for Feed&Drain Water System
US$200.00-3,000.00
1 Set(MOQ)
Ductile Iron Silent Check Valves with Ss Filter for Pn16 Water Systems
US$2.54
2 Pieces(MOQ)
