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High Performance White Plastic Check Valve Hydraulic Non Return Valve
US$0.01-0.168
2,000 Pieces
Product profile
Customization
AvailableMedia
WaterTemperature
Low TemperatureModel NO.
DN20Material
POMConnection Form
CartridgeStructure
TubularPressure
Low PressureFunction
Only One-Way Flow Is AllowedSealing Form
SealsFlow Direction
UnidirectionStandard
ANSIApplication
Household UsageSize
8-25mmSpring
SS304Seals
SilOpening Pressure
CustomizableCertification
Acs, RoHS, Reach, WarsTransport Package
Plastic Bag+CartonsSpecification
20mmTrademark
OCOOrigin
ChinaHS Code
8481300000Production Capacity
10000PCS/DayKey features
Zero Leak Performance: Ensures zero leakage at both low and high pressure and temperature conditions.
Low Headloss Design: Generous flow structure promises the lowest headloss for efficient operation.
Compact Installation: Easy to install with sizes ranging from 8mm to 25mm to fit various systems.
Threadless Connection: No thread connection design avoids potential leakage points effectively.
Customizable Opening Pressure: Opening pressure is fully customizable to meet specific application needs.
Wide Material Options: Available in SIL/EPDM/FKM, POM, and SS304 for diverse industrial uses.
Multi-Certification: Products hold ACS, RoHS, Reach, and Wars certifications for quality assurance.
Fast Delivery: Delivery time ranges from 3 to 30 days depending on actual order requirements.
Company profile

NINGBO OCO FLOW TECHNOLOGY CO., LTD.Zhejiang, China
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2019-09-15Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤0.79hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryThe supplier is identified as NINGBO OCO FLOW TECHNOLOGY CO., LTD., a China-based trading company established in 2023. It offers stainless steel fittings, valves, tubes, connectors, and related pneumatic and hydraulic products, with stated customization options and applications across industrial, automotive, food machinery, and medical sectors. The supplier reports six production lines, 2,000,000 stainless steel fittings annually, and 6–10 quality-control staff, but also reports a very small 20.0 m² plant and zero total staff experience in the available data. Export sales account for 71%–90%, with exports conducted directly or through agents. No certification information, after-sales capability, or financial-credit evidence is provided. One buyer and one trade transaction are listed, which provides limited customer-history evidence.
Supplier typeThe supplier is explicitly classified as a trading company and limited company, with the legal name NINGBO OCO FLOW TECHNOLOGY CO., LTD. and the supplier name OCOFLOW. Its headquarters are in Zhejiang, China, and its export activity may be conducted through agents.
R&D capabilityThe supplier states that it has a young, efficient, innovative, and experienced technical team capable of independently designing and developing new products. This is an explicit self-description, but no specific developed products, patents, R&D metrics, or project examples are provided.
Production capacityThe supplier reports six production lines, 6–10 quality-control staff, and annual production of 2,000,000 stainless steel fittings. However, the reported manufacturing-plant area is only 20.0 m² and total staff experience is listed as zero, creating data limitations that prevent a fully strong assessment of production depth.
Customization capabilityThe supplier explicitly states that all listed stainless steel fitting products can be customized and that it produces special specifications according to customer needs. It also claims the ability to design and develop new products independently, supporting a stated customization capability.
Product Q&A
Q:What is the warranty period for this valve?
A:
We provide a 1-year policy after shipment. If there is any problem during this period, please contact us for support.
Q:What are the payment terms accepted?
A:
We accept T/T, L/C, Paypal, etc.
Q:Is custom packaging available?
A:
Yes, custom packaging is available. Standard packing includes transparent plastic bag + neutral carton + neutral box.
Q:What is the delivery time for orders?
A:
Delivery time is 3 days to 30 days, depending on actual orders.
Q:What materials are used for the valve construction?
A:
Materials include External Seal Silicone, Housing POM, Internal Seal Silicone, Core POM, Spring SS304, and Cover POM.
Send Inquiry
*To:
NINGBO OCO FLOW TECHNOLOGY CO., LTD.
NINGBO OCO FLOW TECHNOLOGY CO., LTD.*Content:
Supplier replies will be sent to your registered email
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