Our customized one-way check valves and mini umbrella valves represent the pinnacle of micro-fluidic control technology. Engineered from medical-grade silicone rubber, these miniature valves provide reliable directional flow control, bubble-tight sealing, and long-term durability in compact spaces. Perfect for applications where size, reliability, and precision matter most.

• Ultra-Compact Design: Minimal space requirement with maximum performance
• Quick Response: Rapid opening and closing for precise flow control
• Bubble-Tight Seal: Prevents backflow and contamination
• Low Cracking Pressure: As low as 0.1 PSI for sensitive applications

• Reliable Unidirectional Flow: Ensures fluid/gas moves in one direction only
• Multiple Configurations: Vertical, horizontal, and custom orientations
• Silent Operation: Smooth, quiet performance in medical and laboratory equipment
• Zero Leakage: Maintains system integrity and prevents cross-contamination

• Size Variation: From mini to standard sizes, meeting your space constraint requirements
• Shape Modification: Custom flip-top designs, installation configurations
• Material Thickness: Optimized according to your pressure and flow requirements
• Integrated Features: Molded connectors, mounting flanges, assembly accessories

• Specific Burst Pressure: Precisely calibrated to meet your application needs
• Flow Characteristics: Optimized for liquid or gas applications
• Chemical Compatibility: Custom compounds for highly corrosive media

1. How to choose materials?
   The selection of materials needs to be used according to the environment, including the medium, temperature, pressure, etc.
2. How to deliver the goods?
   for small order, we can deliver by express, such as DHL, FEDEX, UPS,TNT.etc. for large order , we can deliver by air or by ship .
3. Are you a manufacturer ?
   Yes.We are specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:2015, and the materials used comply with REACH and RoHS regulations. Accept customization and OEM production.
4. Do you provide samples ? is it free?
   Yes, we will offer the sample for free charge but you need to pay the cost of freight.
5. How is the quality?
   All manufacturing processes confirm to the ISO-9001:2015 system, 100% inspection before shipment.