Overview
Our OEM Silicone Rubber Duckbill One-Way Check Valves are precision-engineered for reliable, leak-proof directional flow control in low to medium-pressure applications. Utilizing high-grade silicone and precision injection molding, these valves feature a simple yet effective duckbill design that opens under forward pressure and closes to prevent backflow, ensuring system integrity and preventing contamination.
Basic Information
| Attribute | Details |
|---|---|
| Material | Silicone Rubber (LSR/HCR), FDA/USP Class VI Options |
| Place of Origin | Xiamen, China |
| Brand Name | OEM |
| Valve Type | Duckbill (Umbrella) Check Valve |
| Size (ID/OD) | Fully Customizable |
| Color | Natural, White, Black, or Custom |
| Hardness (Shore A) | 30 – 70 (Customizable) |
| Cracking Pressure | 0.5 – 5 psi (Custom Engineered) |
| Operating Temperature | -50°C to +200°C |
| Flow Rate | Customized to Application |
| Certifications | FDA, LFGB, RoHS, REACH (Material Dependent) |
| Molding Process | Precision Injection Molding |
| OEM/ODM | Available |
| MOQ | Small Orders Accepted |
| Sample | Can Be Provided |
Benefits of Our Products
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Reliable, Zero-Leak Seal: The intrinsic duckbill design provides a positive seal against backflow without requiring springs or balls, ensuring fail-safe operation and minimal maintenance.
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Excellent Chemical & Temperature Resistance: Silicone construction offers broad compatibility with various fluids (water, air, mild chemicals) and stable performance across a wide temperature range.
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Low Cracking Pressure & Minimal Flow Restriction: Engineered for easy opening under low pressure, reducing system workload while maintaining efficient forward flow with low pressure drop.
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Durable & Long-Lasting: Excellent resistance to fatigue, ozone, and compression set ensures long service life even with frequent cycling.
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Customizable Design: We tailor dimensions, durometer, bill length, and flange configuration to perfectly integrate into your specific housing or tubing system.
Quality Assurance
Our quality assurance process is built on systematic control and validation. We employ Statistical Process Control (SPC) during molding for consistency. Each production batch undergoes sample testing for critical performance metrics, including cracking/reseal pressure verification using calibrated test rigs, leak testing under back-pressure, and dimensional inspection. This ensures every duckbill valve delivers reliable, repeatable one-way control as specified for your application.
Why Partner with Us for Your Manufacturing Needs?
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Specialization in Silicone Fluid Components: We possess focused expertise in designing and manufacturing precision silicone valves, offering effective solutions for diverse flow control challenges.
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Full OEM Design & Production Support: We collaborate closely to customize the valve to your requirements and manage the entire process from prototyping to volume production.
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Efficient Manufacturing & Reliable Execution: Our streamlined workflow and controlled molding processes ensure clear communication, consistent quality, and dependable on-time delivery.
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Commitment to Quality & Consistency: Our integrated manufacturing and inspection protocols are designed to produce valves that meet precise specifications with high batch-to-batch reliability.
Factory Show
Our production utilizes dedicated injection molding presses equipped for high-consistency silicone processing. Our in-house tooling workshop, featuring CNC machining and EDM capabilities, allows for the design and fabrication of precision molds that define the critical duckbill geometry. On the production floor, we implement rigorous process monitoring. Finished valves undergo key quality checks, including functional testing for cracking pressure and seal integrity, ensuring the delivery of high-performance, reliable check valves for our global partners.
