OEM Medical Silicone Valve Cores
Premium medical-grade valve components engineered for precise one-way fluid control, ensuring zero backflow and high-sensitivity opening. Supplied non-sterile for further manufacturing.
Product Architecture
Comprehensive range including duckbill valves, umbrella valves, precision slit valves, and cartridge valves. Detailed dimensions, cracking pressures, and material reports are available in the technical datasheet.
| Structure Type | Dimension Range | Material / Feature |
|---|---|---|
| Standard / Flanged Duckbill | OD 4~10mm / Custom slit | VMQ 50~60A / Ultra-low cracking pressure |
| Structure Type | Dimension Range | Material / Feature |
|---|---|---|
| Umbrella / Slit Diaphragm | Umbrella Ø3~12mm / Disc Ø5~10mm | VMQ / LSR / High-rebound sealing |
| Application | Slit Type | Core Advantage |
|---|---|---|
| Introducer Sheath / Endoscope Channel | Cross-slit / Single-slit | Seals upon instrument entry, instant self-closure upon withdrawal |
| Structure Type | Fitment | Material / Process |
|---|---|---|
| Cartridge Valve (with seat) | Custom to valve seat/port Ø | VMQ Molded + Automated Assembly |
Technical Datasheet
Get the complete specification list, including cracking pressure, flow curves, and dimensional drawings.
Engineered for Critical Assembly & Clinical Requirements
One-way valves are the heart of fluid control. We understand the extreme demands for "anti-backflow," "sensitivity," and "longevity" across different clinical scenarios.
Negative Pressure Wound Therapy (NPWT) & Drainage Canisters
⚠️ Key Application Requirements:
Under continuous negative pressure, the valve must absolutely prevent liquid and gas backflow. Even during canister emptying, micro-debris must not cause seal failure.
🛡️ How Our Components Support You:
Our cartridge valves utilize high-resilience medical-grade VMQ, with strictly controlled mating surfaces via precision molding. They self-close instantly even under extremely low backpressure, maintaining system vacuum and preventing cross-contamination.
Introducer Sheath Hemostasis Valves & Endoscope Channel Valves
⚠️ Key Application Requirements:
As guidewires or endoscopic instruments are repeatedly inserted and withdrawn, the valve must not leak blood or gas while providing ultra-low insertion resistance. Upon withdrawal, it must close instantly without sticking.
🛡️ How Our Components Support You:
We perform precision slitting in a Class 100,000 cleanroom. Our unique LSR formulations combined with laser or blade slitting ensure burr-free, non-sticking edges, achieving millisecond self-closure and minimal insertion force.
Anesthesia Masks & Resuscitation Bags (BVM)
⚠️ Key Application Requirements:
When a patient's breathing is extremely weak, the valve must open to allow air intake at minimal airflow. During exhalation, it must seal tightly to prevent exhaled gas backflow or cross-infection.
🛡️ How Our Components Support You:
We supply ultra-thin umbrella and duckbill valves. By optimizing the umbrella thickness and silicone durometer, we achieve exceptional opening sensitivity. The extremely low cracking pressure (< 0.5 cmH2O) ensures unobstructed patient breathing.
Common Pitfalls & Our Engineering Solutions
Valve failures can be fatal. We design these microscopic risks out before they reach your production line.
⚠️ Slit Sticking (Roofing) & Delayed Rebound
Our Engineering Solution
We utilize high tear-strength LSR and control the micro-roughness of the slit surface. Combined with special post-curing processes, we eliminate surface tackiness entirely, ensuring instantaneous rebound even after hundreds of thousands of cycles.
⚠️ Inaccurate Cracking Pressure (Leaks or Won't Open)
Our Engineering Solution
We enforce strict batch testing of material durometer (±3A). Meanwhile, by controlling diaphragm thickness tolerance (±0.02mm) via precision molding, we ensure every valve's cracking pressure precisely matches your fluid dynamics drawings.
⚠️ Valve Distortion During Assembly
Our Engineering Solution
Our cartridge valves incorporate anti-rotation and guiding structures at the design stage. Furthermore, we offer pre-assembly services (housing + valve core) in our Class 100,000 cleanroom, completely eliminating assembly headaches on your line.
Your OEM Component & Quality Partner
We bridge the gap between your assembly line and the strict compliance requirements of the medical device industry.
Deep Mfg. Experience
Managed by a team with frontline medical device production backgrounds. We understand your assembly constraints and tolerance requirements.
Traceability & Control
Strict batch record management and change control protocols. We prevent unauthorized material substitutions and ensure full traceability.
Lab & Audit Ready
Backed by professionals with third-party lab management experience. We know exactly how to prepare documentation for ISO 13485 and USP Class VI audits.
Need Custom Cracking Pressure or Structures?
If standard valves cannot meet your fluid control demands, send us your 2D/3D drawings or flow curves. Our engineering team will build custom tooling for you.
- Custom slit shapes (Cross / Single / Y-slit)
- Custom LSR durometer modifications
- Pre-assembly services (Housing + Valve)