One Way Check Valve Locker Medical Check Valve

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Min Order 20000 Pieces
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Zhongshan World Medical Instruments Co., Ltd

VIP   Audited Supplier 3 years
Profile Certified by SGS/BV
white, red, green, blue, purple, orange, yellow
WD
Carton
plastic
China
84813000
Product Description

One-Way Valve (Check Valve) Product Overview
Inspired by the functional and design principles of medical check valves, this one-way valve ensures unidirectional fluid or gas flow while preventing backflow. Its compact, lightweight, and durable construction makes it ideal for applications requiring precision and reliability.

Key Features & Design

  1. Structure:

    • Valve Body: Engineered with high-grade polymers (e.g., nylon or polypropylene) for chemical resistance and longevity.
    • Sealing Mechanism: A flexible silicone or rubber diaphragm acts as the primary sealing component, responsive to pressure differentials.
    • Spring-Assisted Closure (optional): Enhances sealing efficiency in low-pressure environments.
  2. Appearance:

    • Flat, low-profile circular design (typically 10-25 mm in diameter) with a smooth surface for seamless integration into systems.
    • Color options include translucent/white for visibility or black for UV resistance.
 

Operation Principle

  • Forward Flow: Positive pressure from the inlet flexes the diaphragm, allowing flow.
  • Reverse Flow: Backpressure forces the diaphragm against the valve seat, creating an airtight seal.
 

Applications

  • Inflatable products (e.g., airbeds, life vests, rafts).
  • Medical devices (e.g., respiratory equipment, fluid drainage systems).
  • Industrial fluid/gas control systems.
 

Optional Manual Relief Function
Some models include a central depressible pin for controlled deflation, enabling rapid gas release without compromising valve integrity.

 

Advantages

  • Leak-proof performance even under variable temperatures (-30°C to +80°C).
  • Low cracking pressure (<0.5 PSI) for sensitive systems.
  • Maintenance-free and corrosion-resistant.
 

This valve combines practicality with robust engineering, mirroring the trusted performance of medical designs while adapting to modern technical demands.

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