Xiamen Better Silicone Rubber Co., Ltd
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Inflatable Silicone Valve
Inflatable Silicone Valve, also known as Air Check Valve, Silicone Umbrella Valve and Mushroom One-way Valve, is a flexible, pressure-operated device made of medical/food-grade silicone. Air Check Valve controls fluid or gas flow by expanding when inflated and retracting when deflated. With features like excellent chemical/thermal resistance (-50°C to 200°C), zero leakage, and adaptability to irregular surfaces, Inflatable Silicone Valves are widely used in medical devices (ventilators), food processing (sanitary valves), and industrial systems (pneumatic controls).
- Disc (Mushroom Head): The core component, typically circular or conical, made of rubber or composite materials.
- Seat: Seals against the disc to ensure tight closure.
2. Working Principle:
- Forward Flow: Fluid/Air pressure lifts the disc off the seat, allowing flow.
- Reverse Flow: When pressure drops or reverses, the disc returns via gravity or spring force, sealing against the seat to prevent backflow.
1. Fast Response: Lightweight disc ensures quick closure, minimizing water hammer.
2. Excellent Sealing: Mushroom-shaped disc provides tight sealing against the seat.
3. Low Flow Resistance: Full-bore design minimizes pressure drop when open.
4. Durability: Corrosion- and heat-resistant materials available (e.g., stainless steel, PTFE-coated).
Inflatable Products: Widely used in swimming rings, air column bags, soccer/basketballs, rubber boats, and other inflatable products for inflation and sealing.
Medical Devices: Medical-grade silicone valves are used in equipment such as laparoscopic surgical devices to ensure sealing and safety during procedures.
Industrial Use: Applied in pipelines, dust prevention, and other industrial scenarios to enhance sealing performance and equipment lifespan.
Inflatable Silicone Valve Installation
1.Pull-in type
These are most common and are well suited for hand assembly. To install one places the long tail through a central bore in the seat, pull it and the valve pops in place.
2.Push-in type
These types are preferred when the placing of a long tail in the central bore is more difficult. For example deep in the bottom of a cylinder. Or when the upstream side of the valve is not accessible. For example when placing the valve in the wall of a tank where the inside of the tank is inaccessible. This type can also be used in automatic assembly.
3.Belleville type
The name speaks for itself, the shape of the membrane looks like a Belleville spring washer held by an elastomeric hinge in the centre. And it acts that way. Typically the valve will pop suddenly open once a predetermined pressure is achieved, This is much different from umbrella valves with inverted stem which are more restrictive. The central stem is located downstream of the valve and is held in place by a retainer. This retainer could be a separate component or an integral part of the device in which it is integrated such as a cap or lid just above the umbrella valve. The seat of this type of valve is much easier to manufacture because it has only one flow orifice.
Umbrella Valves in Stock
Size Customization: Silicone valves can be tailored to specific dimensions to meet unique application requirements.
Material Selection: Available in various materials, including medical-grade silicone, to suit different environments.
Color & Hardness: Customizable in color and hardness based on customer preferences.
Why Choose Us?
①Decades of experience about precision silicone rubber molding production.
②We can offer high precises designs and sizes for silicone rubber valves to support your devices according to your 3D/2D drawings, samples, flowing parameters etc.
③We have Dust-Free Silicone Rubber Compression Molding Plants and Dust-Free Dismantling Plants.
④According to customer demands, most of silicone medical parts should be produced and finished in clean room. Our dust-free plants can up to 100,000 stage.
