What Are Silicone Valves? Types, Applications & Custom Manufacturing

Silicone valves are essential components used across a wide range of industries, from food and beverage to medical devices, home appliances, and personal care products. Known for their flexibility, durability, and excellent sealing properties, silicone valves help regulate fluid, gas, or powder flow under specific pressure conditions.

In this article, we’ll explore what silicone valves are, the different types available, where they’re used, and why custom silicone valve manufacturing is key to performance and reliability.

What Are Silicone Valves?

Silicone valves are elastomeric one-way or two-way valves made from high-quality silicone rubber. These valves are engineered to control the flow of liquids, gases, or powders based on applied pressure. Under no pressure, the valve remains sealed; when sufficient pressure is applied, it opens to allow controlled dispensing or venting.

They are typically produced using:

Compression molding

Liquid injection molding (LIM)

Silicone valves are valued for:

Leak-proof sealing

Excellent flexibility and durability

Resistance to temperature extremes and chemicals

Safe contact with food, beverages, and pharmaceuticals

Types of Silicone Valves

Silicone valves come in a variety of materials, shapes, and functional designs depending on the application.

By Material

Food-grade silicone valves: Certified for direct contact with food and beverages

Medical-grade silicone valves: Biocompatible, suitable for use in medical devices

By Shape & Function

Cross Slit Valves: Designed with intersecting slits for controlled dispensing; widely used in squeeze bottles

Duckbill Valves: One-way valves that open under pressure and close when the pressure drops

Umbrella Valves: Dome-shaped diaphragm valves that regulate one-way flow in fluid or air systems

Flapper Valves: Hinged silicone membranes used for controlled air or liquid flow

Dome Valves: Used for low-pressure venting or directional control

Vent & Relief Valves: Designed for pressure equalization in sealed containers

Applications of Silicone Valves

The versatility of silicone valves makes them ideal for use in a wide range of industries:

1. Food & Beverage Industry

Used in squeeze bottles for condiments like ketchup, syrup, and sauces

Prevents drips and leakage while ensuring clean dispensing

Maintains product freshness through controlled air intake

2. Medical & Healthcare Devices

Medical check valves prevent backflow in IV sets, respiratory devices, and fluid systems

Duckbill and umbrella valves are essential in devices like oxygen masks, blood pressure monitors, and suction systems

Made from medical-grade, biocompatible silicone for patient safety

3. Personal Care & Household Products

Applied in dispensing caps for shampoos, lotions, hand sanitizers, and cleaning products

Provides clean, consistent dispensing while minimizing waste

4. Automotive & Industrial Systems

Used in vacuum and air control systems, fuel systems, and fluid management

Umbrella and flapper valves help maintain flow direction and pressure balance

Custom Silicone Valve Manufacturing

At Yejia Silicone, we specialize in custom silicone valve manufacturing to meet your exact application needs.

To request a custom silicone valve, simply provide:

A 3D drawing or physical sample

Required opening and closing pressure

Application details (fluid type, environment, etc.)

We are happy to sign an NDA to protect your design.

Our Manufacturing Capabilities:

Over 10 years of experience in silicone valve production

In-house mold design and manufacturing

ISO-certified 100,000-class cleanroom for high-purity production

Automated cutting and punching for slit precision

Comprehensive testing: leak-proof, flow rate, pressure, and noise performance

We’ve supplied millions of high-quality silicone valves to global clients across medical, food, and consumer industries.

Why Choose Yejia Silicone for Silicone Valve Production?

✅ 10+ Years of Industry Experience
✅ Custom Mold Design for LSR & Compression Molding
✅ Strict Quality Testing & Traceability
✅ Fast Prototyping & OEM/ODM Service
✅ Trusted by Global Brands & Fortune 500 Companies

Whether you're designing a new product or replacing an existing valve, our team can help you create reliable and high-performance silicone valve solutions tailored to your specifications.

Contact Us for Custom Silicone Valves

If you’re searching for a trusted silicone valve manufacturer for your next project, Yejia Optical Technology (Guangdong) Co., Ltd. is ready to support you with technical expertise and scalable production.

Contact us today to request a quote, sample, or consultation.