18mm Silicone Dispensing Valve | OEM Silicone Control Valve Manufacturer

An 18mm silicone dispensing valve is a flexible silicone valve designed to control the dispensing of liquids, creams, gels, sauces, or other semi-liquid products from a container. The 18mm typically refers to the nominal diameter of the valve or the opening/seat area that interfaces with the container closure.

The valve normally remains closed when there is no pressure. When the bottle or container is squeezed, pressure pushes the silicone valve open, allowing the product to flow out. Once the pressure is released, the valve returns to its original shape and closes the opening, helping prevent leakage, dripping, and contamination.

Product Information

Advantages of 18mm Silicone Dispensing Valve

1. Reliable Leak Prevention
The flexible silicone valve automatically closes after dispensing, helping prevent leakage, dripping, and unwanted product backflow.

2. Controlled Dispensing
The valve opening and slit design can be customized to provide controlled product flow and a consistent dispensing experience.

3. Excellent Flexibility
Silicone offers excellent elasticity and recovery, allowing the valve to withstand repeated squeezing and dispensing cycles without easily losing its shape.

4. Wide Application Range
18mm silicone dispensing valves can be used for cosmetics, skincare, food packaging, personal care products, household products, and other liquid or semi-liquid applications.

5. Good Sealing Performance
When properly matched with the cap and container, the silicone valve provides effective sealing and helps protect the product from leakage and external contamination.

6. Durable Silicone Material
Silicone provides good resistance to temperature changes, aging, and repeated deformation, making it suitable for long-term dispensing applications.

Applications of 18mm Silicone Dispensing Valve

18mm silicone dispensing valves are widely used in packaging systems that require controlled dispensing, reliable sealing, and leak-resistant performance. Common applications include:

Cosmetic Packaging
Used for creams, lotions, liquid foundations, makeup products, and other cosmetic formulations. The valve helps provide controlled dispensing while reducing leakage.

Skincare Packaging
Suitable for facial cleansers, serums, moisturizers, gels, and other skincare products. Silicone flexibility allows smooth dispensing from squeeze or pressure-driven containers.

Food & Beverage Packaging
Can be used for sauces, condiments, dressings, syrups, and other liquid or semi-liquid food products where controlled flow and leak prevention are important.

Personal Care Products
Suitable for products such as shampoos, conditioners, shower gels, and body lotions, providing convenient and controlled product dispensing.

Household & Cleaning Products
Used in packaging for liquid detergents, cleaning solutions, and other household formulations that require a reliable dispensing closure.

Why Choose YEJIA as Your 7.8mm Silicone Duckbill Check Valve Manufacturer?

Choosing the right manufacturer is essential for achieving reliable sealing, consistent opening pressure, and stable one-way flow performance. With extensive experience in custom silicone valve manufacturing, YEJIA provides complete OEM solutions from mold design and manufacturing to silicone molding and quality inspection.

1. Precision Mold Manufacturing

YEJIA has an in-house mold design and manufacturing team equipped with advanced processing equipment, enabling tight tolerances, consistent quality, and faster project development.  

2.Premium Silicone Materials

We use high-quality silicone materials with excellent elasticity, durability, and resistance to temperature and chemicals. Food-grade and medical-grade silicone options are available to meet the requirements of different industries.

3. Strict Quality Control

Every production process is monitored under a rigorous quality management system to ensure dimensional accuracy, sealing performance, and product consistency.

4. Cleanroom Manufacturing Capability

For medical, food, and personal care applications, YEJIA provides production in a Class 100,000 cleanroom environment to help meet strict cleanliness requirements.

5.Rapid Prototyping and Mass Production

From prototype samples to high-volume production, we offer flexible manufacturing solutions that help customers accelerate product development and market launch.

6. OEM & ODM Services

We support complete OEM and ODM projects, from concept development and mold fabrication to mass production and global delivery.

7. Certified Manufacturing System

YEJIA operates under internationally recognized quality management systems, including:

· ISO 9001

· ISO 14001

· ISO 13485

· IATF 16949

· ISO 45001

· ISO 14067

· SMETA

8. Global Export Experience

Our rubber and silicone valves are widely used in:

· Personal care packaging

· Food and beverage dispensing

· Medical devices

· Smart home products

· Automotive systems

· Industrial fluid control equipment

With extensive export experience, we understand international quality standards, packaging requirements, and supply chain expectations.

FAQ

1. What is an 18mm silicone dispensing valve?
An 18mm silicone dispensing valve is a flexible one-way dispensing valve designed to control the flow of liquids, creams, gels, sauces, and other semi-liquid products. The 18mm specification generally refers to the nominal valve diameter or the diameter of the valve interface.

2. How does an 18mm silicone dispensing valve work?

When pressure is applied to the container, the pressure opens the silicone slit and allows the product to flow out. When the pressure is released, the silicone valve returns to its original position and closes, helping prevent leakage and backflow.

3. What products can use an 18mm silicone dispensing valve?
It can be used for cosmetics, skincare products, food and sauces, personal care products, household liquids, and other liquid or semi-liquid products that require controlled dispensing.

4. Can the valve prevent leakage?
A properly designed and matched silicone dispensing valve can provide excellent leak-resistant performance. However, sealing performance depends on the valve design, cap, container, product viscosity, and assembly conditions.

5. Can you manufacture valves based on our drawings or samples?

Yes. YEJIA can develop custom silicone duckbill valves based on 2D drawings, 3D CAD files, physical samples, or detailed technical requirements. Our engineering team can evaluate the design and recommend suitable manufacturing solutions. 

6. How long does it take to develop a custom 18mm silicone dispensing valve?
The development lead time depends on the valve structure and tooling requirements. After reviewing the drawings and confirming the design, YEJIA can provide an estimated tooling and sample schedule.

7. Do you provide custom design and mold development services?

Yes. YEJIA offers complete OEM and ODM services, including design assistance, prototype development, mold manufacturing, sample validation, and mass production. 

8. What is the minimum order quantity (MOQ)?

MOQ depends on the valve design, size, and production process. Please contact YEJIA with your project details for a customized quotation.