Silicone Valve
17.5mm silicone umbrella check valve
70 Shore A hardness
No slit cut
Food-contact-safe solid silicone raw material
Clear color
MOQ: 50,000 pcs/lot
DESCRIPTION
Specification
Product Type | 17.5mm silicone umbrella check valve |
Outer Diameter | 17.5mm |
Hardness | 70 Shore A |
Material | food grade solid silicone |
Color | clear color |
Production Process | compression molding |
Application | food and beverage packaging, skincare packaging, medical devices, cosmetics, personal care products, and more. |
MOQ | 50,000 pcs/lot |
![]()
Product Information
A silicone umbrella check valve is a flexible one-way valve designed to control the flow of air or liquids while preventing reverse flow. Manufactured from high-quality silicone rubber, it features an umbrella-shaped diaphragm structure that automatically opens under pressure and reseals when pressure is released.
Unlike traditional mechanical check valves, a silicone umbrella check valve uses the elasticity of silicone material to achieve automatic opening and closing without springs or complex components. This simple and reliable design provides excellent sealing performance, fast response, and long-term durability in various fluid and air control applications.
The self-sealing diaphragm effectively prevents backflow, leakage, dust, and external contamination while maintaining stable pressure balance inside sealed systems. Due to its compact structure and reliable performance, silicone umbrella check valves are widely used in dispensing packaging, squeeze containers, cosmetic products, medical devices, healthcare equipment, and industrial fluid control systems.
Hopewell provides customized silicone umbrella check valve solutions with adjustable valve dimensions, silicone hardness, opening pressure, and material options to meet different application requirements. With advanced silicone molding technology and professional manufacturing capabilities, Hopewell helps customers develop reliable one-way valve solutions for various industries.
![]()
The silicone umbrella check valve is designed to allow air or liquid to flow in only one direction while preventing reverse movement. Its flexible silicone diaphragm automatically opens and closes according to pressure changes, providing stable and reliable flow control performance.
The umbrella-shaped silicone membrane creates an effective sealing barrier to prevent reverse flow, liquid leakage, and external contamination. This feature helps maintain product integrity and improves system reliability in sealed applications.
The silicone diaphragm is engineered to respond quickly to pressure differences, allowing controlled opening and closing performance. The opening pressure can be customized according to different product designs and application requirements.
Manufactured as an integrated silicone component, the valve eliminates the need for springs or additional mechanical parts. This simple structure reduces potential failure points while providing excellent flexibility, durability, and consistent performance.
Made from high-quality silicone rubber, the silicone umbrella check valve offers excellent resistance to temperature changes, moisture, and various environmental conditions. Different silicone grades, including food-grade and medical-grade materials, are available for specific applications.
The self-sealing silicone diaphragm automatically returns to its original position after operation, helping prevent leakage and maintain airtight protection. It is ideal for applications requiring reliable sealing and long service life.
Hopewell provides customized silicone umbrella check valve solutions with flexible design options, including:
Valve diameter and structure
Silicone hardness (Shore A)
Opening pressure adjustment
Membrane thickness optimization
Material selection
Customized solutions are available for packaging, medical, consumer, and industrial applications.
![]()
Silicone umbrella check valves are widely used in advanced packaging designs where internal pressure management is required.
Typical applications:
Flexible packaging containers
Squeeze packaging systems
Liquid dispensing packages
Airtight storage containers
The valve helps maintain package performance by controlling air exchange and preventing leakage.
For skincare and personal care products, silicone umbrella check valves provide controlled dispensing and improved package protection.
Applications include:
Cosmetic bottles
Lotion containers
Serum packaging
Beauty care dispensing systems
Silicone umbrella check valves are suitable for medical applications requiring reliable one-way control.
Applications include:
Fluid management devices
Medical containers
Sampling systems
Healthcare equipment components
Medical-grade silicone materials are available for projects requiring higher safety standards.
The compact silicone check valve structure is suitable for industrial systems requiring simple and reliable flow management.
Applications include:
Small fluid control devices
Air ventilation systems
Protective sealing components
![]()
With extensive experience in silicone component manufacturing, Hopewell specializes in developing and producing high-performance silicone valves for packaging, medical, consumer, and industrial applications.
Our expertise enables us to manufacture silicone umbrella check valves with:
Stable opening and closing performance
Consistent flow control
Reliable sealing capability
Long-term operational durability
From initial design evaluation to mass production, Hopewell provides complete silicone valve manufacturing solutions tailored to customer requirements.
The performance of a silicone umbrella check valve depends heavily on material consistency and molding precision. Hopewell utilizes advanced silicone molding technologies to ensure stable valve performance and repeatable quality.
Our manufacturing capabilities include:
Precise silicone molding process
Stable valve geometry control
Optimized diaphragm thickness
Excellent elastic recovery performance
Reduced dimensional variation
These advantages help ensure reliable one-way flow control and consistent sealing performance.
Different applications require different flow rates, pressure responses, and sealing forces. Hopewell provides customized silicone umbrella check valve solutions based on specific functional requirements.
Customization options include:
Valve structure and dimensions
Opening pressure adjustment
Silicone hardness selection
Diaphragm design optimization
Material grade selection
Our engineering team supports customers from concept development and prototype testing to tooling and mass production.
A high-quality silicone umbrella check valve requires accurate tooling and optimized mold design.
Hopewell provides:
Silicone valve mold development
Precision mold machining
Product structure optimization
Prototype verification
Production process improvement
Our in-house engineering capabilities help shorten development cycles and improve product reliability.
Hopewell applies strict quality control throughout the manufacturing process to ensure each silicone umbrella check valve meets customer specifications.
Quality inspections include:
Incoming silicone material inspection
Mold verification
Dimensional measurement
Appearance inspection
Elasticity testing
Functional sealing testing
Comprehensive quality management helps ensure stable performance for demanding applications.
Hopewell supports both prototype projects and high-volume production requirements with flexible manufacturing capacity.
Our capabilities include:
Small batch validation
Large-scale production
Customized packaging solutions
Stable delivery management
Whether for packaging components, medical devices, or industrial applications, Hopewell provides dependable silicone valve manufacturing support.
By combining silicone material expertise, precision molding technology, and customized engineering support, Hopewell delivers reliable silicone umbrella check valve solutions for customers worldwide.
From product design and tooling development to mass production and quality inspection, Hopewell helps customers create high-performance one-way silicone valve solutions that meet specific application requirements.
How to Use
If you would like to learn how to use the excellent sealing silicone umbrella check valve, please click the link below for detailed instructions:
Manufacturing Process
Customer Provides 3D Design → Mold Design & Making → Compression Molding → Sampling Inspection → Deflashing → Full Inspection → Functional Testing → Dust Removal & Packaging
![]()
Packaging
Our high quality silicone umbrella check valves are packed in clean polybags and export cartons to ensure hygiene and safety during transit. Custom packaging and palletization are available for bulk orders.
Item Name | PCS/Bag/Carton | Carton Size | N.W. | G.W. | Carton/Pallet | Carton/20ft HC | Carton/40ft HC |
17.5mm silicone umbrella check valve | 50,000 pcs/ carton | 41*31*30cm | 10kg | 11kg | 48 cartons | 430 cartons | 965 cartons |
FAQ
1
Are you a manufacturer or trading company of silicone umbrella check valves?
We are a professional manufacturer specializing in silicone umbrella check valves, with in-house mold design and mold making department.
2
Can I get free samples of food grade silicone umbrella check valve?
Yes. Free samples are available for evaluation, shipping costs will be charged.
3
What is your MOQ of silicone umbrella check valves?
Our MOQ is 50,000 pcs/lot.
4
Can you customize the silicone umbrella check valves?
Yes. We offer full customization services. Please provide your 3D design in STEP format, and our engineering team will evaluate the mold cost, unit cost, and recommended mold cavity configuration for your project.
5
Are your self sealing silicone umbrella check valves food safe?
Yes. Our leak proof silicone umbrella check valves are made from food-grade solid silicone materials. They comply with FDA and LFGB standards and meet European food contact material regulations.
6
Can I visit your factory?
Absolutely! You are warmly welcome to visit our factory.
Navigation
Get in Touch
Mob.: +86 151 1847 9234
E-mail: rosie@siliconinjection.com
Skype: rosie@siliconinjection.com
WhatsApp: +86 151 1847 9234