Premium Food Vacuum Sealing One Way Duckbill Valve

• Media: Water
• Temperature: Low Temperature
• Actuator: Manual
• Material: Silicone
• Structure: Umbrella Valves
• Sealing Form: Gland Packings Globe Valve
• Model NO.: melon230222.
• Stem Thread Position: Outside Screw Stem Globe Valve
• Application: Oxygen Globe Valve
• Standard: Customzied
• Process Way: Compression/Injection
• Tolerance: DIN ISO 3302-M2
• Certification: RoHS/Reach
• Materials: LSR / Silicone
• Working Temperature: -40c-220c
• Design Type: Umbrella, Duckbill, Flapper, etc
• Transport Package: Customzied
• Specification: Customzied
• Trademark: OEM
• Origin: Made in China
• HS Code: 4016101000
• Production Capacity: 500000

Product Description

Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves

At Zhongshan Melon Rubber & Plastic Products Co., Ltd., we offer high-quality customized liquid silicone rubber umbrella valves. These valves are versatile and find applications in various industries, including medical devices, home appliances, cars, and toys.

Our silicone umbrella valves are designed with a diaphragm-shaped sealing disk, providing efficient backflow prevention and fluid control functions. They are commonly used in vessel vent valves, piston- and diaphragm pumps, breathing masks, and more.

Trust our elastomeric umbrella valves for reliable performance in vent valves, pressure relief valves, and metering valves. Enhance the functionality of your products with our durable and efficient silicone umbrella valves.

Product advantages:

Silicone Rubber Umbrella Valve Description

Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Silicone Rubber Umbrella Valve

Key Features:

• 100% rubber or silica gel structure for high temperature resistance


• Environmentally friendly material


• Unblocked design prevents backflow of liquid and gas


• Long service life with no failures


• Low opening pressure of 1-5KPA for easy operation


• Easy installation

Silicone Rubber Umbrella Valve Benefits:

• Enhanced sealing


• Position independent


• Variable opening pressure through seat thickness


• Corrosion, chemical, wear, and aging resistance

Technical Specification
Material	NBR, NR, EPDM, FVMQ,HNBR,LSR,CR,Silicon, PU,SBR,IIR
Size/Color	Customized
Hardness	20-90 Shore A
Processing Way	Compression, injection, injection transfer, extrusion, silicone liquid injection
Certificates	SGS, RoHS. Reach
Packing	PE plastic bags then to the carton / as customized
Payment	T/T, Paypal, Western Union,Payoneer
MOQ	5000 PCS
Shipping Method	SEA,AIR,DHL,UPS,FEDEX,TNT, etc.
Delivery Time	7 days for prototype tooling & samples, 14 days for production mold, 14-28 days for MOQ

Wholesale One Way Valve High Quality Duckbill Check Valves Rubber Duckbill Valve

Company: Zhongshan Melon Rubber & Plastic Products Co., Ltd.

• Strict material selection for heavy, durable, and high-quality products


• Smooth surface treatment for long-lasting beauty and durability


• Advanced technology and fine workmanship for excellent performance


• Customizable specifications to meet various needs with reliable quality


• Supports customization with multiple sizes, complete molds, and quality assurance

Custom rubber molding for valve seals using various rubber materials such as silicone, EPDM, Neoprene, Nitrile, etc. Design assistance available for manufacturability improvement and assembly simplification. Specializing in rubber valves for pipes, air compressors, one-way flow control valves, and replacements.

Material: Natural/EPDM/Silicone/Neoprene/Nitrile or other elastomer rubber

Product Names	Custom Rubber Valve Seal
Material	NR, NBR, HNBR, SBR, EPDM, FKM, SIL, etc.
Hardness	30~90 shores A.
Work Temperature	-40 degree to 250 degree
Size and color	custom
Packing	PE bag & carton box or as the customer's requirement.
Feature	Wear-resistant,Impact-resistant,Heat-resistant,Cold-resistant,UV-resistant,Oil-resistant,Corrosion-resistant,Anti-Slip,longterm lifespan.
Applications	Used in faucets, toilets, fitting, pipes, showers and other industry accessories and auto parts.

Detailed Photos

Welcome to Zhongshan Melon Rubber & Plastic Products Co., Ltd.

With over a decade of expertise, we specialize in crafting precision rubber rings, silicone rings, and various industrial rubber products. Our range includes rubber gaskets, grommets, bushings, diaphragms, section cups, one-way check sealing valves, stoppers, plugs, caps, silicone parts, and custom-made seal rings.

Company Name: Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Product Description:

Whether you have a technical drawing or just a sample, Zhongshan Melon Rubber & Plastic Products Co., Ltd. can reverse engineer your product with precision. Our expertise lies in producing a wide range of rubber shapes, from simple to highly complex, ensuring that each molded rubber product meets your exact specifications and functions flawlessly in your application. Trust us to deliver consistently accurate and reliable rubber products tailored to your needs.

FAQ: 

Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves

Company: Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Q: Are you a trader or a manufacturer?

A: We are a trading and manufacturing company with specialized manufacturing factories and trading departments.

Q: How can I get some samples?

A: Please contact us. We are honored to offer you free samples. It will cost some sample charge for custom designs, but it is refundable when order is up to a certain quantity.

Q: What is your terms of payment?

A: 7 days for prototype tooling & samples, 14 days for production mold, 14-28 days for MOQ.

Q: Why choose us?

A: We have a professional team with rich experiences and high precision equipment which can guarantee the product quality. Through our scientific management and strict cost control, we can offer you the best competitive pricing!

Welcome to inquire, let's get started!