Food Grade Silicone Mushroom Valve for Breast Pumps

• 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

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

Silicone umbrella valves are versatile components used in various applications such as vessel vent valves in automotive fuel tanks, pump valves, breathing masks, and more. These elastomeric valves feature a diaphragm or umbrella-shaped sealing disk, providing reliable backflow prevention and fluid control functions in medical devices, home appliances, cars, and toys.

Key Features:

• Customized design for specific applications


• Durable liquid silicone rubber construction


• Used in one-way check valves, vent valves, and pressure relief valves


• Ensures efficient fluid control and backflow prevention

Enhance your products with the precision and quality of silicone umbrella valves from Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Product advantages:

Product Description:

Introducing the innovative silicone rubber umbrella valve from Zhongshan Melon Rubber & Plastic Products Co., Ltd. This valve is crafted with a 100% rubber or silica gel structure, offering exceptional high temperature resistance. The environmentally friendly material ensures optimal performance without compromising on sustainability.

Key Features:

• 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 for convenience

Benefits of Silicone Rubber Umbrella Valve:

• Enhanced sealing capabilities


• Position-independent functionality


• Variable opening pressure through seat thickness adjustment


• Corrosion, chemical, wear, and aging resistance for durability

Upgrade your systems with the reliable and efficient silicone rubber umbrella valve from Zhongshan Melon Rubber & Plastic Products Co., Ltd.

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 with reliable quality


• Support for customization with multiple sizes and specifications

Custom rubber molding for valve seals using various rubber materials like silicone, EPDM, Neoprene, and more. Design assistance available for manufacturability improvement and assembly simplification.

Manufacturer of rubber valves for pipes, air compressors, one-way flow control, and replacements. Rubber Sleeves 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 a wide range of industrial rubber products. Our offerings include rubber gaskets, grommets, bushings, diaphragms, section cups, one-way check sealing valves, stoppers, plugs, caps, silicone parts, and custom-made seal rings.

Even if you do not have a technical drawing, Zhongshan Melon Rubber & Plastic Products Co., Ltd. has the ability to reverse engineer your product directly from a sample. From simple to highly complex rubber shapes, we take pride in our ability to consistently produce accurate molded rubber products guaranteed to meet your exact specifications and function perfectly within your application.

FAQ: 

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

Product Description:

Are you in need of high-quality Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves? Look no further! Our trading and manufacturing company, equipped with specialized factories and trading departments, is here to provide you with top-notch products. Contact us today to request free samples. While custom designs may incur a sample charge, it is refundable upon reaching a certain order quantity.

Our terms of payment are as follows: 7 days for prototype tooling & samples, 14 days for production mold, and 14-28 days for MOQ. Why choose us? We boast a professional team with extensive experience and utilize high precision equipment to ensure top-notch product quality. Our scientific management and strict cost control measures enable us to offer you the best competitive prices in the market.

Don't hesitate to inquire and get started with our Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves today!