Injection Molded Silicone Check Duckbill Valve Seal

• 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, piston- and diaphragm pumps, breathing masks, and more. These elastomeric valves feature a diaphragm-shaped sealing disk or an umbrella shape, serving as effective sealing elements in backflow prevention devices, check valves, vent valves, pressure relief valves, and metering 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 capabilities


• Position-independent functionality


• Variable opening pressure based on 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

Material Use: Our duckbill check valves are made from strict materials, ensuring heavy products with excellent quality that are strong and durable.

Surface Treatment: The smooth surface of our valves does not fade or fall off, providing a beautiful appearance that is also strong and durable.

Excellent Performance: With advanced technology and fine workmanship, our duckbill valves offer a variety of options with excellent quality.

Complete Specifications: We offer customized options to meet your specific needs, ensuring reliable quality with a wide range of specifications.

Support Customization: Our rubber molding for valve seals can be tailored to any environment or application, including silicone valves and rubber to plastic bonded valves. We offer multiple specifications, sizes, and molds, supporting customized drawings and samples.

Design Assistance: We provide design assistance to improve manufacturability, reduce component count, and simplify assembly for your convenience.

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

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

Applications: Our rubber valves are suitable for various uses, including pipe systems, air compressors, one-way flow control valves, and one-way valve replacements.

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 and silicone products. Our range includes rubber gaskets, grommets, bushings, diaphragms, section cups, sealing valves, stoppers, plugs, caps, silicone parts, and custom 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: 

Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves

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

Are you looking for high-quality umbrella valves or one-way check valves? Look no further! Our company specializes in manufacturing these products with precision and expertise. Whether you need samples or have specific design requirements, we are here to assist you every step of the way.

Our terms of payment are flexible, ensuring a smooth transaction process. With a professional team and advanced equipment, we guarantee top-notch product quality. Trust us for all your liquid silicone rubber valve needs!

Don't hesitate to reach out and inquire about our customized umbrella valves and one-way check valves. Let's start a partnership that will exceed your expectations!