High Tolerance Silicone One Way 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 widely used in various applications such as vessel vent valves for automotive fuel tanks, in-and outlet valves for pumps, one-way check valves in breathing masks, and more. These elastomeric valve components feature a diaphragm-shaped sealing disk or an umbrella shape, serving as essential sealing elements in backflow prevention devices, vent valves, pressure relief valves, and metering valves.

Product advantages:

Product Description

Introducing the silicone rubber umbrella valve from Zhongshan Melon Rubber & Plastic Products Co., Ltd. This valve is made of 100% all rubber or silica gel, offering high temperature resistance and environmental friendliness. It is designed to prevent blockages and backflow of liquid and gas, ensuring a long service life without failures.

Key Features:

• High temperature resistance with material options


• Environmentally friendly construction


• Unblocked design for effective flow prevention


• Long-lasting performance


• Low opening pressure for easy operation


• Easy installation process

Benefits of the silicone rubber umbrella valve:

• 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: Made with strict materials for heavy, durable, and high-quality products


• Surface Treatment: Smooth surface that is fade and peel-resistant, ensuring durability and beauty


• Excellent Performance: Utilizes advanced technology and fine workmanship for a variety of high-quality products


• Complete Specifications: Customizable with reliable quality and a wide range of specifications


• Support Customization: Offers safe and reliable quality with multiple sizes and specifications, complete molds, and support for customized drawings and samples

Custom rubber molding for valve seals using various rubber materials to meet specific environmental and application needs, including silicone valve and rubber to plastic bonded valve. Design assistance is available to enhance manufacturability, reduce component count, and simplify assembly. Our company, Zhongshan Melon Rubber & Plastic Products Co., Ltd., is a custom manufacturer of rubber valves, including rubber valves for pipes, air compressors, one-way flow control valves, and one-way valve replacements. Rubber sleeve materials include Natural, EPDM, Silicone, Neoprene, Nitrile, and other elastomer rubbers.

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 products tailored to meet your needs. Our range includes rubber gaskets, grommets, bushings, diaphragms, section cups, sealing valves, stoppers, plugs, caps, silicone parts, and custom 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. Count on us to deliver products that function flawlessly within your application, guaranteed to exceed your expectations.

FAQ: 

Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves

Are you looking for high-quality umbrella valves or one-way check valves? Look no further than Zhongshan Melon Rubber & Plastic Products Co., Ltd. We are a trading and manufacturing company with specialized factories and departments dedicated to producing top-notch silicone rubber valves.

When you choose us, you can expect free samples to ensure the quality meets your standards. For custom designs, there may be a sample charge, but it is refundable with a certain order quantity. Our payment terms are flexible, with quick turnaround times for prototype tooling, samples, production molds, and minimum order quantities.

Our professional team with rich experience and high precision equipment guarantees top-notch product quality. With scientific management and strict cost control, we offer competitive prices without compromising on quality. Inquire now to get started with your customized liquid silicone rubber umbrella valves or one-way check valves!