Premium Food Vacuum Sealing Silicone Check 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

Discover the versatility of Silicone umbrella valves from Zhongshan Melon Rubber & Plastic Products Co., Ltd. These valves find applications in vessel vent valves, automotive fuel tanks, piston- and diaphragm pumps, breathing masks, and various other fluid control functions in medical devices, home appliances, cars, and toys.

Umbrella valves feature elastomeric components with a diaphragm-shaped sealing disk or an umbrella shape, serving as essential sealing elements in backflow prevention devices, one-way check valves, 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 designed with a 100% rubber or silica gel structure, offering high temperature resistance and environmental friendliness. It effectively prevents liquid and gas from flowing back, ensuring long service life without failure.

Main Features:

• High temperature resistance with material options


• Environmentally friendly construction


• Unblocked design for preventing backflow


• Long-lasting performance


• Low opening pressure for easy operation


• Easy installation process

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

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 supports customized drawings and samples

Custom rubber molding for valve seals using various rubber materials to meet specific environmental and application requirements, including silicone valve and rubber to plastic bonded valve. Design assistance is available to enhance manufacturability, reduce component count, and simplify assembly.

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

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.

Introducing Zhongshan Melon Rubber & Plastic Products Co., Ltd., your go-to solution for high-quality molded rubber products. Even without a technical drawing, we excel at reverse engineering your product directly from a sample. Whether it's a simple or highly complex rubber shape, we pride ourselves on consistently delivering accurate products that meet your exact specifications and function seamlessly within your application. Trust Melon Rubber & Plastic for all your rubber molding needs.

FAQ: 

Product Name: Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves

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

Description: We are a trading and manufacturing company with specialized factories and trading departments. Contact us for free samples. Sample charge for custom designs is refundable with a certain order quantity. Our terms of payment include 7 days for prototype tooling & samples, 14 days for production mold, and 14-28 days for MOQ. Choose us for our professional team, rich experience, high precision equipment, product quality, scientific management, and strict cost control. Inquire now to get started!