Injection Molded Silicone Umbrella Check 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

Introducing the Silicone Umbrella Valves from Zhongshan Melon Rubber & Plastic Products Co., Ltd. These valves are versatile and 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.

The umbrella valves feature an elastomeric design with a diaphragm-shaped sealing disk, providing efficient backflow prevention and fluid control functions in medical devices, home appliances, cars, and toys.

Trust Zhongshan Melon Rubber & Plastic Products Co., Ltd. for high-quality customized liquid silicone rubber umbrella valves that meet your specific needs.

Product advantages:

Product Description

Zhongshan Melon Rubber & Plastic Products Co., Ltd.

Product Description:

Our rubber and silica gel umbrella valves are designed to meet various high-temperature resistance requirements. The environmentally friendly material ensures no blockage, effective prevention of liquid and gas backflow, and a long service life without failure. With a small opening pressure of 1-5KPA, it can easily open for liquid or gas flow. Installation is simple and hassle-free.

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 with reliable quality


• Support for customization with multiple sizes and complete molds

Custom rubber molding for valve seals using various rubber materials such as silicone, rubber to plastic bonded valve. Design assistance available for manufacturability improvement and simplifying assembly. Manufacturer of rubber valves for pipes, air compressors, one-way flow control valves, and replacements. Rubber sleeves available in Natural/EPDM/Silicone/Neoprene/Nitrile or other elastomer rubber materials.

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, 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 has the expertise to reverse engineer your product. From simple to intricate rubber shapes, we pride ourselves on consistently delivering accurate molded rubber products that meet your exact specifications and function flawlessly in your application.

FAQ: 

Customized Liquid Silicone Rubber Umbrella Valves/One Way Check Valves

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

Are you looking for high-quality umbrella valves/one way check valves? Look no further! Our company specializes in manufacturing these valves with precision and expertise. Whether you need samples or have specific design requirements, we are here to assist you. We offer free samples and flexible payment terms to suit your needs. With a professional team and advanced equipment, we guarantee top-notch product quality. Choose us for competitive prices and reliable service. Inquire now to get started on your customized umbrella valves/one way check valves!