Food Grade Silicone Duckbill 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

Silicone umbrella valves from Zhongshan Melon Rubber & Plastic Products Co., Ltd. are versatile components used in various applications. They are commonly found in vessel vent valves for automotive fuel tanks, in-and outlet valves for pumps, one-way check valves in breathing masks, and other fluid control functions in medical devices, home appliances, cars, and toys.

Umbrella valves feature an elastomeric design with a diaphragm-shaped sealing disk or an umbrella shape. These components serve as effective sealing elements in backflow prevention devices, one-way valves, vent valves, pressure relief valves, and metering valves.

Product advantages:

Product Description

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

Features:

• 100% rubber or silica gel structure for high temperature resistance


• Environmentally friendly material


• Unblocked design prevents liquid and gas backflow


• Long service life with no failures


• Low opening pressure of 1-5KPA for easy operation


• Easy installation

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


• Supports customization with multiple sizes and specifications

Custom rubber molding for valve seals using various rubber materials, including silicone and rubber to plastic bonded valves. Design assistance available for manufacturability improvement and assembly simplification.

Manufacturer of rubber valves for pipes, air compressors, one-way flow control valves, and one-way valve 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 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.

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

Product Description:

At Zhongshan Melon Rubber & Plastic Products Co., Ltd., we specialize in reverse engineering products directly from samples, even without technical drawings. Our expertise lies in producing accurate molded rubber products, ranging from simple to highly complex shapes. With a commitment to meeting your exact specifications, our products are guaranteed to function perfectly within your application. Trust us to deliver high-quality rubber solutions tailored to your 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 departments. Contact us for free samples. Sample charges for custom designs are refundable with a certain order quantity. Payment terms: 7 days for prototype tooling & samples, 14 days for production mold, 14-28 days for MOQ. Choose us for our professional team, rich experience, high precision equipment, product quality, scientific management, and competitive pricing. Inquire now to get started!