DIN ISO 3302-M2 Silicone Mushroom 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

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, piston- and diaphragm pumps, breathing masks, and other fluid control functions in medical devices, home appliances, cars, and toys.

Umbrella valves feature a diaphragm-shaped sealing disk or an umbrella shape, serving as elastomeric sealing elements in backflow prevention devices, one-way check valves, vent valves, pressure relief valves, and metering valves.

Product advantages:

Product Description:

Zhongshan Melon Rubber & Plastic Products Co., Ltd. offers a high-quality silicone rubber umbrella valve that is perfect for various high-temperature resistance requirements. The valve is made from 100% rubber or silica gel, ensuring environmental friendliness and long service life without any failures. It effectively prevents liquid and gas from flowing back and has a small opening pressure of 1-5KPA.

Main Features:

• 100% rubber or silica gel structure


• Environmentally friendly


• Unblocked and sealed design


• Long service life


• Low opening pressure


• Easy to install

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


• Advanced technology and fine workmanship for excellent performance


• Customizable specifications to meet various needs


• Supports customization with safe and reliable quality

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, 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 products tailored to 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:

At Zhongshan Melon Rubber & Plastic Products Co., Ltd., we specialize in reverse engineering products directly from samples. Whether you have a technical drawing or not, our team has the expertise to recreate your product accurately. From simple to highly complex rubber shapes, we take pride in consistently producing molded rubber products that meet your exact specifications. Our products are guaranteed to function perfectly within your application, ensuring high quality and reliability.

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 or one-way check valves? Look no further! Our company specializes in manufacturing these products with precision and expertise. Whether you need samples for testing or are ready to place an order, we are here to assist you every step of the way.

Our team of professionals has years of experience and utilizes state-of-the-art equipment to ensure top-notch product quality. With our efficient management and cost control measures, we guarantee the best competitive prices in the market.

Get in touch with us today to inquire about our customized liquid silicone rubber umbrella valves and one-way check valves. Let's start a partnership that will meet all your needs and exceed your expectations!