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Food Grade LSR Injection Molding Flow Control Silicone Duckbill Check Valves for Electric Breast Pump

Food Grade LSR Injection Molding Flow Control Silicone Duckbill Check Valves for Electric Breast Pump


1. It is made of 100% liquid silicone (food grade silicone or medical silicone), which can meet all kinds of anti-corrosion requirements.

2. Air seal flow control valve; One way valve;No blockage and good sealing.

3. Long service life, trouble free, maintenance free.

4. The installation is convenient, and various installation forms can be changed.

5.Specially designed for breast pump flow control.

6. Can be customized according to customer requirements.

  • Product Details

Duckbill Valve: also known as one-way valve, is the silicone valve of electric breast pump and manual breast pump. Injection molding with liquid silicone. The surface of the product is completely frosted, transparent, without flash and thorn, and the whole product is smooth and beautiful.

Customized medical silicone one way vavles,flow control valves,duckbill valves,umbrella valves,mushroom vlaves

About Material

1. High transparency, no impurity, pressure resistance, wear resistance and high pressure resistance;

2. The surface is smooth, which can avoid the growth of bacteria, reduce the adsorption of liquid, and easy to clean;

3. Resistant to chemicals, acid and alkali;

4. Non toxic, tasteless, high temperature resistant, passed FDA, CE, lfgb and other safety tests.

Our medical grade silicone rubber valves include
duckbill valve
mushroom valve
umbrella valve
peep valve
flow control valve
cross slit valve

If You Want to Customize LSR Silicone Valves

Yes, a professional OEM silicone manufacturer,we can produce you design.Please send us your drawing or sample.

 Even If you do not have a technical drawing, Melon Rubber&Plastic has the ability to reverse engineer your product for you directly from a sample.

From simple to highly complex silicone rubber shapes, we takes pride in our ability to consistently produce accurate  liquid silicone rubber injection parts guaranteed to meet your exact specifications and function perfectly within your application. 

Our Services

1. Factory direct sales with high quality at best price.

2. Material: high quality liquid silicone

4.Conforms to FDA,Rohs,Reach.

5.All parts heat resistant to 200℃.

6. Liquid silicone injection molding parts, seamless body,avoid secondary pollution.

7.Manufactory.ODM & OEM orders are highly welcomed.


Q:Can I customize our own valves?
A:Yes, of course. It can be customized according to the drawings you provide or sample or draft drawing.

Q:Can I customize our own logo?
A:of course. It can be customized according to the drawings you provide.

Q:What is your delivery time?
A:For inventory, we usually ship within 3 days after full payment, and 30-45 days for custom orders.

Q:Do you provide samples?
A:Yes, we usually provide samples free of charge. For some customized products, we need to charge the
sample fee, but this will be returned after the formal order.

Q:Is there any discount for bulk order?
A:Yes, you can send email. Tell us to get the demand and we will design a better solution for you.

Ready to start your molding project? Contact us today! Get a Quote→

About us

Melon Rubber offers a complete line of molded rubber products that have been developed over more than 10 years. 

Contact us

Melon Rubber&Plastic Products Co., Ltd

Tel: +86 760 85331121



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