Silicone Valve

LSR Injection Molding Silicone Two Way Valve


Made of high quality and super flexible silicone material

Non-stick slit cut for better flow control

Combination of umbrella valve and duckbill valve

Welcome custom silicone valves

Factory price, low MOQ, fast delivery

Free samples can be provided for quality checking



Item NameOutside DiameterSlit TypeSlit Size
Silicone Two Way Valve8mmDuckbill Slit3mm


  • Medical devices

    Medical devices

  • Home appliances

    Home appliances

Product Information

Product Name

Chinese supplier LSR injection molding silicone two way valve for dispensing cartridge 

Model NumberHHSV36
MaterialFDA&LFGB Approved Silicone
Hardness50 Shore A
Outside Diameter8mm
Slit TypeI shape Slit (Welcome customized slits)
Slit Sizemm
Mold TypeVacuum Compression Molding
Mold CavityCustomized
Daily Capacity50,000pcs/ line
MOQ50,000pcs/ size
Description1. Chinese supplier LSR injection molding silicone two way valve for dispensing cartridge,outer diameter is 8 mm,slit type is duckbill slit,slit size is 3*3 mm.

2.Silicone two way valve made of food safe high elastic and ultra-transparent liquid silicone, LFGB and FDA approved.

3.Silicone valve processed by vacuum compression molding, daily capacity reaches to 50,000pcs per line. The capacity can be adjusted according to customer's production schedule.

4.LSR injection molding valve inverted leak proof test for 7 days* 24 hours, there is no leakage for silicone two way valve.

5.Silicone valve is one squeeze, one dispensing, no leakage, no extra splits.

6.Non-stick LSR injection molding valve vent and relief valves, even duckbill slit cut makes it easy for liquid,air. 

7.As a combination of silicone umbrella valve and silicone duckbill valve, this silicone two way valve can be used in many areas, such as automotive, medical devices, home appliance, toys and so on.

8.The flow control function is tested and approved by customer, welcome custom silicone control valves.

9.For over a decade, our factory is focusing on providing high performance and premium quality LSR injection molding valve for various applications, experienced in LSR injection molding and over-molding, we highly welcome custom made silicone valves.

10.The silicone two way valve is transparent,with good pulling force and elasticity.

11.Silicone valve is 100% New PP Raw Material,the silicone two way valve has Raw material LFGB certification and LIM-9150 Liquid Silicone LFGB Certification.we also have One Way Silicone Valve Appearance Patent for LSR injection molding valve in no drip,no hassle,no spill function.

12.For Silicone valve,we used TaiWan Union M7 series injection molding machine,high precision machines make our LSR injection molding valve higher quality and more leak-proof.

13.We have 26 sets Liquid Injection Molding Machines,6 sets Compression Molding Machines,30 sets 50 Times CCD Magnified Full Inspection Equipment,Class 100,000 Clean Production Workshop,Class 10,000 Full Inspection Room,3 sets Silicone Valve Punching+Inspection Equipment,3 sets AOI Visual Inspection Equipment,2 lines UV Plasma Surface Treatment for silicone two way valve.

14.Hopewell has over 10 years in producing custom silicone and plastic flip top cap beverage dispensing closures,we have many certificates for silicone valves and plastic caps,such as:ISO9001 certificate,ISO14001 certificate,ISO13485 certificate,Clean-room production workshop,One Way Silicone Valve Appearance Patent,Raw material LFGB certification,LIM-9150 Liquid Silicone LFGB Certification.welcome to customize plastic dispensing caps,silicone valves and other silicone products.

Manufacturing Process

Manufacturing Process


Before shipment, we’ll check with customer to choose the best shipping method.



  • 1

    Can I get free samples?

    Yes, free samples can be offered, shipping costs to be paid by customers.

  • 2

    Can I change the slit size of the silicone two-way valve?

    Yes, welcome custom slit types and slit sizes.

  • 3

    Shall we pay the silicone two way valve mold or tooling cost?

    Since the mold of this silicone valve belongs to our customer, for mass production, you need to develop your own new mold.

  • 4

    Do you know how is the silicone two-way valve is assembled?

    For this kind of customized silicone duckbill valves, it’s usually designed by our customers, so we regret that we’re unable to share the assembling process to you.

  • 5

    Can I buy the silicone two-way valve directly?

    We regret that this silicone valve is not for selling. If you want to buy in a large batch, then you need to contact us to develop your own tooling.

  • 6

    Can I order customized silicone check valves?

    Yes, as a professional manufacturer of premium quality silicone control valves, we highly welcome custom made flow control valves.

  • 7

    What shall I offer to custom a silicone dispensing valve?

    For custom silicone valves, please kindly offer us 3D drawing or actual samples, we’ll be able to start the evaluation.

  • 8

    Are you using platinum silicone material?

    The silicone duckbill umbrella combination valve is made of high elastic silicone material with platinum vulcanization agent.

  • 9

    Do you accept customized packaging?

    Yes, we highly welcome custom made packaging, please provide us the detailed requirements.
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