Silicone Valve

Medical Silicone Check Valve for ELISA KIT


High quality medical grade liquid silicone materials

Liquid injection molding medical silicone check valve

Custom silicone valves for medical devices

Free samples can be offered for quality checking

Daily capacity reaches to 200,000pcs per automation production line

One squeeze, one dispensing, dispensing angle within ±15°



Item NameOutside Diameter(mm)Slit TypeSlit Size
Medical Silicone Check Valve16mmY Shape5mm


  • ELISA KIT<br>Medical Device

    Medical Device

  • Medical Components<br>Disposable Medical Products

    Medical Components
    Disposable Medical Products

Product Information

Product NameLSR Injection Molding Custom Medical Silicone Check Valve for ELISA KIT with Bio-compatibility Test Report
Model NumberHHSV17
MaterialMedical Grade Liquid Silicone
Hardness50 Shore A
Outside Diameter16mm
Slit TypeY Shape (Welcome customized slits)
Slit Size5mm
Mold TypeLSR Injection Molding
Mold CavityCustomized
Daily Capacity200,000pcs/ line
MOQ50,000pcs/ size

1. LSR injection molding custom medical silicone check valve for ELISA KIT with bio-compatibility test report,outer diameter is 16 mm,slit type is Y shape,slit size is 5*5 mm.

2. Medical silicone check valve made of high quality medical grade liquid silicone, with bio-compatibility testing report.
3.Silicone check valve processed by LSR injection molding in class 100,000 clean production workshop, 100% inspected by automatic CCD inspection machine.
4.Medical silicone check valve inverted leak proof test for 7 days* 24 hours, there is no leakage for silicone check valve.

5.Medical silicone valve tolerance of the curved wall thickness is controlled within 0.03mm,one squeeze, one dispensing, no leakage, no extra splits.

6.Non-stick silicone check valve vent and relief valves, even Y shape slit cut makes it easy for liquids, juice concentrate,water,concentrates dispensing,water dispensing,juice dispensing,beverage dispensing,soy sauce,vinegar bottle lids dispensing,air control,medical and so on.

7.The dispensing angle of medical silicone valve is controlled within 30 degrees.

8.Medical grade PP valve seats of medical silicone check valve are available for selling, saving time for customers to develop a new medical project.

9.The silicone check valve is transparent,with good pulling force and elasticity.

10.LSR Injection molding medical silicone check valve

 is 100% New PP Raw Material,the liquid dispensing medical silicone valve has Raw material LFGB certification and LIM-9150 Liquid Silicone LFGB Certification.we also have One Way Silicone Valve Appearance Patent for silicone check valve in no drip,no hassle,no spill function.

11.For medical silicone check valve,we used TaiWan Union M7 series injection molding machine,high precision machines make our silicone check valve higher quality and more leak-proof.

12.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 medical silicone valve.

13.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 size of the slit?

    Due to the viscosity of different liquids is different, we accept custom slit types and slit sizes.

  • 3

    Shall we pay the medical silicone check valve mold or tooling cost?

    For public sizes, the molds are existing, there is no mold or tooling charges. While for custom silicone control valves, the mold belongs to customer, if needed, you need to develop you own mold, please contact us for best quotation.

  • 4

    Do you have a video to show how to assemble the silicone bite valve?

    We regret the assembly is finished by our customer, so we are unable to share any video.

  • 5

    Can I buy the silicone dispensing valve or valve seat only?

    Yes, we can supply the silicone dispensing valve and valve seat separately.

  • 6

    Can I order customized silicone check valves?

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

  • 7

    What shall I offer to custom a silicone control valve?

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

  • 8

    Are you using platinum silicone material?

    Yes, all silicone flow control valves are made of eco-friendly silicone 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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