Silicone Valve

Silicone Mini Duckbill 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



Specification Of Leak Proof Mini Duckbill Valve 

Product NameLSR Injection Molding Silicone Mini Duckbill Valve Supplier in China
Model NumberHHSV15
MaterialMedical Grade Liquid Silicone Material
Color Clear Color
Hardness50 Shore A
Outer Diameter7.6mm
Slit Cut TypeDuckbill Slit Cut
Slit Cut Size2mm
Mold TypeLiquid Injection Molding
ProcessTool Design - Tool Manufacturing - Liqid Injection Molding - Whole Piece Inspection - Punching Slit Cut - Add Talcum Powder - Punching Shape  - Quality Checking - Dust Free Packing - Shipping
MoldPrivate Mold
MOQ50000 PCS
Daily Capacity200,000pcs/ line
Mold CavityCustomize
WorkshopClass 100,000 Clean Production Workshop And Silicone Valves Special Production Workshop
ApplicationHigh Precision Mini Duckbill Valve Can Be Used In Medical Field, Such As: Cartridge
IntercomsEXW, FOB, CIF, DDP, Or Delivery To Assembly China Factories


  • Medical devices

    Medical devices

  • Home appliances

    Home appliances

Product Information

What Is Mini Duckbill Valve?

ISO 13485 certificated mini duckbill valve is called silicone duckbill umbrella valve, combined with silicone micro duckbill valve and silicone minivalve umbrella valve, made of medical grade liquid silicone material, can be used for cartridge dispensing.

Silicone Mini Duckbill Valve

Features Of Mini Duckbill Valve?

1. Wear resistant mini duckbill valve made of high elastic and ultra-transparent medical liquid silicone, with good pulling force and elasticity.

2. Non sticking mini duckbill valve with zero clearance slit cut, so which can passed 24 hours/7 Days Inverted Leakproof Test, and is no leakage.

3. Customize mini duckbill valve is one squeeze, one dispensing, no leakage, no extra splits.

4. High temperature resistant mini duckbill vent and relief valves, even duckbill slit cut makes it easy for liquid/air flow. 

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

6.Silicone mini duckbill valve processed by LSR injection molding, daily capacity reaches to 200,000pcs per line. The capacity can be adjusted according to customer's production schedule.

Silicone Mini Duckbill Valve

About Hopewell

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

2. Our silicone valve is 100% new raw material, we have many certifications , such as: Raw material LFGB certification, LIM-9150 Liquid Silicone LFGB Certification, FDA certification and LFGB certification. We also have One Way Silicone Valve Appearance Patent for silicone valves in flow control, leak proof and good sealing function.

3. 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 valves.

Silicone Mini Duckbill Valve

If you are interested in silicone mini duckbill valve, please fee free to contact us, thanks.

Manufacturing Process

Process Of Dispensing Mini Duckbill Valve 

Tool Design - Tool Manufacturing - Liqid Injection Molding - Whole Piece Inspection - Punching Slit Cut - Add Talcum Powder - Punching Shape  - Quality Checking - Dust Free Packing - Shipping

Silicone Mini Duckbill Valve


Packing Of Medical Mini Duckbill Valve 

For LSR injection molding mini duckbill valve, to keep the product clean and not deformed while in transportation and in storage, normally, the packaging as follow: 

Item NamePCS/ PE BagPCS/ CartonCarton SizeN.W.G.W.
Flow Control Mini Duckbill Valve 1,000pcs20,000pcs35*26*42CM8KGS8.6KGS

Silicone Mini Duckbill Valve


  • 1

    Are you a manufacturer or a trading company?

    We're a manufacturer of silicone molding products, with about 10,000 square meters production workshops.

  • 2

    Can you provide free samples?

    Free samples can be provided for quality checking, freight cost need be charged.

  • 3

    What are the advantages of Hopewell to preduce silicone valves?

    Hopewell started producing silicone valves in 2011, we also have professional engineering team, precision mold manufacturing department and perfect quality control department, a 100,000-level clean production workshop, and has passed ISO9001, ISO13485, IATF16949 and ISO14001 certifications.

  • 4

    What is your MOQ for silicone valve?

    Our moq is 50000 pcs for four sizes cross slit silicone valves in public mold; for customized silicone products, the final quotation shall prevail.

  • 5

    Can you accept OEM/ ODM orders?

    Currently we only accept OEM orders.

  • 6

    What information do I need to provide for custom silicone valves?

    Please provide 2D and 3D drawings (STP format) or actual samples, then our engineering team will provide DFM for your confirmation.

  • 7

    What is the lead time for custom silicone valves?

    For prototype molds, the lead time for silicone valves is about 7-15 working days; for production molds, the lead time is about 15-45 working days.

  • 8

    Can I use your silicone valves mold?

    We only have four cross slit silicone valves mold can be used, other molds are customized by other customers.

  • 9

    Can you provide proof of raw materials?

    Yes, we can provide MSDS, FDA, LFGB test reports for confirmation.

  • 10

    Can you provide plastic valve seat samples?

    We have 4 sizes plastic valve seats in public mold, the outer diameters are 11.85mm, 12.3mm, 14.6mm and 18.6mm. Free samples are available, please contact us for more information.

  • 11

    Can i vist your factory?

    Of course, highly welcome.

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