Silicone Valve

13mm Silicone One Way Degassing Valves


5*5mm cross slit cut with zero clearance 

7 days* 24 hours inverted leakproof test

One squeeze, one dispensing, no extra slits

Non-stick slit cut and dispensing angle within ±15°

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

Free samples can be provided for quality checking



Specification Of Flow Control One Way Degassing Valves  

Product NameWholesale Food Grade 13mm Cross Slit Silicone One Way Degassing Valves For Dispensing Cap
Model NumberHHSV66
MaterialFDA&LFGB Approved Food Grade Liquid Silicone Material
Color Transparent Color
Hardness40 Shore A
Outer Diameter13MM
Slit Cut TypeCross Slit Cut
Slit Cut Size5.5*5.5MM
Matched Plastic PP Ring O.D13MM Silicone Valve Matched 14.6MM Plastic PP Ring
Mold TypeLSR Injection Molding
ProcessTool Design - Tool Manufacturing - LSR Injection Molding - Whole Piece Inspection - Punching Cross Slit Cut - Add Talcum Powder - Punching Shape  - Quality Checking - Dust Free Packing - Shipping
MoldPublic Mold
MOQ50000 PCS
Daily Capacity200,000pcs/ line
Mold Cavity256CAV
MachineArburg LSR Injection Molding Machine 420C, Automatic Punching+ Inspection Equipment, Automated Optical Inspection Equipment
Machine tonnage120T
WorkshopClass 100,000 Clean Workshop And Silicone Valves Special Production Workshop
ApplicationLeak Proof One Way Degassing Valves Suit For All Plastic Caps, Such As:  Sauce Bottle Cap,  Squeeze Bottle Twist Cap, 28/400 Flip Top Cap, 38mm Plastic Bottle Caps, Beverage Closures, Bottle Water Cover And So On.
IntercomsEXW, FOB, CIF, DDP, Or Delivery To Assembly China Factories


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Product Information

What Is One Way Degassing Valves?

Sealing one way degassing valves are also called silicone one-way valve, only allow fluid flow in one direction, made of FDA&LFGB approved food grade liquid silicone material, usually used in conjunction with plastic pp ring. We have four sizes cross slit silicone valves in publi mold, information is as bellow:

Item NameOuter DiameterSlit TypeSlit SizeMatched Plastic Valve Seat O.D
9.8mm Silicone Valve9.8mmCross Slit/ Snowflake/ Asterisk2.1*2.1/3*3/3.6*3.6/5*5mm11.85mm
10.5mm Silicone Valve10.5mmCross Slit3*3/5*5mm12.3mm
13mm Silicone Valve13mmCross Slit5.5*5.5mm14.6mm
16.5mm Silicone Valve16.5mmCross Slit3*3/5*5/6.5*6.5/7.8*7.8mm18.6mm

13mm Silicone One Way Degassing Valves

The Features Of One Way Degassing Valves

1. FDA certificted one way degassing valves with zero clearance.

2. LFGB certificted one way degassing valves have passed 24 hours*7 days inverted leak-proof test.

3. LSR injection molding one way degassing valves dispensing passing rate is 100%.

4. Due to our unique technique, we can do Non-stick slits dispensing one way degassing valves.

5.Slit tolerance of LIM silicone molding one way degassing valves is plus and minus 0.3mm, dispensing angle is ±15°.

6. Our workshop 4 is specialized for high temperature resistant one way degassing valves production, and this is also 100,000 Clean Workshop.

7. We have Automatic Punching+ Inspection Equipment, and Automated Optical Inspection Equipment for high precision one way degassing valves, these equipment not only improved inspection efficiency, but also improved quality control.

13mm Silicone One Way Degassing Valves

2D Design Of Non Sticking One Way Degassing Valves  

13mm Silicone One Way Degassing Valves

About Hopewell

Hopewell has in-house mold design and mold making department, also have independent mold production workshop, mold manufacturing precision can be controlled within 0.001mm; precise mold manufacturing equipment and professional technical team can provide customized high-quality solutions for customers.

Mold manufacturing equipment includes: Toshiba Nano Superfinishing Machine, Toshiba High Precision Vertical Machine Tool, Sodick Wire Cutting Machine, Okamoto Precision Automatic Plane Mold Bed, Swiss Internal and External Grinding Machine, Makino High Speed CNC, etc. 

13mm Silicone One Way Degassing Valves

If you are interested in wear resistantone way degassing valves, please feel free to contact us, thanks.  

How to Use

For this kind of food grade one way degassing valves, it's assembled together with the plastic pp ring, then install to flip top cap as a whole set.

Manufacturing Process

Process Of Silicone One Way Degassing Valves 

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

13mm Silicone One Way Degassing Valves


For mini one way degassing valves, 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.
13mm One Way Degassing Valves  5000 pcs100,000pcs35*26*42CM9.5KG10.5

13mm Silicone One Way Degassing Valves


  • 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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