Silicone Valve

Leak Proof 9.8mm Cross Slit Silicone Valve


LFGB approved platinum liquid silicone raw materials

7 days* 24 hours inverted leakproof test

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

Non-stick cross slit cut

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

Free samples can be provided for quality checking



Item NameOutside DiameterSlit TypeCross Slit
Leak Proof 9.8mm Cross Slit Silicone Valve9.8mmCross Slit, Snowflake, Asterisk3*3mm/3.6*3.6mm/5*5mm


  • Water Bottle

    Water Bottle

  • Honey


  • Mayonnaise


  • Ketchup


  • Concentrates


  • Hand Cream, Body Lotion

    Hand Cream, Body Lotion

  • Cleaning Brush

    Cleaning Brush

Product Information

Product NameLFGB Food Grade Safe Leak Proof 9.8mm Cross Slit Silicone Valve For Beverage Dispensing Closures
Model NumberHHSV01
MaterialFDA& LFGB Approved Food Safe Liquid Silicone
Hardness30 Shore A
Outside Diameter9.8mm
Valve Seatouter diameter 11.85mm
Slit TypeCross Slit, Snowflake, Asterisk (Welcome customized slits)
Slit Size3*3mm, 3.6*3.6mm, 5*5mm
Mold TypeLiquid Silicone Injection Molding
Mold Cavity192CAV
Daily Capacity200,000pcs/ line
MOQ10,000pcs/ size

1. LFGB food grade cross slit silicone valve is also known as FDA grade one way silicone valve with slit cut, can be used for liquids or gas dispensing.

2. LFGB food grade safe leak proof 9.8mm cross slit silicone valve for beverage dispensing closures, outer diameter is 9.8 mm, slit type is cross slit, snowflake and asterisk, slit size is 2.1*2.1, 3*3, 3.6*3.6, 5*5 mm,valve seat outer diameter is 11.85 mm.

3. Cross slit silicone valve made of food safe high elastic and ultra-transparent liquid silicone, LFGB and FDA approved.

4. Leak proof silicone valve processed by liquid silicone rubber injection molding, daily capacity reaches to 200,000pcs per automatic punching line.

5. LFGB food grade silicone valves inverted leak proof test for 7 days* 24 hours, there is no leakage for cross slit silicone valve.

6. LFGB food grade silicone valves tolerance of the curved wall thickness is controlled within 0.03mm, one squeeze, one dispensing, no leakage, no extra splits.

7. Non-stick cross slits vent and relief valves, even cross slit cut makes it easy for liquid for liquids, juice concentrate,water, concentrates dispensing, water dispensing, juice dispensing, beverage dispensing, soy sauce, vinegar bottle lids dispensing.

8.The dispensing angle of the leak proof silicone valve is controlled within 30 degrees.

9. Food grade PP valve seats of cross slit silicone valve are available for selling, saving time for customers to develop a new plastic dispensing closure.

10. The sports water bottle dispensing leak proof silicone valve is transparent, with good pulling force and elasticity.

11. LSR Injection molding LFGB food grade silicone valves is 100% New PP Raw Material, the liquid dispensing cross slit silicone valve has Raw material LFGB certification and LIM-9150 Liquid Silicone LFGB Certification. we also have One Way Silicone Valve Appearance Patent for leak proof silicone valve in no drip,no hassle, no spill function.

12. For LFGB food grade silicone valves, we used TaiWan Union M7 series injection molding machine, high precision machines make our cross slit silicone 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 dispensing silicone valve and plastic caps with 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. 

Leak Proof 9.8mm Cross Slit Silicone Valve

Leak Proof 9.8mm Cross Slit Silicone Valve

How to Use

For this kind of cross slit silicone valve, it’s assembled together with the plastic valve set, then install to the plastic dispensing cap as a whole set.

Manufacturing Process

LFGB Food Grade Leak Proof 9.8mm Cross Slit Silicone Valve for Beverage Dispensing Closures


Item NamePCS/ PE BagPCS/ CartonCarton SizeN.W.G.W.

LFGB Food Grade Leak Proof 9.8mm Cross Slit Silicone Valve for Beverage Dispensing Closures


  • 1

    Can I get free samples of these cross slit silicone valves?

    Yes, free samples can be offered, shipping costs to be paid by customers.
  • 2

    Can I change the size of the cross slit?

    Due to the viscosity of different liquids is different, the slit type and slit sizes can be customized.
  • 3

    Shall we pay the silicone slit valve mold or tooling cost?

    For these 3 sizes, the molds are existing, there is no mold or tooling charges. While if you need custom slits, there will be punching tooling costs, please contact us for best quotation.
  • 4

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

    Yes, please go to the Video center to check the assembling video. For more information, you can contact us.
  • 5

    Can I buy the silicone cross slit valve or valve seat only?

    Yes, we can supply the silicone cross slit 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 customized silicone check valves.
  • 7

    What shall I offer to custom a one-way silicone valve?

    For a custom silicone one way 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?

    The flow control silicone valves are made of food grade liquid 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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