Factory Price Flapper Valve Silicone Seals Manufacturer

1. High quality factory price flapper valve silicone seals manufacturer in china,outer diameter is 18 mm,Inside Diameter is 7 mm,material is Eco-friendly FDA Solid Silicone,hardness is 40 Shore A.

2.Flapper valve made of food safe environment friendly solid silicone, with FDA certification.
3.Silicone seals processed by vacuum compression molding, welcome custom silicone flapper valve seals.
4.Flapper valve inverted leak proof test for 7 days* 24 hours, there is no leakage for cross slit silicone valve.

5.Silicone seals wear resistant flapper one way valve seals, our factory can adjust the capacity according to customers' production schedule.

6.Hardness, dimensions and tolerance of flapper valve can be as customer's requirements.

7. As a manufacturer of silicone seals for flapper valves, we have a professional team that produces custom silicone products for over 10 years, no matter it's tight tolerance silicone valves, or a simple water bottle silicone sealing ring, we all have strict quality control,delivery price,fast delivery.

8.Flapper valve is transparent,with good pulling force and elasticity.

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

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

11.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 flapper valve.

12.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.