Description:
Our OEM silicone rubber bottle check valves with cross slit design provide reliable, leak-proof sealing for liquid containers. Made from 100% food-grade silicone, they ensure precise, drip-free dispensing. Ideal for bottles, they are perfect for custom food, beverage, and cosmetic packaging solutions.
![]()
Specification:
| Attribute | Specification |
|---|---|
| Material Composition | 100% Platinum-Cure Liquid Silicone Rubber (LSR) |
| Product Design | OEM Custom Design |
| Manufacturing Process | High-Precision LSR Injection Molding |
| Valve Type | Bottle Check Valve with Cross Slit |
| Certifications | FDA, LFGB, RoHS, BPA-Free |
| Product Packaging | Bulk or Custom Packaging |
| Shipping Port | Xiamen, China |
| Country of Origin | China |
| Temperature Range | -50°C to 200°C |
| Cracking Pressure | Customizable (e.g., for thin to viscous liquids) |
Benefits of Silicone Bottle Check Valves:
-
Reliable Leak-Proof Sealing & Clean Dispensing: The precision-molded cross slit opens under slight pressure for smooth flow and instantly reseals to prevent leaks, drips, and backflow, ensuring a clean container.
-
100% Food-Safe & Odorless Material: Manufactured from certified food-grade, non-toxic silicone that will not impart taste or odor, making it safe for direct contact with consumable products.
-
Engineered for Hassle-Free OEM Integration: Designed for easy assembly into various bottle necks and caps. Our process supports full customization of size, slit configuration, and performance to match your specific product viscosity and packaging design.
Custom Service:
We offer comprehensive customization for silicone bottle check valves. This includes tailoring the outer diameter, skirt length, slit configuration (4-slit, 3-slit), and Shore hardness to achieve the desired flow rate and sealing force for your product. We can match colors, provide material certifications, and offer samples for compatibility and performance testing with your bottles and caps.
Quality Assurance:
Every valve undergoes strict quality checks. This includes dimensional verification, 100% functional testing for proper opening and leak-tight sealing under pressure, and visual inspection. Our production follows controlled processes backed by a quality management system, ensuring consistent performance and reliability for every order.
Factory Show
Our manufacturing facility features dedicated LSR injection molding machines suitable for high-volume production of small, precise components like bottle valves. In-house toolmaking ensures mold accuracy for consistent slit geometry. Our quality control process includes pressure decay testing to validate seal integrity, guaranteeing that every valve meets the functional requirements for leak-proof liquid packaging.

Reviews
There are no reviews yet.