Overview:
Our Custom LFGB Food Grade Snowflake Silicone One-Way Check Valves are precision-engineered for controlled, hygienic, and leak-proof water dispensing in reusable bottles, sports drink containers, and hydration systems. Crafted from 100% LFGB- and FDA-compliant food-grade silicone, these valves ensure superior safety, flexibility, and durability. Utilizing liquid silicone rubber (LSR) injection molding and micro-precision die cutting, each valve features a unique snowflake slit pattern that enables smooth one-way flow while preventing leakage, backflow, and contamination. The snowflake design enhances flow uniformity and aesthetic appeal—ideal for premium hydration and beverage applications.
Basic Information:
| Attribute | Details |
|---|---|
| Place of Origin | Xiamen, China |
| Brand Name | OEM / Custom Branding |
| Material | Food-grade, LFGB- and FDA-approved liquid silicone rubber |
| Shape | Snowflake slit, customizable design |
| Color | Transparent or custom color |
| Hardness | Shore A 30–70 |
| Molding Process | LSR Injection Molding / Silicone Compression Molding |
| Surface Finish | Smooth, hygienic, non-stick finish |
| Certifications | ISO 9001, IATF 16949, FDA, LFGB, RoHS |
| MOQ | Small order acceptable |
| OEM | Fully supported |
| Packaging | Custom export packaging |
| Lead Time | Samples: 5–7 days; Production: 20–25 days |
Key Benefits:
- Safe and Certified Materials: Made from 100% LFGB- and FDA-approved food-grade silicone, ensuring BPA-free and odorless performance.
- Snowflake Slit Design: Provides consistent, one-way liquid flow with no drips or leaks, ideal for water bottle dispensing applications.
- Precision Engineering: Manufactured using high-accuracy LSR injection molding with CNC steel tooling and ±0.02mm dimensional control.
- Customizable Options: Flexible customization for slit geometry, hardness, transparency, and size to meet unique product requirements.
- High Durability: Resistant to temperature extremes (-40°C to 230°C), UV exposure, and repeated compression cycles.
- Factory-Direct Service: One-stop OEM production with competitive pricing, fast turnaround, and global shipping support.
Quality Assurance:
Our quality control process ensures every snowflake silicone one-way check valve meets stringent food safety and functional standards. Each batch undergoes:
- Raw Material Verification: LFGB, FDA, and RoHS compliance testing.
- Dimensional Precision Checks: 3D optical measurement and slit geometry inspection.
- Performance Testing: Flow-rate calibration, leak-proof validation under pressure differentials, and long-term actuation durability.
- Thermal & Chemical Resistance Tests: Validated under -40°C to +230°C cycles.
All inspections are conducted in our ISO 9001- and IATF 16949-certified cleanroom facility, ensuring traceability and consistency for every order.
Factory Capabilities:
Our advanced production facility combines CNC machining, Mirror EDM, and precision wire cutting to manufacture high-accuracy micro-slit molds for silicone valve tooling. Equipped with automated LSR injection molding machines, compression presses, and cleanroom assembly lines, we deliver consistent, hygienic, and cost-efficient mass production. Quality verification is performed using 3D projectors, leakage testers, durometers, and elasticity analyzers. Backed by ISO and IATF certifications, our one-stop production system supports rapid prototyping, scalable manufacturing, and custom-engineered silicone valve solutions for the global houseware and beverage industries.
