Custom High-elastic Liquid Dispensing Water Level Silicone Rubber Cross-slit No-return Valves Factory

Description:

Our Custom High-elastic Liquid Dispensing Water Level Silicone Rubber Cross-slit No-return Valves are precision-engineered to provide leak-proof, one-way flow control in water level detection and liquid dispensing systems. Manufactured from 100% food- and medical-grade silicone rubber, these valves combine superior elasticity with long-term durability to ensure consistent performance under varying pressure and fluid conditions. Produced through advanced silicone compression molding, each valve achieves uniform wall thickness, stable dimensional accuracy, and a smooth sealing surface. The cross-slit geometry enables effortless liquid release while preventing backflow, dripping, or contamination. Designed for integration into dispensing systems, water tanks, and appliances, these valves are customizable in size, hardness, and slit configuration to meet specific application requirements.

Basic Information:

• Place of Origin: Xiamen, China
• Shape: Round, 13–20 mm customizable cross-slit design
• Brand Name: OEM
• Minimum Order Quantity (MOQ): Small orders accepted
• Material: 100% high-elastic food-grade silicone rubber
• Logo: Customizable (packaging/branding support)
• Certifications: ISO 9001, FDA, LFGB, RoHS
• Packaging: Tailored packaging solutions available
• OEM Services: Fully supported (design, tooling, customization)
• Primary Use: One-way no-return valves for water level and liquid dispensing systems
• Sample Lead Time: 5–7 business days
• Sample Availability: Available upon request
• Production Lead Time: 20–25 business days

Benefits of Our Products:

• Made of FDA- and LFGB-compliant, BPA-free silicone rubber
• High elasticity ensures long-lasting performance under repeated cycles
• Precision cross-slit design guarantees controlled flow without leakage
• Compression molding process delivers dimensional accuracy and stability
• One-way function prevents backflow and contamination
• Easy assembly and integration into various liquid dispensing systems
• Cost-effective factory-direct pricing with reliable delivery
• Free samples available for performance testing

Quality Assurance:

Our quality assurance for silicone no-return valves is built on strict adherence to international safety and performance standards. Each batch of silicone raw material undergoes rigorous verification to confirm compliance with FDA, LFGB, and RoHS requirements. During production, we employ precision compression molding with controlled pressure and temperature settings to achieve uniform quality. Finished valves are tested with flow rate and backflow resistance systems, fatigue cycle testers, Shore A durometers, and tensile strength equipment to validate elasticity, sealing integrity, and durability. Dimensional checks and visual inspections are carried out to ensure consistent geometry and cross-slit alignment. All manufacturing is performed in our ISO 9001-certified facility with full traceability and final QC inspections under cleanroom conditions.

Why Choose Us?

• Extensive Industry Expertise: Over 20 years of experience in silicone molding and valve design.
• Fully Customized OEM Solutions: Sizes, hardness, and slit geometries tailored to your exact application.
• Collaborative Workflow: Transparent communication, rapid prototyping, and on-time delivery.
• Certified Quality Assurance: ISO 9001-certified management system with advanced testing protocols for guaranteed performance.

Factory Show:

Our advanced facility integrates CNC machining, precision EDM, and automated tooling systems to deliver molds with exceptional accuracy. Equipped with 15 rubber compression molding machines, we specialize in high-precision, high-volume production of silicone rubber valves. Supported by an ISO 9001 and IATF 16949 certified quality management system, our factory employs 3D projectors, sealing testers, durometers, and cycle-life testers to validate performance. Automated systems such as AutoDryers and die-cutting machines further ensure efficiency and consistency across large-scale production runs. This integrated approach enables us to provide customers with precision-engineered, high-elastic silicone valves designed to perform reliably in demanding liquid dispensing applications.