Valvole in silicone

Tipi di valvole al silicone

Valvola unidirezionale in silicone
Valvola a fessura incrociata in silicone
Guarnizione della valvola in silicone
Valvola di controllo del tappo della bottiglia
Bottiglia di ketchup Valvola in silicone, ecc...

Dimensioni comuni

Le valvole in silicone sono disponibili in varie dimensioni e possono essere personalizzate in base alle specifiche esigenze applicative. Le dimensioni più comuni includono:

Gamma di diametri: 2 mm - 50 mm
Spessore: 0,3 mm - 5 mm
Tipi di apertura: Fessura a croce, fessura a V, apertura circolare, ecc.

We have T-10,T-13,T-16 size in stock.

Applicazioni

1. Industria alimentare e delle bevande

Valvole di ritegno per tappi di bottiglia
Ketchup bottle silicone valves

2. Medico e farmaceutico

Controllo dei fluidi nei dispositivi medici come le apparecchiature respiratorie e i sistemi di iniezione.
Sealing valves in reagent bottles and pharmaceutical containers

3. Cura della persona e cosmetici

Dispensers for skincare and hygiene products
Valvole in silicone antiriflusso per il confezionamento di cosmetici.

4. Industriale e automobilistico

Valvole unidirezionali nelle condutture di gas e liquidi.
Componenti di controllo dei fluidi nei sistemi di alimentazione o di raffreddamento degli autoveicoli.

5. Apparecchiature scientifiche e di laboratorio

Fluid control valves in precision instruments
Soluzioni per la sigillatura e l'erogazione di flaconi di reagenti chimici.

Silicone Valves Manufacturing: Methods and Process Overview

Silicone valves are essential components in many fluid dispensing systems, offering precision control and leak-proof functionality. Their manufacturing involves two main methods: compression molding e liquid silicone rubber (LSR) injection molding. The chosen method depends largely on the valve’s structure and the volume required.

Compression Molding vs. LSR Injection Molding

Compression molding is ideal for smaller batches or simple designs. It involves placing preformed silicone into a heated mold cavity, then applying pressure to shape it.
LSR injection molding, on the other hand, is best suited for high-volume production and complex geometries. It ensures consistent quality with tight tolerances, ideal for valves requiring precision performance.

The Importance of Mold Design and Fabrication

At the heart of silicone valve manufacturing lies mold design and mold making. A well-engineered mold ensures accurate replication of the valve’s specifications—be it the size, slit design, or flow control function.

This step begins with close collaboration between product engineers and mold designers. Advanced CAD software is used to simulate the valve’s behavior under real-world conditions. Once finalized, high-precision tooling is produced using CNC machining or EDM (electrical discharge machining), ensuring the mold meets strict industry standards.

A high-quality mold is critical—it not only defines the valve’s performance but also determines the efficiency and longevity of the production process.

Quality Inspection: Ensuring Precision and Performance

The final and most critical step in silicone valve manufacturing is quality inspection. At this stage, each valve undergoes thorough evaluation to ensure it meets stringent industry standards and customer-specific requirements.

Inspectors check for:

Visual defects like surface blemishes, warping, or flashing.
Dimensional accuracy using precision measuring tools to verify that critical features—such as the slit thickness, outer diameter, and seat alignment—match the design.
Functional performance, including leak testing, opening pressure validation, and flow control behavior, especially important for valves used in food, medical, and dispensing applications.

Depending on the application, additional tests such as FDA compliance, material hardness (durometer) verification, o thermal resistance checks may be performed.

Working with a Professional Manufacturer of Silicone Valves

Silicone valves are critical components across industries such as medical devices, food and beverage packaging, personal care dispensers, e industrial fluid systems. Their role in controlling the flow of liquids or gases—often with precise, one-way operation—makes them indispensable in both high-performance and consumer-grade applications.

Given their functional importance, partnering with a professional silicone valve manufacturer is essential. A reliable manufacturer offers:

Expertise in material selection, ensuring the use of FDA- or LFGB-compliant silicone grades suited for your specific application.
Advanced mold design and tooling capabilities, resulting in consistent valve dimensions and repeatable performance.
Flexible production methods, including both compression and LSR injection molding, to accommodate different designs and order volumes.
Strict quality control protocols, with full traceability and testing that ensure each valve meets functional and regulatory standards.