Valve

China Custom Silicone Valve Supplier

We are a leading manufacturer of rubber sealing products, equipped with advanced research, development, manufacturing, and sales capabilities. Our products are widely applied in the fields of food and drinking water sanitation, bathroom products, electronic and electrical appliances, hardware and machinery, and automotive parts, among others.

Advanced Equipment

We utilize state-of-the-art production and testing equipment, including automatic feeding machines, automatic packaging machines, injection molding machines, automatic sorting machines, intelligent cutting machines, and performance testing machines, to ensure high efficiency and precision in manufacturing.

Quality Control

Upon completion of the manufacturing process, sealing products undergo a comprehensive quality inspection, including visual examination, dimensional measurement, pressure testing, media resistance testing, air tightness testing, hardness testing, and tensile strength analysis, to ensure compliance with established quality standards.

Product Certification

All raw materials used in production meet international regulatory requirements, including RoHS, REACH, and PAHs. In addition, the majority of our products have obtained certifications such as NSF, FDA, LFGB, ACS, KTW-W270, WRAS, and UL, demonstrating our commitment to quality and safety.

Custom Service

In addition to manufacturing high-quality silicone rubber components such as O-rings, silicone tubes, gaskets, and oil seals, we also offer premium customized solutions to meet specific customer requirements.

Specification

Material	NBR, Silicone, EPDM, FKM, Neoprene (Customizable)
Color	Black (other colors are customizable)
Hardness Range	40-90 Shore A
Working Temperature	-40°C to +150°C (varies by material)
Diameter	10mm
Total Height	7mm
Assembly Options	Integrated
Function	Check Valve
Subtype	Flanged
Pressure Rating	0.1 – 10 Bar (adjustable based on design)
Certifications	FDA, WRAS, ACS, KTW, RoHS, REACH (upon request)

Advantages of Valve

Prevent Backflow
Silicone valve excel at preventing backflow, which is crucial in applications where contamination or fluid/ air mixing is undesirable.

Excellent Sealing
The silicone valves provide excellent sealing properties, minimizing leakage and enhancing overall system efficiency.

Durability
Silicone valves are made of durability silicone rubber material , ensures a long service life even in harsh operating conditions, and service life at least 5 years.

Versatility
The adaptability to various industries and fluid/ air types showcases silicone valves versatility and broad utility.

Applications of Valve

Medical and Pharmaceutical Industry
In medical devices, silicone valves are used in respiratory equipment, such as CPAP machines, ventilators, and oxygen masks. Their ability to prevent contamination and ensure unidirectional airflow makes them ideal for these applications.

Food and Beverage Industry
These valves are commonly used in liquid dispensing systems, such as beverage machines and food processing equipment. Their chemical resistance and compliance with food-grade standards make them safe for use in environments where hygiene is critical.

Automotive Industry
Silicone valves are used in automotive systems, such as fuel tanks and emission control systems, to prevent the backflow of fluids and gases. Their durability and resistance to extreme temperatures make them suitable for harsh automotive environments.

Industrial Applications
In industrial settings, these valves are used in pumps, compressors, and filtration systems. They help maintain the efficiency of equipment by preventing reverse flow and contamination.

Marine and Outdoor Equipment
Silicone valves are also used in marine applications, such as bilge pumps and underwater equipment, due to their resistance to saltwater and UV exposure. They are also found in outdoor gear, such as hydration packs, to control liquid flow.

Manufacturing Method of Silicone Valve

Compression 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

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.

Storage Precautions for Silicone Valves

● Storage temperature of rubber valve should not exceed 50°c (120°f) and should be kept within 30°c if possible.
● In an airless environment, the optimum humidity is about 65%.
● It is important to avoid direct sunlight and artificial light with high UV.
● Rubber valves should be stored in a relaxed, flat state and not under tension or pressure.

Customization Process

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Packaging and Shipping

Packaging	PE bags and cardboard boxes
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

China Custom Silicone Valve Factory

Jinshun, the full name is Xiamen Jinshun Sealing Technology Co., Ltd, which is located in beautiful Xiamen city and was founded in 2002.

Our Certificates

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FAQ

Q: What is the role of silicone valves in medical devices?

A: In medical devices, silicone valves play several important roles. For example, in IV systems, they prevent backflow of fluids, ensuring the correct administration of medications. In breathing devices, they control the flow of air, and in some catheters, they are used to prevent the entry of unwanted substances. Their biocompatibility and ability to provide reliable flow control make them essential in medical applications.

Q: Can silicone valves be used in high - temperature environments?

A: Yes, silicone valves have good high - temperature resistance. They can withstand temperatures ranging from - 60°C to 200°C, depending on the specific type of silicone material used. This makes them suitable for applications where exposure to high temperatures is involved, such as in some industrial processes or in products used in hot environments.

Q: Are silicone valves easy to clean?

A: Yes, silicone valves are relatively easy to clean. Their smooth surface resists the adhesion of dirt and residues. In the food and medical industries, they can be cleaned using standard cleaning agents and procedures. In some cases, they can be disassembled for more thorough cleaning, and they are also resistant to corrosion from common cleaning chemicals.

Q: Can silicone valves be customized?

A: Absolutely. Silicone valves can be customized in many aspects, including size, shape, Shore hardness, and opening pressure. Manufacturers can adjust the manufacturing process and the properties of the silicone material to meet specific application requirements. For example, in a medical device, the opening pressure of a silicone valve might be customized to ensure proper fluid flow for a particular treatment.

Q: What kind of testing is required for silicone valves?

A: Common tests for silicone valves include leak - proof tests to ensure they do not leak under normal and expected pressure conditions. Opening pressure tests are carried out to verify that the valve opens at the designed pressure. Flow rate tests are also important to determine how quickly the fluid or gas can pass through the valve under specific pressures.

Q: How do silicone valves compare to other types of valves in terms of durability?

A: Silicone valves generally have good durability. They are highly elastic and can withstand repeated opening and closing cycles without significant wear. Their resistance to high and low temperatures, as well as many chemicals, contributes to their long - lasting performance. Compared to some metal valves, they are less prone to corrosion.

As one of the most professional valve manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy customized valve at competitive price from our factory.

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