Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of w seals in China, also supports customized service. Please feel free to buy high quality w seals for sale here from our factory.
lindePolymer: Your Premier W seals Manufacture
As a professional rubber seal manufacturer, we take quality seriously. From carefully checking our raw materials to keeping a close eye on production, we make sure everything is up to standard. We use automated testing, control our production environment, and train our team regularly to maintain high quality. We also handle any defective products swiftly, listen to customer feedback, and continually improve our processes. All of this ensures that our products meet ISO standards and truly meet your needs.
What is W seals
W seals are a common type of seal, also known as W-ring seals.
W seals are usually made of elastic materials such as rubber or polyurethane. The cross-section is W-shaped, with a large sealing area and good elastic deformation characteristics.
W seals are commonly used in static sealing applications such as pipe connections, valves and container seals.
Its lateral shape and good elastic deformation ability enable it to withstand a certain degree of pressure and deformation, thereby providing a better sealing effect.
The following is a detailed description of W seals in sealing pipes
Function of w seals
The main function is to prevent liquid or gas from leaking from pipe connections. They form a tight seal by filling the gaps between connecting parts, ensuring uninterrupted flow of media through the piping system.
Material selection
W seals are often made of rubber (such as nitrile rubber, fluorine rubber) or polyurethane. Selecting the appropriate sealing material is key to ensuring sealing performance and durability, as different media and working conditions may require different materials to meet requirements such as chemical resistance, temperature resistance, and pressure resistance.
Installation method
W seals are frequently installed on the sealing surface of pipe connecting parts (such as flanges). During installation, the seal should be correctly placed between the connecting parts and ensure a tight fit against the sealing surface.
Sealing performance
When the pipe connecting parts are under pressure, the W seal will be squeezed, thereby filling the gap between the connecting parts and forming a tight seal. They can adapt to a certain degree of pipeline deviation and vibration and maintain reliable sealing performance.
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| Physical Properties | Nominal Value (Metric) | Nominal Value (English) | Test Method |
| density | 1.20 g/cc | 0.0434 lb/in³ | STN EN ISO 1183-1 |
| melt flow rate | 10 g/10 min | 10 g/10 min | STN EN ISO 1133 |
| Mechanical | Nominal Value (Metric) | Nominal Value (English) | Test Method |
| Tensile Strength (Break) | 45.0 MPa | 6530 psi | STN EN ISO 527-2 |
| Tensile Strength (Break) | 750% | 750% | STN EN ISO 527-2 |
| Tensile modulus | 0.350 GPa | 50.8 ksi | STN EN ISO 527-2 |
| Bending strength | 14.0 MPa | 2030 psi | STN EN ISO 178 |
| Thermal performance | Nominal Value (Metric) | Nominal Value (English) | Test Method |
| melting temperature | 140 °C | 284 °F | STN EN 11357-1 |
| Vicat softening temperature | 130 °C | 266 °F | STN EN ISO 306 |
