Material
Rubber: large size seals offer excellent elasticity, ensuring tight sealing performance while helping to reduce vibration. Depending on the selected rubber compound, they can provide resistance to chemicals, oils, and petroleum-based media. These seals are designed to operate reliably across a wide range of temperatures and pressures.
PU: polyurethane seals offer high elasticity, they are also characterized by excellent wear resistance. This material is used for sealing applications where resistance to vibration and high pressure is required.
Silicone: Silicone seals offer excellent heat resistance and high resistance to extreme weather conditions, ozone, and aging. They are mainly used for static sealing applications.
PTFE: PTFE seals provide excellent resistance to corrosive environments and extreme temperatures. Due to their low coefficient of friction, they can often be used without lubrication.
Impact-resistant thermoplastics: Seals made from rigid materials such as polyamide or aluminum alloys help reduce the impact of pressure increases on individual components within an assembly.
Types of seals
Large size O-rings: O rings are used as reliable seals in many pneumatic and hydraulic applications. Ideal for tightness of large movable and fixed joints.
Large size seals: specialized seals to prevent fluid leaks and protect mechanisms from contamination. They are often used in large pumps, compressors, gearboxes and others.
Lip seals: these seals are suitable for applications in mixed environments such as high pressures and different temperatures, in enlarged extrusion gaps or narrow mounting cavities. They provide reliable sealing in large production systems.
Large size gaskets: often used as a sealing liner or static seal. Depending on the choice of material, they can withstand different operating environments.
Disc and Multi-Component Seals: designed for the specific requirements of large diameters and provide effective sealing in large units.
Size and shapes
You can order large size seals for large-sized units from QZSEALS. They are available in a variety of sizes and shapes that can be tailored to the specific requirements of your equipment. We offer both standard solutions and custom designs to ensure the perfect fit for your specifications. To order the required diameter, a drawing or technical characteristics of the required seal is enough, and QZSEALS will manufacture rubber products even in a single copy.
Resistance to impacts
Temperature resistance: seals can operate over a wide range of temperatures, from -200°C to +260°C, depending on the material used.
Chemical resistance: seals can withstand a variety of environments, such as protection against contamination and harsh chemicals, oils, or lubrication.
Mechanical impact: products are able to withstand significant vibrations, shocks and mechanical wear.
Benefits
Reliable sealing: QZSEALS provides effective sealing of large size seals and prevents leakage of liquids and gases.
Durability: QZSEALS offer high-quality materials and precise workmanship guarantee a long service life and minimal maintenance effort.
Customizable: the ability to design seals to meet the requirements of your equipment as much as possible.
Application
Large size seals are used in a variety of manufacturing and mining applications:
Oil & Gas Industry: In drilling rigs, pumps, and pipelines.
Mining: in massive machinery and equipment used for mining.
Energy: in generators, transformers, turbines and other installations.
Mechanical Engineering: in high-power pumps, gearboxes and other large-scale industrial machinery.
For imported machinery and equipment, we produce analogues of rubber products. The choice of rubber goods depends on the specific requirements of the product and the working environment. It is necessary to take into account the operating conditions: temperature, pressure, the presence of aggressive media in the unit, liquids and gases. Our specialists are always ready to help you with the selection and manufacture of standard and non-standard rubber products.
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