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Standard and high-pressure oil seals for pump and rotary machinery shafts. We supply a wide range of sizes and materials in accordance with DIN, ISO, BSI, ASTM and ČSN standards. High-pressure versions offer circumferential speeds of up to 40 m/s and operating pressures of 15 to 20 bar.
These values are approximate and may be influenced by other factors. We will be happy to consult with our expert to make sure you make the right choice.
We can supply bearings as sets for pumps to your specification. Peripheral speed up to 40 m/s and pressure 15 to 20 bar.
An oil seal, also known as a radial shaft seal, seals the space between a rotating shaft and a stationary part of the equipment. It limits the leakage of lubricant or other media and, depending on the design, also prevents dust, moisture and other contaminants from entering from the surroundings. It is used, for example, in pumps, gearboxes and other rotary machinery.
The sealing lip material is selected according to the pumped medium, operating temperature, peripheral speed and other operating conditions. We supply, for example, NBR, VMQ and FKM designs, as well as other materials to suit specific operating conditions.
For more information about sealing rotary equipment, see also mechanical seals and gland packing.
While standard oil seals are intended for normal operating conditions, high-pressure versions are designed to operate under higher pressure. The high-pressure oil seals we supply can handle operating pressures of 15 to 20 bar and peripheral speeds of up to 40 m/s.
The key dimensions are the shaft diameter, the housing bore diameter and the oil seal width. You can use the markings on the original oil seal or the equipment’s technical documentation as a guide.
The sealing lip material is selected according to the medium, operating temperature, peripheral speed and other operating conditions. Materials such as NBR, FKM and VMQ are commonly used. The specific version depends on the conditions in which it will operate.
Yes. We also supply high-pressure oil seals in kits for pumps, based on the customer’s specifications.
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