Customization: | Available |
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Structure: | Single End |
Pressure: | Medium Pressure Mechanical Seals |
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Parameter Category
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Specific Parameter
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Detailed Description
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Basic Information
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Seal Type
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Flygt 58U Mechanical Seal
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A high - performance mechanical seal specifically designed for submersible pumps, ensuring reliable operation in harsh underwater environments.
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Brand
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Flygt
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A well - known brand in the field of pump and sealing solutions, providing quality and durability.
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Model
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58U
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This model is engineered to offer excellent sealing performance and long service life under various working conditions.
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Materials
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- Rotating Ring
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Silicon Carbide (SiC)
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SiC is used for the rotating ring due to its high hardness and outstanding wear resistance, enabling the seal to withstand high - speed rotation and heavy loads.
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- Stationary Ring
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Tungsten Carbide
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Tungsten carbide stationary ring has excellent mechanical properties and corrosion resistance, ensuring stable sealing performance.
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- O - Ring
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Ethylene Propylene Diene Monomer (EPDM)
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EPDM O - ring provides good sealing ability and is resistant to water, steam, and many chemicals, making it suitable for submersible applications.
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Size Specifications
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Shaft Diameter Range
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30 - 60 mm
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The seal can be installed on shafts with diameters within this range, fitting a wide variety of submersible pump models.
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Seal Chamber Inner Diameter
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40 - 70 mm
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Designed to match the inner diameter of the seal chamber of corresponding pumps for proper installation and tight sealing.
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Seal Width
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10 mm
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The 10 - mm width of the seal is optimized to balance sealing effectiveness and mechanical strength.
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Performance Parameters
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Working Pressure
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Maximum 2.0 MPa
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Under normal operation, the seal can withstand a maximum pressure of 2.0 MPa, preventing leakage of the pumped medium.
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Working Temperature
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-30ºC - 80ºC
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It can operate effectively within this temperature range, suitable for both cold and moderately warm underwater applications.
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Linear Velocity
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Maximum 12 m/s
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Capable of handling a maximum linear velocity of 12 m/s, ensuring stable performance even at high - speed rotation of the pump shaft.
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Applicable Media
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- Water
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Ideal for clean water, raw water, and wastewater, with the ability to resist particles and contaminants in water.
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- Slurry
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Can handle slurries with a solid content of up to 15% (by volume), depending on the particle size and nature.
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Installation and Maintenance
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Installation Method
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Axial Installation with Special Tools
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Installed axially onto the pump shaft using specific installation tools to ensure accurate alignment and proper compression of the seal components.
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Installation Torque
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20 - 25 N·m
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During installation, a torque within this range should be applied to secure the seal firmly without over - tightening, which may damage the seal.
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Maintenance Cycle
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Every 4000 operating hours
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Regular maintenance is recommended every 4000 operating hours, including inspection for signs of wear, leakage, and proper functioning of the seal components.
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Storage Conditions
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Store in a dry and dust - free environment at a temperature between 5ºC - 25ºC. Avoid exposure to direct sunlight and chemicals.
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Proper storage conditions help maintain the integrity of the seal materials and prevent premature aging.
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Quality and Certification
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Service Life
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Approximately 3 - 5 years under normal operating conditions
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With proper operation and maintenance, the Flygt 58U seal can provide reliable service for 3 - 5 years.
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Leakage Rate
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≤0.05 mL/h
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Engineered to have an extremely low leakage rate, ensuring environmental protection and efficient operation of the pump system.
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Certification Standards
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ISO 9001, ISO 14001, EN 12418
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Meets multiple international quality and environmental management system standards, as well as relevant European standards for pump seals.
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Other Characteristics
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Vibration Resistance
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Can withstand vibrations with a frequency range of 10 - 60 Hz and an amplitude of 0.6 mm.
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Designed to maintain its sealing performance even in environments with significant vibrations.
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Self - aligning Feature
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Has a self - aligning structure that can compensate for minor misalignments of the pump shaft, reducing the risk of seal failure.
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