Customization: | Available |
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Structure: | Double-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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QT-TD Mechanical Seal
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A high - performance mechanical seal specifically developed for diverse industrial pumping applications, providing reliable and efficient sealing solutions.
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Model
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QT-TD
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Engineered to meet the stringent requirements of various operating conditions, ensuring stable performance in different systems.
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Materials
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- Rotating Ring
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Tungsten Carbide
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Tungsten carbide offers exceptional hardness and wear resistance, enabling the rotating ring to endure high - speed and high - pressure operations with minimal degradation, thus extending the seal's lifespan.
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- Stationary Ring
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Carbon Graphite
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The carbon graphite stationary ring provides excellent self - lubricating properties and good chemical resistance, reducing friction and ensuring effective sealing.
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- O - Ring
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Fluoroelastomer (FKM)
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The FKM O - ring ensures a tight seal and is resistant to a wide range of chemicals, temperatures, and harsh environments, maintaining reliable performance over time.
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Size Specifications
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Shaft Diameter Range
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18 - 45 mm
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This seal is designed to fit pump shafts with diameters within this range, making it suitable for a variety of pump sizes and applications in different industries.
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Seal Chamber Inner Diameter
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28 - 55 mm
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The seal chamber inner diameter range ensures proper installation and alignment, facilitating optimal sealing performance and preventing leakage.
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Seal Width
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8.5 mm
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The 8.5 - mm seal width is carefully optimized to balance effective sealing and reduced friction, contributing to the overall efficiency of the pumping system.
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Performance Parameters
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Working Pressure
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Maximum 1.5 MPa
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Under normal operating conditions, the QT-TD seal can withstand a maximum working pressure of 1.5 MPa, ensuring the integrity of the sealed system and preventing fluid leakage.
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Working Temperature
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-20ºC - 130ºC
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Capable of operating effectively within this temperature range, the seal can adapt to both cold and moderately high - temperature applications, making it versatile for various industrial processes.
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Linear Velocity
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Maximum 10 m/s
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The seal is engineered to handle a maximum linear velocity of 10 m/s, maintaining stable performance even when the pump is operating at high rotational speeds.
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Applicable Media
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- Water - based Fluids
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Suitable for clean water, industrial wastewater, and water - based solutions with a pH range of 4 - 10. It can effectively seal different types of aqueous media.
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- Oil - based Fluids
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Compatible with common lubricating oils, hydraulic oils, and some light hydrocarbon oils, providing reliable sealing for oil - circulation systems.
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- Chemical Solutions
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Resistant to many common chemical solutions, such as weak acids, alkalis, and some organic solvents, making it suitable for chemical processing and handling applications.
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Installation and Maintenance
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Installation Method
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Axial Installation
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The seal is installed axially onto the pump shaft following a precise installation procedure to ensure proper alignment and a secure seal, minimizing the risk of leakage.
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Installation Torque
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13 - 17 N·m
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During installation, applying a torque within this range secures the seal in place without causing damage to the seal components, ensuring optimal performance.
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Maintenance Cycle
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Every 3500 operating hours
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Regular maintenance is recommended every 3500 operating hours. This includes inspecting the seal for signs of wear, leakage, and proper alignment, and performing any necessary adjustments or replacements.
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Storage Conditions
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Store in a dry, shaded environment at a temperature between 8ºC - 22ºC. Keep away from direct sunlight, moisture, and corrosive substances.
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Proper storage conditions help preserve the quality and integrity of the seal components, ensuring their readiness for installation and long - term performance.
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Quality and Certification
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Service Life
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Approximately 1.8 - 2.8 years under normal operating conditions
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With proper operation and maintenance, the QT-TD mechanical seal can provide reliable service for 1.8 to 2.8 years, reducing the frequency of replacements and associated costs.
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Leakage Rate
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≤0.09 mL/h
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The seal is designed to have a low leakage rate, ensuring that the pumped fluid remains within the system, minimizing environmental impact and product loss.
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Certification Standards
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ISO 9001, ISO 14001
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The QT-TD seal complies with ISO 9001 quality management system standards and ISO 14001 environmental management system standards, demonstrating its high - quality manufacturing and environmental responsibility.
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Other Characteristics
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Vibration Resistance
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Can withstand vibrations with a frequency range of 5 - 45 Hz and an amplitude of 0.45 mm.
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Engineered to maintain its sealing performance in environments with moderate vibration levels, ensuring stable operation of the pumping system.
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Self - lubricating Property
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The seal surfaces have a self - lubricating treatment that reduces friction and wear, enhancing the seal's durability and efficiency.
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This self - lubricating feature extends the service life of the seal and reduces the need for additional lubrication, contributing to lower maintenance requirements.
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