Basic Information |
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Seal Type |
Qt-Mg12 Mechanical Seal |
A high-performance mechanical seal designed for various industrial pump applications, ensuring reliable sealing under diverse working conditions. |
Model |
Qt-Mg12 |
Specifically engineered to provide efficient sealing solutions for pumps in different industries. |
Materials |
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- Rotating Ring |
Tungsten Carbide |
Tungsten carbide offers extreme hardness and wear resistance, making it ideal for high-speed and high-pressure operations, ensuring long-term durability of the seal. |
- Stationary Ring |
Carbon Graphite |
Carbon graphite provides excellent self-lubricating properties and good chemical resistance, contributing to smooth operation and effective sealing. |
- O-Ring |
Ethylene Propylene Diene Monomer (EPDM) |
EPDM O-ring ensures a tight seal and shows good resistance to water, steam, and many polar substances, suitable for a wide range of media. |
Size Specifications |
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Shaft Diameter Range |
25 - 60 mm |
This seal can be installed on shafts with diameters within this range, accommodating various pump shaft sizes commonly found in industrial settings. |
Seal Chamber Inner Diameter |
35 - 70 mm |
Designed to fit into seal chambers with inner diameters in this range, ensuring proper installation and stable performance. |
Seal Width |
9 mm |
The 9 mm width of the seal is optimized to achieve a balance between effective sealing and minimizing energy consumption due to friction. |
Performance Parameters |
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Working Pressure |
Maximum 2.0 MPa |
Under normal operating conditions, the seal can withstand a maximum pressure of 2.0 MPa, preventing leakage of the pumped medium effectively. |
Working Temperature |
-30ºC - 180ºC |
Capable of operating efficiently within this wide temperature range, making it suitable for both low-temperature and high-temperature industrial applications. |
Linear Velocity |
Maximum 12 m/s |
The seal can handle a maximum linear velocity of 12 m/s, ensuring stable performance even when the pump operates at high speeds. |
Applicable Media |
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- Water and Aqueous Solutions |
Suitable for fresh water, sea water, and various aqueous solutions with pH values ranging from 2 to 13. |
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- Oil and Organic Liquids |
Applicable to mineral oils, synthetic lubricants, and many organic solvents, except those with strong oxidizing properties. |
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Installation and Maintenance |
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Installation Method |
Axial Installation |
Installed axially onto the pump shaft following a precise installation procedure to ensure correct alignment and a reliable seal. |
Installation Torque |
18 - 22 N·m |
A torque within this range should be applied during installation to firmly secure the seal without causing damage to its components. |
Maintenance Cycle |
Every 4000 operating hours |
Regular maintenance is recommended every 4000 operating hours, including inspection for signs of wear, leakage, and proper alignment of the seal components. |
Storage Conditions |
Store in a dry, cool environment with a temperature range of 5ºC - 25ºC. Keep away from direct sunlight and aggressive chemicals. |
Proper storage conditions help maintain the integrity of the seal materials and extend its shelf life. |
Quality and Certification |
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Service Life |
Approximately 2 - 3.5 years under normal operating conditions |
With proper operation and regular maintenance, the Qt-Mg12 seal can provide reliable service for 2 to 3.5 years. |
Leakage Rate |
≤0.15 mL/h |
Engineered to have a low leakage rate, ensuring the pumped medium remains contained within the system and reducing environmental impact. |
Certification Standards |
ISO 9001, ISO 14001 |
Meets the requirements of ISO 9001 quality management system standards and ISO 14001 environmental management system standards, guaranteeing high-quality products and environmental responsibility. |
Other Characteristics |
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Vibration Resistance |
Can withstand vibrations with a frequency range of 10 - 60 Hz and an amplitude of 0.6 mm. |
Designed to maintain its sealing performance in environments with significant vibrations, common in industrial pump operations. |
Self-lubricating Property |
The seal surfaces are treated to enhance self-lubricating capabilities, reducing friction and wear during operation. |
This feature improves the seal's efficiency and extends its service life, minimizing the need for additional lubrication. |