Customization: | Available |
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Structure: | Single End |
Pressure: | High Pressure Mechanical Seals |
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Parameter | Details |
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Model | QT - 166T |
Type | Double - balanced mechanical seal |
Application | Widely used in centrifugal pumps, agitators, and compressors in chemical processing, food and beverage, and water treatment industries |
Seal Face Material | Carbon Graphite (Stationary) Tungsten Carbide (Rotating) |
Secondary Sealing Element Material | Ethylene Propylene Diene Monomer (EPDM) |
Shaft Size Range | 15 mm - 100 mm (0.59 in - 3.94 in) |
Maximum Pressure Rating | 2.5 MPa (363 psi) |
Minimum Pressure Rating | 0.05 MPa (7.25 psi) |
Maximum Temperature Rating | 180°C (356°F) |
Minimum Temperature Rating | -30°C (-22°F) |
Rotational Speed Range | 0 - 3600 RPM |
Axial Runout Tolerance | ≤ 0.08 mm (0.0031 in) |
Radial Runout Tolerance | ≤ 0.04 mm (0.0016 in) |
Face Flatness | ≤ 0.0012 μm (0.047 μin) |
Face Roughness (Ra) | Stationary Face: ≤ 0.25 μm (9.8 μin) Rotating Face: ≤ 0.2 μm (7.9 μin) |
Seal Chamber Diameter Range | 25 mm - 110 mm (0.98 in - 4.33 in) |
Seal Width | 15 mm (0.59 in) |
Spring Material | Alloy 20 |
Spring Rate | 8 N/mm (45.7 lbf/in) |
Spring Load | 40 N - 120 N (8.9 lbf - 27 lbf) |
Lubrication Requirement | Adequate lubrication is required, can use water - based or oil - based lubricants |
Chemical Compatibility | Resistant to mild acids, alkalis, and many organic and inorganic solvents. Avoid contact with strong oxidizing agents and certain aggressive chemicals |
Installation Clearance | Axial: 0.6 mm - 1.2 mm (0.024 in - 0.047 in) Radial: 0.25 mm - 0.35 mm (0.0098 in - 0.0138 in) |
Seal Leakage Rate | ≤ 3 ml/h at rated pressure and speed |
Weight | 0.6 kg - 1.5 kg (1.32 lb - 3.31 lb) depending on shaft size |
Assembly Torque | 20 N·m - 40 N·m (14.8 lbf·ft - 29.5 lbf·ft) |
Maintenance Interval | Recommended inspection every 4 months; replacement every 1 - 1.5 years based on operating conditions |
Storage Conditions | Store in a dry, cool environment at temperatures between 5°C - 25°C (41°F - 77°F) and relative humidity below 50% |