Customization: | Available |
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Structure: | Single End |
Pressure: | High Pressure Mechanical Seals |
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Parameter
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Details
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Model
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QT-960
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Type
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Single-Ended Unbalanced Mechanical Seal
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Application
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Suitable for pumps, reactors, and mixers in chemical, petroleum, and pharmaceutical industries
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Seal Face Material
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Tungsten Carbide (Stationary) Silicon Carbide (Rotating)
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O-Ring Material
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Fluoroelastomer (FKM)
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Shaft Size Range
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20 mm - 80 mm (0.79 in - 3.15 in)
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Maximum Pressure Rating
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1.6 MPa (232 psi)
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Minimum Pressure Rating
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Vacuum - 0.1 MPa (14.5 psi)
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Maximum Temperature Rating
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200°C (392°F)
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Minimum Temperature Rating
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-40°C (-40°F)
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Rotational Speed Range
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0 - 3000 RPM
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Axial Runout Tolerance
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≤ 0.05 mm (0.002 in)
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Radial Runout Tolerance
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≤ 0.03 mm (0.0012 in)
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Face Flatness
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≤ 0.0009 μm (0.035 μin)
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Face Roughness (Ra)
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Stationary Face: ≤ 0.2 μm (8 μin) Rotating Face: ≤ 0.15 μm (6 μin)
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Seal Chamber Diameter Range
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30 mm - 90 mm (1.18 in - 3.54 in)
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Seal Width
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12 mm (0.47 in)
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Spring Material
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Stainless Steel 316
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Spring Rate
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5 N/mm (28.6 lbf/in)
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Spring Load
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30 N - 80 N (6.7 lbf - 18 lbf)
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Lubrication Requirement
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Self-lubricating under normal operating conditions; can use compatible liquid lubricants if needed
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Chemical Compatibility
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Resistant to a wide range of acids, alkalis, and organic solvents, but avoid strong oxidizing agents
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Installation Clearance
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Axial: 0.5 mm - 1.0 mm (0.02 in - 0.04 in) Radial: 0.2 mm - 0.3 mm (0.008 in - 0.012 in)
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Seal Leakage Rate
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≤ 5 ml/h at rated pressure and speed
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Weight
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0.5 kg - 1.2 kg (1.1 lb - 2.65 lb) depending on shaft size
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Assembly Torque
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15 N·m - 30 N·m (11.1 lbf·ft - 22.1 lbf·ft)
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Maintenance Interval
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Recommended inspection every 6 months; replacement every 1 - 2 years based on operating conditions
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Storage Conditions
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Store in a dry, clean environment at temperatures between 0°C - 30°C (32°F - 86°F) and relative humidity below 60%
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