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 Number
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QT-6
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Seal Type
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Single-Ended Unbalanced
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Application
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Suitable for pumps, reactors, and mixers in chemical, petrochemical, and pharmaceutical industries
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Operating Pressure
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Maximum 1.6 MPa (232 psi)
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Minimum Operating Pressure
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0.05 MPa (7.3 psi)
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Operating Temperature
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-40°C to 200°C (-40°F to 392°F)
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Shaft Diameter Range
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15 mm to 100 mm (0.59 in to 3.94 in)
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Face Material
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Tungsten Carbide (Stationary) and Silicon Carbide (Rotating)
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O-Ring Material
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Ethylene Propylene Diene Monomer (EPDM)
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Spring Material
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Stainless Steel 316
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Seal Face Flatness
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≤0.0009 mm (≤0.000035 in)
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Seal Face Roughness Ra
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≤0.2 μm (≤0.000008 in)
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Leakage Rate
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≤5 ml/h at 0.6 MPa (87 psi) and 20°C (68°F)
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Axial Length
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35 mm (1.38 in)
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Outer Diameter
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Varies based on shaft diameter, range from 40 mm to 125 mm (1.57 in to 4.92 in)
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Installation Clearance
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Radial: 0.2 - 0.5 mm (0.0079 - 0.0197 in), Axial: 0.3 - 0.8 mm (0.0118 - 0.0315 in)
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Torque Transmission
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Maximum 50 N·m (36.9 lb·ft)
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Speed Limit
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Maximum 3000 rpm
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Chemical Resistance
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Resistant to most acids, alkalis, and organic solvents; not suitable for strong oxidizing agents
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Compression Set
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≤15% after 168 hours at 150°C (302°F)
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Hardness of Face Material
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Tungsten Carbide: 1600 - 1800 HV, Silicon Carbide: 2200 - 2400 HV
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Wear Rate
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Tungsten Carbide: ≤0.002 mm/100 h, Silicon Carbide: ≤0.0015 mm/100 h
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Pressure Rating at 100°C
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1.2 MPa (174 psi)
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Pressure Rating at -20°C
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1.4 MPa (203 psi)
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Storage Conditions
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Store in a dry, clean environment at temperatures between 0°C and 30°C (32°F and 86°F)
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Service Life
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Under normal operating conditions, up to 8000 hours
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Weight
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Varies by size, range from 0.2 kg to 1.2 kg (0.44 lb to 2.65 lb)
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Lubrication Requirement
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Self-lubricating through the sealed fluid
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Dynamic Friction Coefficient
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0.08 - 0.12
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Static Friction Coefficient
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0.1 - 0.15
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Assembly Torque for Bolts
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8 - 12 N·m (5.9 - 8.9 lb·ft)
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Vibration Resistance
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Withstands vibrations up to 5 mm/s (0.197 in/s) peak velocity
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Seal Face Parallelism
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≤0.002 mm (≤0.000079 in)
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