| Customization: | Available |
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| Structure: | Single End |
| Pressure: | Medium Pressure Mechanical Seals |
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Parameter
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Description
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Model Number
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QT-004
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Application
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Designed for pumps, reactors, and agitators in chemical, petrochemical, and pharmaceutical industries
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Seal Type
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Single spring, unbalanced, inside-mounted mechanical seal
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Operating Pressure Range
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-0.1 MPa to 2.5 MPa
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Temperature Range
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-40°C to 200°C
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Shaft Diameter Compatibility
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20 mm - 60 mm
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Speed Limit
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Up to 3000 RPM
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Face Material
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Tungsten Carbide (Stationary) and Carbon Graphite (Rotating)
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Spring Material
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Stainless Steel 316
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O-Ring Material
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High-performance elastomer with excellent chemical resistance
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Leakage Rate
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≤ 5 ml/h at normal operating conditions
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Axial Length
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50 mm
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Face Flatness
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≤ 0.0009 mm
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Face Roughness (Ra)
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Stationary Face: ≤ 0.2 μm; Rotating Face: ≤ 0.4 μm
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Spring Rate
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25 N/mm
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Axial Tolerance
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± 0.5 mm
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Radial Runout Tolerance
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≤ 0.05 mm
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Chemical Compatibility
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Resistant to a wide range of acids, alkalis, and organic solvents. Refer to detailed chemical resistance chart for specific media.
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Lubrication Requirement
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Self-lubricating due to carbon graphite face; additional lubrication may be required for certain media
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Installation Torque
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15 - 20 N·m for gland bolts
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Storage Conditions
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Store in a dry, clean environment at temperatures between 5°C - 35°C, away from direct sunlight and chemicals
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Service Life
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Approximately 8000 - 12000 operating hours under normal conditions
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Maintenance Interval
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Recommended inspection every 1000 operating hours
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Assembly Instructions
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Align the stationary and rotating components precisely; ensure proper compression of the O-ring and spring
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Disassembly Instructions
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Release pressure and isolate the equipment; carefully remove gland bolts and components in sequence
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Packaging
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Each seal is individually packed in anti-static bags with desiccant, placed in a sturdy cardboard box
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Weight
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0.8 kg (approximate)
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Certification
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Complies with ISO 21049 and API 682 standards
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