Customization: | Available |
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Structure: | Double-End |
Pressure: | Medium Pressure Mechanical Seals |
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Parameter
|
Value
|
Seal Type
|
Double Mechanical Seal
|
Nominal Diameter Range
|
15 mm - 150 mm
|
Pressure Rating
|
Up to 2.5 MPa
|
Temperature Range
|
-40°C to 220°C
|
Shaft Speed
|
Maximum 3000 RPM
|
Face Material
|
Carbon Graphite / Silicon Carbide
|
O-Ring Material
|
EPDM
|
Spring Material
|
Stainless Steel 316
|
Seal Body Material
|
Cast Iron
|
Leakage Rate
|
≤ 5 ml/h (under standard test conditions)
|
Axial Runout Tolerance
|
≤ 0.05 mm
|
Radial Clearance
|
0.1 mm - 0.3 mm
|
Mounting Method
|
Flange Mounting
|
Shaft Hardness
|
≥ 28 HRC
|
Shaft Surface Finish
|
Ra ≤ 0.8 μm
|
Seal Chamber Finish
|
Ra ≤ 1.6 μm
|
Chemical Compatibility
|
Compatible with water, oil, weak acids and alkalis (pH 4 - 10)
|
Torque Requirement
|
15 N·m - 30 N·m
|
Seal Face Flatness
|
≤ 0.0009 mm
|
Thermal Conductivity
|
15 W/(m·K) (for seal face material)
|
Density
|
2.2 g/cm³ (seal face material); 1.2 g/cm³ (O-ring material)
|
Elongation at Break
|
≥ 300% (O-ring material)
|
Tensile Strength
|
15 MPa (O-ring material); 200 MPa (seal face material)
|
Compression Set
|
≤ 20% (after 22 hours at 100°C for O-ring material)
|
Vibration Resistance
|
Withstands vibration up to 10 m/s² (peak acceleration)
|
Service Life
|
Up to 8000 operating hours under normal conditions
|
Assembly Clearance
|
1.5 mm - 2.5 mm
|
Disassembly Force
|
≤ 50 N
|
Storage Conditions
|
Store in dry environment, away from direct sunlight, at temperature 5°C - 35°C
|
Installation Torque
|
20 N·m - 25 N·m (for fixing bolts)
|
Shaft Tolerance
|
h7
|
Housing Bore Tolerance
|
H8
|
Axial Movement Allowance
|
± 0.2 mm
|
Lubrication Requirement
|
Adequate lubrication required for continuous operation
|