Customization: | Available |
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Structure: | Single End |
Pressure: | High Pressure Mechanical Seals |
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Parameter
|
Details
|
Model
|
QT-Hidrostal lower 3''
|
Seal Type
|
Multi-spring balanced mechanical seal
|
Nominal Diameter
|
3 inches (76.2 mm)
|
Maximum Operating Pressure
|
2.5 MPa (363 psi)
|
Minimum Operating Pressure
|
0.05 MPa (7.25 psi)
|
Maximum Operating Temperature
|
150°C (302°F)
|
Minimum Operating Temperature
|
-20°C (-4°F)
|
Shaft Speed Range
|
0 - 3000 RPM
|
Material of Construction - Stationary Ring
|
Silicon Carbide
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Material of Construction - Rotating Ring
|
Tungsten Carbide
|
Spring Material
|
Stainless Steel 316
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Gasket Material
|
Ethylene Propylene Diene Monomer (EPDM)
|
Sealing Face Flatness
|
0.00005 mm (0.000002 inches)
|
Sealing Face Roughness
|
Ra ≤ 0.2 μm (7.87 μin)
|
Axial Runout Tolerance
|
≤ 0.05 mm (0.002 inches)
|
Radial Clearance
|
0.1 - 0.3 mm (0.004 - 0.012 inches)
|
Axial Compression
|
2 - 3 mm (0.079 - 0.118 inches)
|
Spring Rate
|
50 N/mm (285.7 lbf/in)
|
Spring Compression Load
|
100 - 150 N (22.5 - 33.7 lbf)
|
Vibration Limit
|
≤ 5 mm/s (0.2 in/s) RMS
|
Fluid Compatibility
|
Compatible with water, oils, and non-corrosive chemicals
|
Mounting Orientation
|
Suitable for horizontal and vertical shaft applications
|
Number of Springs
|
6
|
Spring Pitch
|
12 mm (0.472 inches)
|
Seal Face Width
|
8 mm (0.315 inches)
|
Outer Diameter of Seal Assembly
|
100 mm (3.937 inches)
|
Inner Diameter of Seal Housing
|
80 mm (3.15 inches)
|
Overall Length of Seal Assembly
|
45 mm (1.772 inches)
|
Weight
|
1.2 kg (2.65 lb)
|
Certifications
|
Conforms to API 682 Standard
|
Lifetime Expectancy
|
Up to 8,000 operating hours under normal conditions
|