Customization: | Available |
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Structure: | Single End |
Pressure: | High Pressure Mechanical Seals |
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Parameter | Value | Unit | Technical Notes |
---|---|---|---|
Model | QT-M37G | - | Multi-spring mechanical seal for general industrial use |
Seal Design | Multi-Spring Pusher Type with Tapered Seat | - | Uniform pressure distribution for stable sealing |
Primary Face Material | Silicon Carbide (SiC) | - | Hardness: ≥ 1300 HV, Chemical Resistance: Excellent |
Secondary Face Material | Resin-Impregnated Graphite | - | Low coefficient of friction: 0.05 - 0.09 |
Housing Material | Stainless Steel 316 (Heat Treated) | - | Corrosion Resistance: ≤ 0.05 mm/year (in NaCl solution) |
Pressure Range | 0 - 2.5 | MPa | Burst Pressure: 4.0 MPa (tested) |
Shaft Diameter Range | 20 mm - 70 mm | mm | Shaft Surface Roughness: Ra ≤ 0.8 μm |
Maximum Rotational Speed | 4200 | RPM | Vibration Limit: ≤ 3.5 mm/s (RMS, 10-1000 Hz) |
Leakage Rate | ≤ 3.0 | ml/h | Meets API 682 leakage class B standards |
Hardness (Primary Face) | ≥ 85 | HRC | Wear Rate: ≤ 0.03 mm/1000 hours under load |
Media Compatibility | Water, Mineral Oils, Weak Acidic/Basic Solutions | - | Avoid concentrated salts or abrasive particles |
Installation Feature | Split-Type Cartridge for Easy Retrofit | - | No need to dismantle shaft during replacement |
Compliance Standards | API 682, ISO 21049, ASME B73.1 | - | Certified for pumps, mixers, and agitators |