Customization: | Available |
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Structure: | Single End |
Pressure: | Medium Pressure Mechanical Seals |
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Parameter | Specification |
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Model | QT-BLS Series (Bidirectional Liquid Seal) |
Type | Double Cartridge Seal with Bidirectional Flow Design |
Design Standard | API 682 Type B / ISO 21049 |
Seal Face Materials | Rotating: Tungsten Carbide (WC-12Co) / Stationary: Carbon Graphite (Premium Grade) |
Secondary Seals | FKM (Standard), EPDM (Water), PTFE (Chemical) |
Metal Components | 316L Stainless Steel (Electropolished) |
Shaft Diameter Range | 25-120mm (1"-4.72") |
Pressure Rating | 16 bar (232 psi) dynamic / 20 bar (290 psi) static |
Temperature Range | -30°C to +200°C (-22°F to +392°F) |
Surface Speed | 25 m/s (82 ft/s) |
Max RPM | 5,000 RPM (for 50mm shaft) |
Leakage Rate | < 3 ml/hr (API 682 compliant) |
Spring System | Multiple Coil Springs (Inconel 718) |