| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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| Parameter | Specification |
|---|---|
| Model | QT-HI Series (High Integrity Dual Seal) |
| Type | Pressurized Double Seal (Tandem or Back-to-Back) |
| Design Standard | API 682 Type C / ISO 21049 |
| Seal Face Materials | Primary: SiC (Rotating) vs SiC (Stationary) Secondary: Tungsten Carbide (WC) vs Carbon |
| Secondary Seals | Perfluoroelastomer (FFKM) Standard PTFE Wedge (High-Purity Optional) |
| Metal Components | 316L Stainless Steel (Mirror Polished) |
| Shaft Diameter Range | 25-120mm (1"-4.72") |
| Pressure Rating | 40 bar (580 psi) Barrier Fluid / 25 bar (363 psi) Process Side |
| Temperature Range | -50°C to +260°C (-58°F to +500°F) |
| Max. Surface Speed | 30 m/s (98.4 ft/s) |
| Max. RPM | 7,200 RPM |
| Leakage Rate | < 0.1 ml/hr (API 682 compliant) |
| Barrier Fluid Pressure | Process Pressure + 2-3 bar (29-44 psi) |
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