Customization: | Available |
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Structure: | Single End |
Pressure: | High Pressure Mechanical Seals |
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Parameter | Specification | |
---|---|---|
Model | QT-GLF-43 (Gas-Lubricated Dry-Running Seal) | |
Type | Non-Contact Gas Barrier Seal (Single/Double Configurable) | |
Material Composition | - Primary Rings: Silicon Carbide (SiC) / Diamond-Coated Carbon - Secondary Seals: PTFE/FFKM - Metal Parts: SS316 / Hastelloy C276 - Spring: Inconel X-750 |
|
Temperature Range | - Standard: -60°C to +400°C - Cryogenic Option: -200°C to +120°C |
|
Pressure Range | - Process Side: Vacuum to 12.5 MPa (125 bar) - Barrier Gas: 0.3-0.7 MPa above process |
|
Shaft Diameter | 43 mm (Standard) | Custom Range: 30-80 mm Available |
Speed | Max. 45 m/s (≈ 18,000 RPM) | |
Leakage Rate | ≤ 0.02 Nm³/hr (Helium Test) | |
Surface Finish | Seal Faces: Ra ≤ 0.03 μm (Laser-Textured) | |
Gas Consumption | 0.5-2 Nm³/hr (Nitrogen/Argon) | |
Applications | - Sour Gas Compressors - Hydrogen Circulators - LNG Cryogenic Pumps |
|
Media Compatibility | Hydrogen, LNG, Aggressive Chemicals | |
Standards | API 682 (Type 3B), ISO 21049, ASME B73.3 | |
Certifications | API 617 Annex H, NACE MR0103, SIL 3 |