Model |
QT 270 |
Seal Type |
Single - Ended Seal (assumed) |
Size |
Inner Diameter: 40mm (assumed)
Outer Diameter: 65mm (assumed)
Width: 16mm (assumed) |
Static Ring Material |
Carbon Graphite (assumed) |
Rotating Ring Material |
Silicon Carbide (assumed) |
Sealing Element Material |
Hydrogenated Nitrile Butadiene Rubber (HNBR) (assumed) |
Maximum Working Pressure |
2.2MPa (assumed) |
Minimum Working Pressure |
0.06MPa (assumed) |
Maximum Working Temperature |
150°C (assumed) |
Minimum Working Temperature |
-25°C (assumed) |
Shaft Speed Range |
0 - 3000RPM (assumed) |
Fluid Compatibility |
Water, Lubricating Oil, Some Chemical Solutions (assumed) |
Flatness of Sealing Face |
≤0.0007mm (assumed) |
Roughness of Sealing Face |
Ra ≤ 0.15μm (assumed) |
Axial Runout Tolerance |
≤0.05mm (assumed) |
Radial Runout Tolerance |
≤0.03mm (assumed) |
Number of Springs |
5 (assumed) |
Spring Material |
Stainless Steel 316 (assumed) |
Spring Stiffness |
18N/mm (assumed) |
Installation Depth |
26mm (assumed) |
Weight |
0.4kg (assumed) |
Leakage Rate |
≤2.5ml/h (assumed) |
Viscosity Range of Working Medium |
0.3 - 200cSt (assumed) |
Corrosion Resistance |
Good corrosion resistance to common industrial fluids (assumed) |
Lubrication Requirement |
Self - lubricating under normal conditions (assumed) |
Maintenance Interval |
Recommended every 12 months or 8000 working hours (assumed) |
Storage Conditions |
Dry and ventilated, temperature 2 - 30°C, humidity ≤60% (assumed) |
Assembly Instructions |
Align precisely with the shaft, torque the bolts to 8N·m (assumed) |
Disassembly Instructions |
Release the system pressure completely before disassembly (assumed) |
Compatibility with Equipment |
Suitable for medium - sized centrifugal pumps, mixing equipment, etc. (assumed) |
Cleaning Method |
Use mild solvents, avoid using sharp tools (assumed) |
Replacement Parts |
Static ring, rotating ring, sealing elements, springs (assumed) |
Testing Standards |
Comply with ISO 21049 and API 682 standards (assumed) |