Model |
QT - cartridge seal |
Seal Type |
Cartridge mechanical seal |
Size |
Inner Diameter: 20 - 100mm (varies by specific model)
Outer Diameter: Corresponding to different inner diameters
Width: Varies according to specific dimensions |
Static Ring Material |
Carbon, Tungsten Carbide, Silicon Carbide, Ceramic (optional based on application) |
Rotating Ring Material |
Carbon, Tungsten Carbide, Silicon Carbide, Ceramic (optional based on application) |
Bellows Material (if applicable) |
Stainless Steel 316L, Stainless Steel 316, Stainless Steel 304, Alloy 20, Hast-C (optional) |
Sealing Element Material |
Elastomers (such as FKM, NBR, EPDM), PTFE |
Maximum Working Pressure |
Up to 2.0 - 3.5 MPa (depends on specific model and size) |
Minimum Working Pressure |
0.03 - 0.05 MPa |
Maximum Working Temperature |
-20 - 200°C |
Minimum Working Temperature |
-20°C |
Shaft Speed Range |
0 - 3000 - 4000 RPM (varies by model) |
Fluid Compatibility |
Pulp, Paper Sludge, Chemicals, Petrochemicals, Refinery Fluids, and More |
Sealing Face Flatness |
≤0.0006 - 0.0008 mm |
Sealing Face Roughness |
Ra ≤0.12 - 0.18 μm |
Axial Runout Tolerance |
≤0.04 - 0.05 mm |
Radial Runout Tolerance |
≤0.025 - 0.03 mm |
Spring Quantity |
Varies by design |
Spring Material |
Stainless Steel 316, etc. |
Spring Rate |
Appropriate value based on specific design |
Installation Depth |
Varies according to equipment requirements |
Weight |
Varies by size and material |
Leakage Rate |
≤1 - 3 ml/h (at rated conditions) |
Operating Medium Viscosity Range |
0.1 - 200 - 300 cSt |
Corrosion Resistance |
Good resistance to a variety of corrosive media depending on material selection |
Lubrication Requirement |
Self-lubricating with the sealed fluid |
Maintenance Interval |
Recommended every 12 - 18 months or 8000 - 12000 operating hours |
Storage Conditions |
Store in a dry, cool place; temperature 0 - 35°C, humidity ≤60% |
Assembly Instructions |
Align and install as a whole; torque bolts to specified value |
Disassembly Instructions |
Release system pressure; handle with care to avoid damage |
Compatibility with Equipment |
Pumps, Compressors, Agitators, Mixers, Reactors, Dyeing Machines, and Other Equipment with Rotating Shafts |
Cleaning Method |
Use mild solvents; clean gently |
Replacement Parts |
Cartridge assembly, seals, springs, etc. |
Testing Standards |
Complies with ISO 21049, API 682, and Other Relevant Standards |