Advanced Qt-960 Seal: Reliable Mechanical Seal Solutions

• Customization: Available
• Structure: Single End
• Pressure: Medium Pressure Mechanical Seals
• Model NO.: QT-960
• Speed: General Speed Mechanical Seal
• Temperature: Poor Temperature Mechanical Seal
• Performance: Temperature
• Standard: Standard
• Type: Qt-960
• Balance: Unbalanced
• Field: Slurry Pump
• Transport Package: Customized
• Trademark: Queeny
• Origin: China
• HS Code: 84842000
• Production Capacity: 100000
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Parameter	Details
Seal Type	Single-Ended, Unbalanced, Cartridge Seal
Materials	Body: Stainless Steel 316 Face: Tungsten Carbide Secondary Seal: EPDM
Operating Pressure	Maximum: 2.5 MPa Minimum: 0.05 MPa
Temperature Range	-40°C to 150°C
Shaft Diameter Compatibility	20 mm - 80 mm
Rotational Speed	Maximum: 3000 RPM
Fluid Compatibility	Water, Mineral Oil, Glycol-based Fluids
Leakage Rate	≤ 5 ml/h at 1.0 MPa and 2000 RPM
Seal Face Flatness	≤ 0.0009 mm
Hardness of Seal Face	Tungsten Carbide: 1300 - 1500 HV
Axial Length	50 mm - 120 mm (varies by size)
Radial Clearance	0.2 mm - 0.5 mm
Compression Force of Secondary Seal	5 N - 15 N
Vibration Resistance	≤ 5 mm/s at rated speed
Assembly Torque	15 N·m - 30 N·m (depends on shaft size)
Disassembly Torque	20 N·m - 35 N·m (depends on shaft size)
Weight	0.8 kg - 3.2 kg (varies by size)
Storage Conditions	Dry environment, temperature 0°C - 30°C, humidity ≤ 60%
Cleaning Method	Use mild detergent and soft brush, rinse with clean water
Installation Tolerance for Shaft Runout	≤ 0.05 mm
Surface Finish of Shaft	Ra ≤ 0.8 μm
Chemical Resistance	Resistant to weak acids and alkalis (pH 4 - 10)
Service Life	8000 - 12000 hours under normal operating conditions
Pressure Holding Time	Maintains rated pressure for ≥ 1 hour without leakage
Thermal Conductivity of Seal Face	Tungsten Carbide: 80 W/(m·K)
Compression Set of Secondary Seal	≤ 20% after 72 hours at 150°C
Dynamic Friction Coefficient	0.1 - 0.3
Static Friction Coefficient	0.2 - 0.4
Maximum Pressure Differential	2.0 MPa
Lubrication Requirement	Self-lubricating under normal fluid conditions
Corrosion Resistance	Excellent resistance to general atmospheric corrosion
Impact Resistance	Withstands 5 G acceleration shock without damage
UV Resistance	Suitable for indoor applications, limited UV exposure
Pressure Cycling Capacity	≥ 1000 cycles between minimum and maximum pressure
Seal Face Roughness	Rz ≤ 3.2 μm
Radial Load Capacity	≤ 50 N
Axial Load Capacity	≤ 80 N
Fluid Viscosity Range	1 cP - 100 cP
Pressure Drop Across Seal	≤ 0.3 MPa at rated flow and speed
Resistance to Abrasive Particles	Can tolerate particles ≤ 20 μm in size
Compatibility with Food-Grade Fluids	Meets FDA requirements for food contact applications
Resistance to Oxidizing Agents	Moderate resistance to hydrogen peroxide up to 10% concentration
Resistance to Reducing Agents	Good resistance to sulfur dioxide up to 5% concentration
Resistance to Organic Solvents	Limited resistance; not suitable for aromatic hydrocarbons
Creep Resistance	Negligible creep under normal operating pressures
Resistance to Biological Fouling	Treated surface reduces biological adhesion
Resistance to Scale Formation	Surface finish inhibits scale buildup
Resistance to Erosion	High erosion resistance due to tungsten carbide face
Resistance to Fretting	Designed to minimize fretting wear
Resistance to Galling	Tungsten carbide face reduces galling risk
Resistance to Cavitation	Can withstand short - term cavitation events
Resistance to Abrasion	Tungsten carbide face provides high abrasion resistance
Resistance to Chemical Attack	Stable in most aqueous solutions
Resistance to Mechanical Wear	Long - lasting performance under normal loads
Resistance to Thermal Cycling	Withstands temperature changes between -40°C and 150°C
Resistance to Pressure Fluctuations	Maintains seal integrity during pressure surges