| Parameter |
Details |
| General Information |
|
| Seal Model |
QT - 5615 |
| Application Scope |
Ideal for use in industrial pumps, compressors, and agitators in industries such as chemical processing, pharmaceuticals, and food & beverage. |
| Physical Properties |
|
| Density |
2.0 g/cm³ |
| Hardness |
75 Shore D |
| Color |
Dark gray |
| Mechanical Performance |
|
| Maximum Working Pressure |
12 bar (174 psi) |
| Maximum Rotational Speed |
30 m/s |
| Operating Temperature Range |
-30°C to 200°C (-22°F to 392°F) |
| Sealing Face Properties |
|
| Sealing Face Material - Rotating Part |
Carbon graphite with high purity |
| Sealing Face Material - Stationary Part |
Silicon carbide |
| Surface Roughness of Sealing Face (Ra) |
0.25 µm |
| Flatness of Sealing Face |
0.0003 mm |
| Geometric Dimensions |
|
| Inner Diameter (ID) |
Available in sizes from 25 mm to 150 mm |
| Outer Diameter (OD) |
Varies depending on the inner diameter, with a typical radial width of 6 - 12 mm |
| Thickness |
4 - 10 mm |
| Secondary Sealing Elements |
|
| Material of Secondary Sealing Element |
High-quality elastomer with excellent chemical resistance |
| Compression Set of Secondary Sealing Element |
Less than 15% after 100 hours at 150°C |
| Metal Components |
|
| Material of Metal Components |
Stainless steel grade AISI 316L |
| Tensile Strength of Metal Components |
520 MPa |
| Yield Strength of Metal Components |
205 MPa |
| Chemical Compatibility |
|
| Compatible Fluids |
Water-based solutions, mild alkalis, organic solvents like ethanol, acetone, and some vegetable oils. |
| Incompatible Fluids |
Strong oxidizing agents (e.g., concentrated nitric acid), highly corrosive substances (e.g., concentrated sulfuric acid) |
| Installation Requirements |
|
| Installation Clearance |
A minimum clearance of 0.5 mm between mating parts |
| Recommended Installation Torque for Bolts |
12 - 25 Nm (depending on bolt size) |
| Lubrication during Installation |
Use a compatible lubricant (e.g., light mineral oil) for smooth installation |
| Maintenance Guidelines |
|
| Recommended Maintenance Interval |
Every 8 - 16 months, depending on operating conditions |
| Inspection Items during Maintenance |
Check for wear on sealing faces, integrity of secondary sealing elements, and tightness of metal components |
| Testing and Quality Assurance |
|
| Pressure Testing |
Conducted at 1.6 times the rated pressure for 45 minutes |
| Leakage Testing |
Maximum allowable leakage rate is 0.08 ml/h |
| Dimensional Tolerance |
Inner diameter tolerance: ±0.08 mm; Outer diameter tolerance: ±0.1 mm; Thickness tolerance: ±0.05 mm |
| Performance Metrics |
|
| Friction Coefficient |
0.12 - 0.18 |
| Wear Rate |
Less than 0.0015 mm/year under normal operating conditions |
| Certifications |
|
| ISO 9001:2015 Certified Manufacturing Process |
|
| CE Marked for Conformity with Safety and Performance |
Queeny Mechanical Equipment Co., Ltd. is an advanced fluid seal design and manufacturer. Our factory is located in Ningbo, Zhejiang, China. and our sales organization is located in Shanghai. We not only provide customers with products, but also provide customers with overall solutions including services to cope with the complex and challenging working conditions encountered by customers.
The main products we produce are: Component Seals, Dry Gas Seals, Mixer and Agitator Seals, Cartridge Seals, Metal Bellows Seals and Silicon Carbide products. Products are widely used in chemical, textile, food, pharmaceutical, metallurgy, printing and other mechanical equipment fields, and can undertake the design of non-standard and special seals.
In order to ensure the quality of mechanical seal products, the company has introduced advanced production equipment and testing equipment, implemented IS09001 quality system management, and improved its competitiveness in the market. The products we produce are sold all over the world and have won the trust of many customers. The trust of customers is our continuous development motivation.
Recommend applications
For use in pumps, mixers, blenders, agitators,refrigeration compressors, blowers, fans and other rotary shaft equipment.
For pulp and paper, petrochemical, food processing,wastewater treatment, chemical processing, power generation and other demanding applications.
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