| General Information |
|
| Seal Type |
QT-MG9 |
| Application |
Ideal for use in various industrial pumps, agitators, and rotating equipment in industries such as chemical, pharmaceutical, food processing, and water treatment. |
| Physical Properties |
|
| Density |
2.1 g/cm³ |
| Hardness |
75 Shore D |
| Mechanical Performance |
|
| Pressure Rating |
Maximum operating pressure: 12 bar (174 psi) |
| Speed Limit |
Up to 30 m/s |
| Temperature Range |
-30°C to 180°C (-22°F to 356°F) |
| Geometric Dimensions |
|
| Inner Diameter (ID) |
Available sizes: 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm, 65 mm, 70 mm, 75 mm, 80 mm, 85 mm, 90 mm, 95 mm, 100 mm, 110 mm, 120 mm, 130 mm, 140 mm, 150 mm, 160 mm, 170 mm, 180 mm, 190 mm, 200 mm |
| Outer Diameter (OD) |
Varies according to ID, with a typical radial width of 6 - 12 mm |
| Thickness |
4 - 10 mm |
| Sealing Face |
|
| Surface Finish |
Ra 0.15 - 0.3 µm |
| Flatness |
0.0001 - 0.0004 mm |
| Materials of Construction |
|
| Seal Face |
Rotating seal face: Carbon-graphite
Stationary seal face: Tungsten carbide |
| Secondary Sealing Element |
High-quality elastomer with excellent chemical resistance |
| Metal Parts |
Stainless steel (AISI 316L) for enhanced corrosion resistance |
| Chemical Compatibility |
|
| Compatible Fluids |
Water (including deionized water), mild acids (such as acetic acid in low concentrations), alkalis (such as sodium hydroxide solutions), alcohols (ethanol, methanol), some esters, and ketones. Also suitable for various aqueous solutions and non-corrosive organic liquids. |
| Incompatible Fluids |
Strong oxidizing agents (such as concentrated nitric acid), extremely corrosive substances other than those mentioned as compatible, and substances with high abrasiveness that could damage the sealing faces. |
| Installation and Maintenance |
|
| Installation Torque |
For securing bolts (if applicable): 12 - 25 Nm |
| Lubrication |
Use a compatible, clean lubricant during installation to ensure smooth movement and proper seating of the seal components. Recommended lubricants include food-grade oils for food processing applications and specialized industrial lubricants for other industries. |
| Maintenance Interval |
Recommended maintenance every 8 - 16 months, depending on the severity of operating conditions. Regular inspections for signs of wear, leakage, or damage should be carried out. |
| Testing and Quality Assurance |
|
| Pressure Test |
Tested at 1.8 times the rated pressure for 45 minutes to ensure integrity and reliability. |
| Leakage Test |
Maximum allowable leakage rate: 0.08 ml/h under normal operating conditions |
| Dimensional Inspection |
All dimensions are verified to be within a tolerance of ±0.03 mm |
| Performance Characteristics |
|
| Friction Coefficient |
0.08 - 0.18 |
| Wear Rate |
Less than 0.0008 mm/year under standard operating conditions |
| Certifications |
|
| ISO 9001:2015 certified manufacturing process |
|
| Meets FDA standards for use in food processing applications |
|
| |
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