| Parameter |
Details |
| General Information |
|
| Seal Type |
QT-XA |
| Application |
Ideal for use in pumps, agitators, and various rotating machinery in industries such as chemical, pharmaceutical, and food processing. |
| Physical Properties |
|
| Density |
2.1 g/cm³ |
| Hardness |
75 Shore D |
| Mechanical Performance |
|
| Pressure Rating |
Up to 12 bar (174 psi) |
| Speed Limit |
30 m/s |
| Temperature Range |
-30°C to 180°C (-22°F to 356°F) |
| Geometric Dimensions |
|
| Inner Diameter (ID) |
Available in sizes from 15 mm to 250 mm |
| Outer Diameter (OD) |
Varies according to the inner diameter, with a typical radial width of 6 - 12 mm |
| Thickness |
4 - 10 mm |
| Sealing Face |
|
| Surface Finish |
Ra 0.1 - 0.3 µm |
| Flatness |
0.0002 - 0.0006 mm |
| Materials of Construction |
|
| Seal Face |
Carbon graphite for the rotating seal face, silicon carbide for the stationary seal face. |
| Secondary Sealing Element |
A high-quality elastomer with excellent chemical resistance properties. |
| Metal Parts |
Stainless steel (AISI 316L) for enhanced corrosion resistance. |
| Chemical Compatibility |
|
| Compatible Fluids |
Water, aqueous solutions of salts, most organic solvents with moderate reactivity, mild alkalis (up to 10% concentration), and some weak acids (up to 5% concentration). |
| Incompatible Fluids |
Strong oxidizing agents such as concentrated nitric acid, and substances with extremely high reactivity that can attack the seal materials. |
| Installation and Maintenance |
|
| Installation Torque |
For the mounting bolts (if applicable), the recommended torque is 12 - 25 Nm. |
| Lubrication |
Use a suitable lubricant that is compatible with the seal materials during installation. A thin film of lubricant should be applied to the sealing faces and the secondary sealing element. |
| Maintenance Interval |
Under normal operating conditions, it is recommended to inspect the seal every 4 - 8 months. However, in more severe operating environments, the inspection interval may need to be reduced to every 2 - 4 months. |
| Testing and Quality Assurance |
|
| Pressure Test |
The seal is subjected to a pressure test at 1.6 times the rated pressure for 45 minutes to ensure its integrity. |
| Leakage Test |
The maximum allowable leakage rate is 0.08 ml/h under standard test conditions. |
| Dimensional Inspection |
All geometric dimensions are inspected to ensure they are within a tolerance of ±0.03 mm. |
| Performance Characteristics |
|
| Friction Coefficient |
0.08 - 0.18 under normal operating conditions. |
| Wear Rate |
Less than 0.0008 mm/year when operating within the specified parameters. |
| Certifications |
|
| ISO 9001:2015 compliant manufacturing process. |
|
| Meets the requirements of CE safety and performance standards. |
|
Queeny design engineers are able to produce a seals solution for the most basic applications,to those that are extremely complicated and unique. We are able to provide you these solutions supported by life test data and years of excellent field performance.As your partner, we provide sealing solutions for centrifugal pumps,agitators and other rotating equipment, and help you consolidate your brand and market position.
Mechanical sealing adopts the principle of mechanical friction sealing, which has excellent sealing performance, which can effectively prevent leakage and protect the safety of the environment and equipment. Compared with traditional packing seals and rotary seals, the sealing effect of mechanical seals is more reliable.
Our products are made of high quality materials and manufacturing processes, with a long service life and low cost of use. It can effectively reduce the maintenance costs and operating costs of equipment .
Our mechanical seals are designed to be easy to service and replace,simply by removing the sealing components and replacing the sealing surface and sealing ring. Compared with other sealing forms, our products are more convenient to repair and replace.
Mechanical seal is suitable for high temperature, low temperature, high pressure, vacuum and corrosive media and other complex environment, to ensure the stable operation of the equipment.
Shanghai Queeny Mechanical Equipment Co.,Ltd.is an enterprise specializing in the R&D,manufacture and export of mechanical seal products,headquartered in Pudong New Area,Shanghai.Our products mainly include component seals,dry gas seals,metal bellows seals,mixer and agitator seals,single & dual cartridge seals,silicon carbide parts and tungsetn carbide parts,which can replace John Crane, Burg-mann, AES, Chesterton,Flowserve,Rotenand other similar products,they are widely used in water treatment,petroleum,chemical,food,medical and other industries.
Relying on first-class technology and professional services,since its establishment, Queeny has carried out in-depth cooperation with hundreds of companies in more than 70 countries around the world.Our products are exported to Asia,Europe,North America,South America,Oceania and Africa in large quantities every year,and have been widely praised.Super high cost performance is the basis of our long-term cooperation with customers.We always rigorously treat clients' requirements,strictly control the production process,and comprehensively monitor the export procedure.It is our mission to reduce production and operation costs for more enterprises all over the world.
Q1: Are you a trading company or a factory?
We are a factory, so we can offer you factory prices with high quality.
Q2: Can I get samples?
Yes. You can ask for samples. Usually it's free, but you need to pay for shipping.
Q3: Can l use my own logo or design on the goods?
Yes, we provide OEM/ODMservices; your logo and design can be printed on the products.
Q4: What are your payment terms?
We accept T/T, Paypal, Western Union, and credit card payment is also welcome.
Q5: How about the delivery time?
For stock items, we can ship immediately after receiving the payment.
For other products, we need 14-25 days for mass production, which depends on the quantity and type of order.
Q6: How can we ensure the quality?
Pre-production samples are required before mass production;Final inspection is required before shipment;
Q7: 1 can't find our products in your catalog, can you customize the products for us?
Yes, customized products are available, OEM is welcome.
Q8: Can l buy pumps or pump parts from your company?
Yes, we also provide pumps and pump parts.
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