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• Customization: Available
• Structure: Single End
• Pressure: High Pressure Mechanical Seals
• Model NO.: QT-H7N
• Speed: General Speed Mechanical Seal
• Temperature: Temperature Mechanical Seal
• Performance: Wear
• Standard: Standard
• Type: Qt-H7n
• Balance: Balanced
• Brand: Queeny Tech
• Delivery Time: Stock
• Price: Lower Than Original
• Quality: 12 Month Guarantee
• Transport Package: Customized
• Specification: Standard
• Trademark: Queeny
• Origin: China
• HS Code: 8484200090
• Production Capacity: 5000
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Parameter Category	Specific Parameter	Detailed Description
Basic Information
Seal Type	QT-H7N Mechanical Seal	A high - performance mechanical seal engineered for complex industrial pump applications, ensuring reliable fluid containment and extended operational life.
Model	QT-H7N	Specifically designed to address the sealing requirements of various industrial processes with diverse operating conditions.
Materials
- Rotating Ring	Tungsten Carbide	Tungsten carbide offers extreme hardness and wear resistance, enabling the rotating ring to endure high - speed rotations and heavy - duty applications, reducing the risk of premature wear and failure.
- Stationary Ring	Zirconia Ceramic	Zirconia ceramic provides excellent chemical resistance and a smooth surface finish, which is crucial for creating an effective seal and minimizing friction between mating surfaces.
- O - Ring	Perfluoroelastomer (FFKM)	The FFKM O - ring ensures a tight and durable seal. It is resistant to a wide variety of aggressive chemicals, high temperatures, and can maintain its elasticity over a long period, ensuring consistent sealing performance.
Size Specifications
Shaft Diameter Range	30 - 60 mm	This seal is compatible with pump shafts having diameters within this range, making it suitable for a broad spectrum of pump models commonly used in industries such as chemical processing, oil and gas, and water treatment.
Seal Chamber Inner Diameter	40 - 70 mm	Designed to fit snugly into seal chambers with inner diameters in this range, ensuring proper installation and optimal sealing effectiveness.
Seal Width	10 mm	The 10 - mm width of the seal is carefully calibrated to strike a balance between providing a robust seal and minimizing energy losses due to friction, enhancing the overall efficiency of the pumping system.
Performance Parameters
Working Pressure	Maximum 2.0 MPa	Under normal operating conditions, the QT - H7N seal can withstand a maximum working pressure of 2.0 MPa, preventing fluid leakage and maintaining the integrity of the pumped system.
Working Temperature	-30ºC - 180ºC	Capable of operating efficiently within this wide temperature range, it can handle both extremely cold and high - temperature applications, making it highly versatile for different industrial environments.
Linear Velocity	Maximum 15 m/s	The seal is engineered to perform reliably at a maximum linear velocity of 15 m/s, ensuring stable operation even in high - speed pumping applications.
Applicable Media
- Water - based Fluids	Suitable for purified water, wastewater, and various aqueous solutions with a pH range of 1 - 13. It can effectively seal both highly acidic and alkaline water - based media.
- Oil - based Fluids	Compatible with heavy lubricating oils, hydraulic oils, and a range of hydrocarbon - based oils, providing reliable sealing for oil - handling systems.
- Chemical Solutions	Resistant to strong acids (such as sulfuric acid), alkalis (such as sodium hydroxide), and many organic solvents, making it ideal for use in chemical manufacturing processes.
Installation and Maintenance
Installation Method	Axial Installation	Installed axially onto the pump shaft following a strict set of procedures to ensure correct alignment and a secure seal. Special tools may be required for proper installation.
Installation Torque	15 - 22 N·m	During installation, applying a torque within this range secures the seal in place without over - tightening, which could damage the seal components.
Maintenance Cycle	Every 5000 operating hours	Regular maintenance is recommended every 5000 operating hours. This includes a thorough inspection of the seal for signs of wear, leakage, and any damage to the mating surfaces. Lubrication of relevant parts may also be necessary.
Storage Conditions	Store in a dry, dark environment at a temperature between 10ºC - 20ºC. Keep away from direct sunlight, moisture, and corrosive gases.	Proper storage preserves the integrity of the seal materials, ensuring that the seal is in optimal condition when ready for installation.
Quality and Certification
Service Life	Approximately 2.5 - 3.5 years under normal operating conditions	With proper operation and regular maintenance, the QT - H7N mechanical seal can provide reliable service for 2.5 to 3.5 years, reducing maintenance costs and downtime.
Leakage Rate	≤0.05 mL/h	Engineered to have an extremely low leakage rate, it ensures minimal fluid loss, which is critical for maintaining process efficiency and environmental protection.
Certification Standards	ISO 9001, ISO 14001, API 682 (Type B)	The QT - H7N seal meets the stringent requirements of ISO 9001 quality management, ISO 14001 environmental management, and API 682 (Type B) standards, confirming its high - quality performance and compliance with industry best practices.
Other Characteristics
Vibration Resistance	Can withstand vibrations with a frequency range of 5 - 60 Hz and an amplitude of 0.6 mm.	Designed to maintain its sealing performance in environments with significant vibrations, ensuring stable operation of the pumping equipment.
Self - lubricating Property	The seal surfaces are integrated with a self - lubricating layer that reduces friction between the mating parts.	This self - lubricating feature extends the service life of the seal, improves operational efficiency, and reduces the need for additional lubrication.

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.