Durable M74D Mechanical Seal for Enhanced Equipment Efficiency

• Customization: Available
• Structure: Single End
• Pressure: High Pressure Mechanical Seals
• Model NO.: QT-M74D
• Speed: General Speed Mechanical Seal
• Temperature: Low-Temperature Mechanical Seal
• Performance: Temperature
• Standard: Standard
• Type: Qt-M74
• Balance: Balanced
• Brand: Queeny
• Price: Lower Than Original
• Delivery Time: Stock
• Quality: 12 Month Guarantee
• Transport Package: Beautiful Package
• Specification: Customized
• Trademark: Queeny
• Origin: Shanghai, China
• HS Code: 8484200090
• Production Capacity: 300000PCS
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Parameter	Value/Description	Unit/Note
Model	QT-M74D	Single-spring, unbalanced mechanical seal (upgraded durability version)
Seal Type	Spring-Loaded Pusher Seal with Double-Lip Design	Reduces particle ingress and improves leakage control
Face Materials	- Rotating: Silicon Carbide (SiC) - Stationary: Silicon Carbide (SiC)	SiC/SiC combination for high abrasion resistance (hardness ≥1300 HV)
Housing Material	Stainless Steel 316L	Corrosion-resistant for mild chemicals and water-based fluids
Pressure Range	0 - 1.2	MPa	Suitable for slightly abrasive media (e.g., emulsions with fine particles)
Shaft Diameter Range	25 mm - 60 mm	Fits medium-sized shafts in industrial pumps and mixers
Maximum Rotational Speed	3500	RPM	Balanced design reduces vibration at higher speeds
Temperature Range	-15°C ~ 150°C	Elastomer: FKM (fluorinated rubber) for chemical resistance
Leakage Rate	≤3.0	ml/h	Meets ISO 21049 standards for non-critical applications
Media Compatibility	Water, Oil, Mild Abrasive Slurries (e.g., wastewater with ≤5% solids)	Avoid strong acids/alkalis (pH <4 or >10)
Installation Type	Cartridge-Mounted (Pre-assembled)	Quick replacement with alignment key for reduced downtime
Elastomer Material	FKM	Resistant to degradation from oils and solvents
Standards Compliance	ISO 21049, CE (Machinery Directive)	Certified for general industrial use
Key Features	- Double-Lip Secondary Seal - Anti-Rotation Pin - Self-Cleaning Grooves	Extends service life in dirty environments

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.

  

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.