Pump Seal, Mechanical Seal-H74D, Seals

• Customization: Available
• Structure: Single End
• Pressure: Medium Pressure Mechanical Seals
• Model NO.: Queeny-H74D
• Speed: General Speed Mechanical Seal
• Temperature: Poor Temperature Mechanical Seal
• Performance: Wear
• Standard: Standard
• Type: Seal-H74D
• Balance: Unbalanced
• Brand: Queeny
• Price: Lower Than Original
• Delivery Time: Stock
• Quality: 12 Month Guarantee
• Transport Package: Customized
• Specification: Standard
• Trademark: Queeny
• Origin: China
• HS Code: 848420
• Production Capacity: 2000
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Parameter	Details
Model	Queeny-H74D
Type	Single-end face mechanical seal
Dimensions	Outer Diameter: 80 mmInner Diameter: 60 mmWidth: 15 mm
Pressure Rating	Maximum Working Pressure: 2.5 MPaMinimum Working Pressure: 0.05 MPa
Temperature Range	Minimum Temperature: -20°CMaximum Temperature: 180°C
Speed Limit	Maximum Rotational Speed: 3000 RPM
Shaft Size Compatibility	Suitable for shafts with diameters from 30 mm to 50 mm
Seal Face Material	Tungsten Carbide on the rotating sideCeramic on the stationary side
Secondary Seal Material	HNBR (Hydrogenated Nitrile Butadiene Rubber)
Spring Material	316 Stainless Steel
Housing Material	Cast Iron
Leakage Rate	≤0.5 ml/h under normal operating conditions
Medium Compatibility	Compatible with water-based fluids, oils, and many chemical solvents (excluding strong oxidizing agents)
Installation Method	Axial installation, requires alignment accuracy within 0.02 mm
Maintenance Interval	Recommended inspection every 6 months under normal operating conditionsFull replacement after 2 years or 8000 operating hours, whichever comes first
Lubrication Requirement	Self-lubricating due to seal face materials, but additional lubrication may be needed for high-viscosity media
Vibration Resistance	Can withstand vibrations up to 5 mm/s RMS at operating speed
Corrosion Resistance	Excellent resistance to general corrosion, suitable for mildly corrosive environments
Compression Ratio of Secondary Seal	15% - 20% for optimal sealing performance
Assembly Torque	10 - 15 N·m for securing the seal housing
Storage Conditions	Store in a dry, cool place away from direct sunlight, temperature range 0°C - 30°C, relative humidity ≤60%
Weight	Net weight: 0.8 kg
Cleaning Requirements	Use non-abrasive cleaners and soft brushes for cleaning, avoid using harsh chemicals that may damage seal materials
Certifications	Conforms to ISO 21049 and API 682 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.