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 .
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.
Basic Features
Structure: Single-ended
Pressure: Medium pressure mechanical seal
Speed: high-speed mechanical seal
Temperature: temperature mechanical seal
Performance: Wear
Standards: DIN24960, ISO3069 and GB6556
Model: M7N, M74, M74D (2 M74 seals)
Balance: unbalanced
Specifications: Inner diameter: 20 mm to 300 mm
Product details
M7N, AKA M74 mechanical seal, used for chemical centrifugal pumps, Kaiquan water pumps and double suction pumps
Structural features: single-ended, wave spring (M7N), multiple springs (M74), unbalanced, independent rotation direction, lug drive. M7N has a simple transmission method and good compatibility. The wave spring structure allows the transfer of particles, crystals and high viscosity content. The transmission mode of M74 is also very simple, and the compensation components are pre-assembled; it is easy to install and has good compensation. The load on the sealing surface is balanced, and the sealing performance is stable and reliable.
Scope of application: Widely used in chemical processing, oil refining, petrochemicals, sewage treatment, pharmaceuticals and food production. Designed for chemical pumps, water pumps, screw pumps, sewage pumps, double suction pumps, papermaking equipment and other rotating equipment.
Operating parameters:
Pressure: below 1.6 MPa
Temperature: -420~200ºC
Linear speed: 20 m/s or less
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