o ring pusher mechanical seal 58u description. John crane o ring pusher mechanical seal 58u catalogue pdf. what is classification of mechanical seals ?  what is difference between balanced and unbalanced mechanical seal ? How to contact us ?

mechanical seal 58u

john crane 58u is o ring pusher mechanical seal.

o ring pusher mechanical seal 58u description

Elastomer O ring

DIN seals are used for general low to medium pressure tariffs in processing, refining and petroleum industries. Alternative seat design and material selection are suitable for applications in products and operating conditions. Typical applications include oil, solvents, water and refrigerants, in addition to a large number of chemical solutions.

Structure:

  • Unblanced/Single seal/To EN12756/Independent of rotary direction

Operation limits:

  • Specification: 14~100mm
  • Pressure:  ≤1.7 mpa
  • Temp: -20C°~200C°
  • Speed: ≤25m/s
  • Axial movement: +-0.55mm

Material:

  • Sealing material: graphite, silicon carbide, tungsten carbide
  • Secondary sealing material: Viton, NBR, EPDM, PTFE
  • Metal part: ss304, ss316

John crane o ring pusher mechanical seal 58u catalogue pdf

john crane mechanical seal 58U

what is classification of mechanical seals ?

We have elastomer bellow mechanical seal, metal bellow mechanical seal, o ring pusher mechanical seal, standard cartridge mechanical seal,agitator mechanical seal, reactor mechanical seal. That is all classification we can supply.

what is difference between balanced and unbalanced mechanical seal ?

NO. Description Unbalanced seal Balanced seal
1 generate heat generate more heat  across the seal face.
2
3 Life time Less life time More life time
4 Stuffing box pressure Installed in the pump having low stuffing box pressure. Installed in all range of pressure.
5 Vibration Very stable for vibration Less stable for vibration
6 Liquid handling This type of seal is used for very good lubricity of liquids. This type of seal is used for liquids with poor lubricity and high vapor pressure, such as light hydrocarbons.

 

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