Mechanical seals

Mechanical seal Type 322 K

The DEPAC mechanical seal type 322K is a stationary, tandem-active double seal. The mechanical seal has an integrated pump mechanism for the circulation of the barrier fluid and was specially developed for the installation spaces of standard chemical pumps. The mechanical seal is additionally characterised by its universal usage possibilities.

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Advantages
  • Integrated barrier fluid pumping assistance
  • Suitable for installation spaces of standard chemical pumps
  • Cartridge-mounted
  • Double balanced
  • Tandem active
  • Independent of the direction of rotation
  • Multiple springs made of Hastelloy C
  • Springs outside the medium - no blockage of the springs
  • Vibration-dampend stationary face support
TECHNICAL DETAILS
Range of application*  
Pressure 700 mm Hg - 28 bar
Temp. Elastomer dependent
Sliding velocity up to 35 m/s
Shaft movements axial  +/- 1,0 mm
  radial +/- 0,5 mm
   
Sizes  
DShaft 24 - 160 mm
  Special sizes available on request
   
Materials  
Metals DIN 1.4571/Hast. C
Springs Hast. C
Faces CA, SC, SSIC, TC
O-Rings FKM, EPDM, PTFE, FEP Umm., Chemraz, Kalrez, Aflas, u.ä.

Other sizes, materials or design variations upon request.
* Maximum temperature / pressure / speed indicates operating extremes independently and does not imply the seal will function at these extremes at the same time. Contact DEPAC if in doubt.