ผลิตภัณฑ์

DS-74D

Subitable for a wide range of services conditions.


Application

  • Chemical industry
  • Process industry
  • Pulp and paper industry
  • Low solids content and low abrasive media
  • Toxic and hazardous media
  • Media with poor lubrication properties
  • Achesives

 View Sheet

Operating Conditions


  • Shaft diameter : d1=18...200 mm (0.71” ...7.87”)
  • Pressure : p1=25 bar (363 PSI)
  • Temperature : t = -50 OC ...220 OC (-58 OF ...428 OF)
  • Sliding velocity : vg = 20 m/s (66 ft/s)
  • Axial movement :

        d1 up to 100 mm : +0.5 mm

        d1 from 100 mm : +2.0 mm

*(Depend on combination of materials)

Design Features/Benefits


  • For plain shafts
  • Dual seal
  • Unbalanced
  • Rotating multiple springs
  • Independent of direction of rotation
  • Seal concept based on the DS-7N range
  • Variant with pumping screw avaliable

 

Standard Materials


  • Rotary Seal face : Special cast CrMo steel (S), Silicon carbide (Q1, Q2)
  • Seat G9 :  Silicon carbide (Q1*, Q2*)
  • Seat G4 : Silicon carbide (Q1*, Q2*)
  • Seat G6 : Silicon carbide (Q1*, Q2*)
  • Seat G92 : Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)

* Cannot be combined with seal face made of S

(Other configuration of materials also available on request)

Remarks - Q1 : Seal Face Solid Type

             - Q2 : Seal Face Shrink-Fit Type

 

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