Whisper (WS)

Whisper (WS)
Gear pumps built in three pieces with an extruded body in high resistance aluminium alloy. WHISPER is a new and original technology protected by international patents and applied to a family of external gear pumps that feature low noise emission and reduced pulsations by 75%.
Options
  • Wide choice of shafts, flanges and ports, in compliance with all international standards (SAE, DIN and EUROPEAN).
  • Displacements from 1,12 cm3/rev to 96,85 cm3/rev .
  • Available in groups 10, 20 and 30.
  • Max. peak pressure up to 300 bar .
  • Max. speed up to 4000 min-1.
Features
  • High efficiencies .
  • Low noise emission .
  • Integrated outboard bearings for heavy duty applications.
  • Multiple units .
  • Custom design .
WHISPER 10
WHISPER 10               Displacement                      Max Continuous Pressure  Max Speed                      
(cm3/rev) (Bar) (RPM)
WS. 10•1 1,12 260 4000
WS. 10•1,5 1,68 260 4000
WS. 10•2 2,24 260 4000
WS. 10•2,5 2,80 260 4000
WS. 10•3,15 3,48 260 4000
WS. 10•4 4,45 250 4000
WS. 10•5 5,60 250 4000
WS. 10•5,8 6,51 230 3500
WS. 10•6,3 7,00 230 3500
WS. 10•8 8,92 180 3500
WS. 10•10 11,20 140 3500
NOTE: WS. : WSP = pump / WSM = motor
WHISPER 20
WHISPER 20              Displacement                     Max Continuous Pressure Max Speed                     
(cm3/rev) (Bar) (RPM)
WS. 20•4 5,25 250 4000
WS. 20•6,3 7,00 250 4000
WS. 20•7,2 7,72 250 4000
WS. 20•8 8,74 250 3500
WS. 20•9 9,65 250 3500
WS. 20•10,5 11,54 250 3500
WS. 20•11,2 11,89 250 3500
WS. 20•14 15,39 250 3500
WS. 20•14 17,84 250 3000
WS. 20•19 20,22 200 3000
WS. 20•20 22,38 200 3000
WS. 20•24,5 26,30 170 2500
WS. 20•25 27,98 170 2500
WS. 20•27,8 29,87 130 2000
WS. 20•31,5 34,98 130 2000
NOTE: WS. : WSP = pump / WSM = motor
WHISPER 30
WHISPER 30                  Displacement                          Max Continuous Pressure     Max Speed                         
(cm3/rev)    (Bar) (RPM)
WS. 30•22 23,38 250 3000
WS. 30•27 28,39 250 3000
WS. 30•34 36,74 240 3000
WS. 30•38 41,75 240 3000
WS. 30•43 46,76 230 3000
WS. 30•51 55,10 210 2500
WS. 30•61 65,12 190 2500
WS. 30•73 78,48 170 2500
WS. 30•82 86,83 160 2200
WS. 30•90 96,85 150 2200
NOTE: WS. : WSP = pump / WSM = motor