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WOB-L Piston

Vacuum

688 Series

WOB-L Piston

Features & Benefits

  •  Oil-less, non-lube piston and cylinder  
  •  Permanently lubricated bearings  
  •  Stainless steel valves  
  •  Lightweight die cast aluminum components  
  •  Long-life, high performance piston seal  
  •  Thin wall, hard coated aluminum cylinder for maximum heat transfer

Range Technical Overview

  • Capacity up to 1.60 cfm / 45.33 l/min 
  • Vacuum to 27.6 in.Hg / -935 mbar 

Possible Applications

  • Oxygen Concentrators
  • Copiers
  • Blood & Laboratory Analyzers
  • Dental & Optical Equipment
  • Ozone Generators
  • Vacuum Frames
  • Waveguide Pressurization
  • Packaging Equipment
  • Aspirators
  • Respirators
  • Medical Trauma Carts
  • Laboratory Air Dryers
  • Powder Spraying
  • Duplicators
  • Printing Equipment
  • Mail Sorters/Stuffers
  • Cable & Radar Pressurization
  • Animal Feeders
  • Sprayer Systems
  • Pump Priming
  • Purging Systems
  • Vacuum Clamps
  • Chair Lifts
MODEL No FREE FLOW MAX VACUUM VOLTAGE MOTOR RATING MOTOR TYPE
cfm l/min in.Hg mbar V Hz W

688CGHI22 - 220-240V

0.7

19.3

26.0

-880

220-240

50/1

140.0

Permanent Split Capacitor

688CGHI32 - 220-240V

1.0

28.3

27.0

-914

220-240

50/1

200.0

Permanent Split Capacitor

688CGHI40 - 220-240V

1.2

33.7

27.5

-931

220-240

50/1

240.0

Permanent Split Capacitor

688CGHI44 - 220-240V

1.3

36.0

27.5

-931

220-240

50/1

270.0

Permanent Split Capacitor

688CS44 - 100V 50Hz

1.3

36.8

27.5

-931

100

50/1

300.0

Permanent Split Capacitor

688CE22

0.8

23.8

26.0

-880

115

60/1

240.0

Permanent Split Capacitor

688CE32

1.2

34.6

26.9

-911

115

60/1

245.0

Permanent Split Capacitor

688CE40

1.5

43.1

27.3

-924

115

60/1

285.0

Permanent Split Capacitor

688CE44

1.6

45.3

27.6

-935

115

60/1

325.0

Permanent Split Capacitor

688CGHI22 - 230V

0.8

22.7

26.0

-880

230

60/1

160.0

Permanent Split Capacitor

688CGHI32 - 230V

1.2

34.9

27.0

-914

230

60/1

200.0

Permanent Split Capacitor

688CGHI40 - 230V

1.4

39.7

27.5

-931

230

60/1

240.0

Permanent Split Capacitor

688CGHI44 - 230V

1.5

42.5

27.5

-931

230

60/1

270.0

Permanent Split Capacitor

688CS44 - 100V 60Hz

1.6

43.9

27.5

-931

100

60/1

255.0

Permanent Split Capacitor

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