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ROC-R©
Rocking Piston Compressors & Pumps

The outstanding performance and flexibility of Gast oilless Rocking Piston air compressors and vacuum pumps, available in standard, twin and miniature styles, make them the ideal choice for countless applications.

· Bonded piston rod and bearing assembly will not slip, loosen or misalign, providing years of trouble-free performance
· Exclusive long-life cup material ensures extensive service-free operation
· All wetted aluminum parts are treated for corrosion protection, offering greater durability in demanding applications
· Rigid motor shell and superior motor-to-pump alignment gives tighter tolerances and allows more consistent performance and noise levels

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Model NO. Free Air
Flow Range
Max
Pressure
Range
Max
Vacuum
Range
AC
DC
PSI Bar In - Hg m bar

 

8R 3.2-3.4 cfm 3,2-3,4 21-22.5 1,4-1,55 16-17 471-438 x x
20R 14.7 lpm   31   21   x  
55R .16-.25 cfm 0,27-0,42 m3/h 30 2,1 24 200 x x
LOA .38-.62 cfm

0,88-1,09
m3/h

100 7.0 26-27 99-133 x x
LAA 1.28-1.52 cfm 2,7-2,58
m3/h
50 3.5 29 31 x  
SOA 1.4-1.7 cfm
2,38-2,89
m3/h
30 2,1 27.5 82 x x
SAA 1.75-3.3 cfm 3,31-5,60
m3/h
30 2,1 27-29.5 15-99 x  
RAA 2.5-2.7 cfm 4,25-4,59 m3/h 100 7,0 27.5 82 X  
ROA 1.05-1.60 cfm 1,78-2,72
m3/h
100 7,0 26-27 133-99 X X

71R/72R

71R-72R Twin Cylinder

71R-72R
Twin High Pressure

71R-72R
Twin Vacuum Pump

1.7-5.5 cfm 2,89-9,35
m3/h
25-175 1,7-12 29 31 x x
74R 1.3-1.5 cfm 2,21-2,55
m3/h
100 7,0 _ _ x  
75R 4.5-5.1 cfm 7,65-8,67 m3/h 40 2,8 27 99 x