21307-050
ADJUST-A-STROKE
Pump V
ariation Chart
Cylinder Material
Piston Type
Packing Material
Reference to
Air Motor
Displacement
Connecting
Tie Rods
Tube
Elbow
Std. Pump No.
Pump
Rod
Dimension
Displacement
Pump
20:1 King
CST L
& U
DB 207–567 23.50”
(596.9 mm)
952–356 207–655 168–212 620–059 None None
SST R DB 951–803 22.125”
(561.9 mm)
952–356 902–169 620–065 620–064 None None
CST
T & U
PP 222–248 32.50”
(825.5 mm)
952–356 204–641 168–212 620–013 None None
SD T PP 220–648 32.50”
(825.5 mm)
952–356 207–242 620–065 620–063 None None
SD
T & U
PP 222–539 32.50”
(825.5 mm)
207–647 222–638 620–005 620–063 None None
45:1 King
CST L
& U
DB 218–335 21.0”
(533.4 mm)
952–356 217–527 168–212 620–060 None None
CST
L & U
DB 221–063 32.375”
(822.3 mm)
952–356 217–527 168–212 620–061 170–094 None
45:1 King
CST L
& U
DB 218–335 21.0”
(533.4 mm)
952–356 217–527 168–212 620–060 None None
CST
L & U
DB 221–063 32.375”
(822.3 mm)
952–356 217–527 168–212 620–061 170–094 None
55:1 King
CST U PP 217–566 32.75” (831.8
mm)
952–356 217–201 168–212 620–013 None None
SD
T & U
PP 222–545 32.75”
(831.8 mm)
207–647 222–639 168–212 620–013 None None
KEY:
Packing Material
Piston T
ype
Cylinder Material
L Leather T PTFE DB
Double Ball C
ST N
itrated Carbon Steel
N Neoprene U UHMWPE DP
Double Poppet
SST
Stainless Steel
R Rubber PP
Priming Piston
SD
Severe Duty
ADJUST-A-STROKE
Pump Specifications
Pump
Air
Motor Diameter
Inch (mm)
Piston
Stroke Range
Inch (mm)
Pressure Pis-
ton
Ratio Type
Approximate
Per Cycle Range
Fluid Oz
(liter)
37.5 to 100% 37.5 to 100%
Senator
15:1 SD PP 2.4
– 6.4
(0.07 – 0.19)
5.5 (139.7)
1.6 – 4.25
(40.6 – 107.9)
25:1 SD PP
2.4 – 6.4
(0.07 – 0.19)
Bulldog
5:1 DB**
12.0 – 32.0
(0.36 – 0.95)
5:1 DP**
12.0 – 32.0
(0.36 – 0.95)
10:1 SD DB**
6.8 – 18.0
(0.20 – 0.53)
7 (177.8)
1.6 – 4.25
(40.6 – 107–9)
10:1 SD PP**
6.8 – 18.0
(0.20 – 0.53)
20:1 SD DB
3.0 – 8.0
(0.09 – 0.24)
25:1 SD PP
3.0 – 8.0
(0.09 – 0.24)
30:1 SD DB
2.4 – 6.4
(0.07 – 0.19)
40:1 SD PP
1.7 – 4.6
(0.05 – 0.14)
King
20:1 SD DB**
6.8 – 18.0
(0.20 – 0.53)
10 (254)
1.6 – 4.25
(40.6 – 107.9)
20:1 SD PP
6.8 – 18.0
(0.20 – 0.53)
45:1 SD DB
3.2 – 8.5
(0.10 – 0.25)
55:1 SD PP
2.4 – 6.4
(0.07 – 0.19)
KEY:
DB
Double Ball
DP
Double Poppet
PP
Priming Piston
SD
Severe Duty (standard)
** A
vailable in Stainless Steel
NOTE:
Only immersed, inductor or ram-mounted
pumps are to be used for metering.