Knox Western Division
Knox Western Division
Knox Air Division
Knox Western Division
                                  KNOX WESTERN DIVISION
Welcome
to the
Knox Group
     
ASME Code Vessels
     
     

TP 3.5" Stroke, Double Acting Cylinder Specification
Bore Diameter (in.)
2 1/2
3
3 1/2
4
5 
5 3/4
6
7
8
9
10
11
12
Cylinder Material
Steel
D.I.
D.I.
D.I.
 D.I.
D.I.
D.I.
D.I.
D.I.
C.I.
C.I.
C.I.
C.I.
MAWP (psig)
5000
1500
1500
1500
750
650
650
500
500
300
250
225
200
PD @ 1200 RPM (cfm)
17.87
26.61
36.95
48.88
77.51
103.17
112.51
153.89
201.62
255.69
316.14
382.95
456.13
PD @ 1800 RPM (cfm)
26.8
39.92
55.44
73.33
116.28
154.76
168.78
230.82
302.4
383.54
474.21
574.43
684.20
Minimum CLR % HE
--
18.5
21.3
15.8
17.5
13.39
12.9
17.8
14.8
--
--
--
--
Minimum CLR % CE
--
19.2
23.2
17.8
18.3
13.5
13.1
18.0
14.9
--
--
--
--
Maximum CLR % HECP
--
65.0
68.0
65.5
68.0
70.4
65.5
50.8
43.6
--
--
--
--
Maximum CLR % CECP
--
n/a
n/a
97.5
79.0
64.6
55.8
50.8
43.6
--
--
--
--
Valve Diameter (in)
--
2
2 1/2
2 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
--
--
--
--
No. of Valves per End
--
2
2
2
2
2
2
4
4
--
--
--
--
Valve Lift (in)
--
0.060
0.060
0.060
0.060
0.060
0.060
0.060
0.060
--
--
--
--
Lift Area (sq. in)
--
0.908
1.120
1.120
2.406
2.406
2.406
4.812
4.812
--
--
--
--
Valve Velocity @ 1800 RPM
--
6332
7133
9434
6960
9263
10103
6908
9050
--
--
--
--
Flange Size (in-class)
--
2
2
2
2 1/2
2 1/2
2 1/2
3-600
3-600
--
--
--
--
Piston rod Diameter (in)
--
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
--
--
--
--
Abbreviations: D.I. - Ductile Iron, C.I. - Cast Iron, MAWP - Maximum allowable working pressure, PD - Piston displacement, CLR - Cylinder Clearance, HE - Head End, CE - Crank End, HECP - Head End Clearance Pocket, CECP - Crank End Clearance Pocket.

For unspecified cylinder specifications, contact Knox Western Sales Departtment.
               
The Knox Group
1111 Bacon Street
Erie, PA 16511
814-459-2754