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

TP 3.0" Stroke, Tandem Single Acting Cylinder Specification
Bore Diameter (in.)
2 1/2HE
2 3/4 HE
3 HE
3 1/2 HE
  
4 CE
5 CE
5 3/4 CE
6 CE
Cylinder Material
D.I.
D.I.
D.I.
D.I.
  
D.I.
D.I.
D.I.
D.I.
MAWP (psig)
1500
1500
1500
1500
  
1500
750
650
650
PD @ 1200 RPM (cfm)
 10.21 12.36 14.71 20.03    24.10 38.82
52.02
56.82
PD @ 1800 RPM (cfm)
15.33
18.55
22.08
30.06
  
36.16
58.24
78.04
85.24
Minimum CLR % HE
27.3
23.0
18.5
15.8
  
n/a
n/a
n/a
n/a
Minimum CLR % CE
n/a
n/a
n/a
n/a
  
21.0
21.5
15.3
15.1
Maximum CLR % HECP
100
100
100
100
  
n/a
n/a
n/a
n/a
Maximum CLR % CECP
n/a
n/a
n/a
n/a
  
100
81.6
81.5
72.1
Valve Diameter (in)
2
2
2
2
  
2 1/2
2 1/2
2 1/2
2 1/2
No. of Valves per End
2
2
2
2
  
2
2
2
2
Valve Lift (in)
0.050
0.050
0.050
0.050
  
0.050
0.050
0.050
0.050
Lift Area (sq. in)
0.757
0.757
0.757
0.757
   
0.933
2.005
2.005
2.005
Valve Velocity @ 1800 RPM
5836
7061
8403
11438
  
11162
8367
11209
12245
Flange Size (in-class)
2
2
2
2
  
2
2 1/2
2 1/2
2 1/2
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.
API 618

Packages can be designed to API 618 third edition requirements including all piping, instrumentation and electrical systems. With some published exceptions, Knox Western compressors also meet the API 618 discipline.
                 
The Knox Group
1111 Bacon Street
Erie, PA 16511
814-459-2754