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KNOX WESTERN DIVISION
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Welcome
to the Knox Group |
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ASME Code Vessels
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TP 4.5" Stroke, Double Acting Cylinder Specification
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Bore Diameter (in.)
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2 1/2
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3
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3 1/2
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4
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5
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5 3/4
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6
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7
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8
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9 | 10 | 11 | 12 |
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Cylinder Material
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Steel
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D.I.
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D.I.
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D.I.
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D.I.
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D.I.
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D.I.
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D.I.
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D.I.
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C.I. | C.I. | C.I. | C.I. |
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MAWP (psig)
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5000
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1500
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1500
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1500
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750
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650
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650
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500
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500
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300 | 250 | 225 | 200 |
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PD @ 1200 RPM (cfm)
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18.38 | 27.38 | 38.02 | 50.29 | 79.74 | 106.13 | 115.74 |
158.27
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207.36
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262.99 | 325.17 | 393.89 | 469.16 |
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PD @ 1800 RPM (cfm)
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27.57
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41.06
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57.04
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75.44
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119.62
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159.20
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173.60
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237.41
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311.05
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394.50 | 487.76 | 590.85 | 703.75 |
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Minimum CLR % HE
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--
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15.9
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17.541
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13.0
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13.7
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10.6
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10.1
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13.8
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11.5
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-- | -- | -- | -- |
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Minimum CLR % CE
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--
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14.9
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18.1
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13.8
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14.3
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10.7
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10.3
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14.1
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11.6
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-- | -- | -- | -- |
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Maximum CLR % HECP
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--
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49.2
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57.77
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51.5
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55.8
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56.2
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52.2
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52.5
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52.5
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-- | -- | -- | -- |
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Maximum CLR % CECP
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--
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n/a
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n/a
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90.5
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70.5
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56.2
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49.2
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39.5
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30.57
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-- | -- | -- | -- |
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Valve Diameter (in)
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--
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2
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2 1/2
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2 1/2
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3 1/2
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3 1/2
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3 1/2
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3 1/2
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3 1/2
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-- | -- | -- | -- |
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No. of Valves per End
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--
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2
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2
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2
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2
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2
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2
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4
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4
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-- | -- | -- | -- |
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Valve Lift (in)
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--
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0.060
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0.060
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0.060
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0.060
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0.060
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0.060
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0.060
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0.060
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-- | -- | -- | -- |
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Lift Area (sq. in)
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--
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0.986
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1.120
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1.120
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2.406
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2.406
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2.406
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4.812
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4.812
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-- | -- | -- | -- |
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Valve Velocity @ 1800 RPM
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--
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6515
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7334
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9700
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7159
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9528
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10391
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7105
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9318
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-- | -- | -- | -- |
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Flange Size (in-class)
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--
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2
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2
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2
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2 1/2
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2 1/2
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2 1/2
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3-600
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3-600
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-- | -- | -- | -- |
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Piston rod Diameter (in)
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--
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1.125
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1.125
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1.125
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1.125
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1.125
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1.125
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1.125
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1.125
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-- | -- | -- | -- |
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
1111 Bacon Street
Erie, PA 16511
814-459-2754