19 Series NCM Specifications: Single Acting, Spring Return / Spring Extend Fluid Maximum operating pressure Minimum operating pressure Ambient and fluid temperature Piston speed Bumper Lubrication Mounting Air 250 PSI / 1.7 MPa 25 PSI / 0.18 MPa 40 to 140°F / 5 to 60 °C 2 to 20 in/sec / 50 to 500 mm/s Optional (No additional charge on 7/8" and 1-1/4" bore) Not required (Pre-lubricated at factory) B, C, E, R 075 (3/4") 088 (7/8") 106 (1-1/16") 125 (1-1/4") 150 (1-1/2") Note) R mount available on 3/4", 1-1/16", and 1-1/2" bore only. Bore size (inch) Specifications Standard Stroke Mounting Front nose mount (B) Rear pivot mount (C) Double end mount (E) Block mount (R) Standard stroke 1/2, 1, 1-1/2, 2, 3, 4 6 Max. stroke Note) Up to 18" available as special request. (inch) Note1) Force on extension (OUT) is shown as the theoretical force of a double acting cylinder on extension less the compressed force of the return spring. Note 2) Force on retraction (IN) is the resting force of spring when fully retracted. Theoretical Output: Spring Return (S) with Standard Rod Bore size (inch) 075 (3/4") 088 (7/8") 106 (1-1/16") 125 (1-1/4") 150 (1-1/2") Rod diameter (inch) 0.250 0.250 0.312 0.437 0.437 Operating direction OUT IN OUT IN OUT IN OUT IN OUT IN Effective area (sq.inch) Operating pressure (PSI) 0.442 . 0.608 . 0.882 . 1.227 . 1.767 . 25 8.0 12.2 19.1 23.7 37.2 (lbf) 50 19.1 27.4 41.1 54.4 81.4 75 30.1 42.6 63.2 85.0 125.5 100 41.2 57.8 85.2 115.7 169.7 3.0 3.0 3.0 7.0 7.0 125 52.2 73.0 107.3 146.4 213.9 150 63.3 88.2 129.4 177.1 258.1 Note1) Force on retraction (IN) is shown as the theoretical force of a double acting cylinder on retraction less the compressed force of the extend spring. Note 2) Force on extension (OUT) is the resting force of spring when fully extended. Theoretical Output: Spring Extend (T) with Standard Rod Bore size (inch) 075 (3/4") 088 (7/8") 106 (1-1/16") 125 (1-1/4") 150 (1-1/2") Rod diameter (inch) 0.25 0.25 0.312 0.437 0.437 Operating direction OUT IN OUT IN OUT IN OUT IN OUT IN Effective area (sq.inch) Operating pressure (PSI) . 0.393 . 0.559 . 0.806 . 1.077 . 1.617 25 6.8 11.0 17.2 19.9 33.4 (lbf) 50 16.6 25.0 37.3 46.9 73.9 75 26.5 38.9 57.5 73.8 114.3 100 36.3 52.9 77.6 100.7 154.7 3.0 3.0 3.0 7.0 7.0 125 46.1 66.9 97.8 127.6 195.1 150 55.9 80.9 117.9 154.6 235.6