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CGR – Load Return With Safety Nut – Low Profile

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CYLINDERS, LOAD RETURN WITH SAFETY NUT – LOW PROFILE

 

Force: 60-900 t
Stroke: 50 mm
Max Working Pressure: 700 Bar


Features

Pancake lock ring cylinders have a system that prevents any possible over-stroke. The rod on these cylinders has a coloured area that appears 10 mm before the maximum stroke has been reached. This version does not conform to ANSI B30.1.

These cylinders are particularly suitable for applications in which the load has to be left in a raised position for long periods. The threaded safety nut, which blocks mechanically the cylinder boby, allows to operate in total safety under the load. All cylinders are supplied with integrated tilt saddles and eyelets in order to ease their transport.

Datasheet Download

CGR

Description

Operational Areas

CGR cylinders are suggested in the construction and maintenance of bridges, viaducts, buildings, and industrial sites where the working space is limited. The protective nitriding treatment on these cylinders gives them excellent resistance to corrosion, making them suitable for use in adverse environments.

Accessories

  • Integrated tilt saddle, reduces the effects of possible off-centred loads.

     

CGR cylinders have been designed for use in applications where space is limited and to stand the full load even without a pressure distribution plate below. It is anyhow recommended that pressure plates are placed both under the base and on top of the saddle to distribute the load if the support resistance is not compatible with the pressure shown in the chart. Non compliance with this notice could result in damage to the cylinder and/or the load being lifted.

Although the standard tilt saddle allows to adjust the working load, it’s suggested to avoid any side components, especially if the cylinder has more than 20 mm of stroke.

During the lifting operation, the operator must always be in a position to observe when the coloured end of the section of the rod appears.

Selection Chart

PUSHING FORCE STROKE EFFECTIVE AREA OIL VOLUME CYLINDER BOTTOM PRESSURE SADDLE PRESSURE MODEL CLOSED HEIGHT WITH INTEGRATED TILT SADDLE Ø EXTERNAL Ø PISTON Ø ROD ALTEZZA GIUNTO Ø COUPLER HEIGHT ROD PROJECTION WITH INTEGRATED TILT SADDLE TILT SADDLE ANGLE WEIGHT * Nominal value, see kN for the exact force
t* kN mm cm² cm3 mPA MPa A1 (mm) D (mm) E (mm) F (mm) H (mm) J (mm) K1 (mm) a kg
60 606 50 86.6 433 39 100 CGR60N50  125 140  105  Tr 105×6  19  88  6  5°  16
110 1078 154 770 46 113 CGR110N50 137 178 140 Tr 140×10 19 118 8 5° 26
160 1589 227 1135 45 102 CGR160N50 148 218 170 Tr 170×10 19 148 9 5° 42
200 1985 283.6 1418 45 87 CGR200N50 154 242 190 Tr 190×10 20 176 10 5° 54
250 2424 346.3 1732 45 84 CGR250N50 159 268 210 Tr 210×10 22 196 11 5° 68
400 4008 572.6 2863 44 89 CGR400N50 178 347 270 Tr 270×10 27 248 11 4° 128
500 4948 706.9 3534 44 81 CGR500N50 192 385 300 Tr 300×10 30 285 10 3° 171
700 6735 962.1 4811 44 85 CGR700N50 200 445 350 Tr 350×10 30 325 10 3° 238
900 8796 1256.6 6283 47 83  CGR900N50 216 495 400 Tr 400×10 30 375 12 3° 315