Protection tubes series 120, 160 and 300
Overview of protection tubes at hydraulic cylinders
The best choice of protection tube depends on the series, the type of effect of the cylinder (single-rod or double-rod), and the type of position transducer.
 only as a protection for the transducer, no mounting for the cylinder |
series 120/160/300 single-rod | protection tube for position transducer without mounting | for position transducer magnetostrictive |
 for cylinder mounting on cap-side |
series 120/160/300 single-rod | protection tube for position transducer for mounting | for position transducer magnetostrictive |
 only as a protection for piston rod and transducer, no mounting for the cylinder |
series 120/300 double-rod | protection tube for piston rod & protection tube for position transducer without mounting | for position transducer inductive or magnetostrictive |
 for cylinder mounting on cap-side |
series 120/300 double-rod | protection tube for piston rod & protection tube for position transducer for mounting | for position transducer inductive or magnetostrictive |
Assignment of the standard spherical plain bearings on protection tubes with spherical bearings
| series cylinder | standard accessory |
spherical bearing ISO 12240-1 |
bearing clearance | fixation of bearing |
| 120, 300 | Hänchen | Form E (DO) maintenance required | Group N | permanently fixed |
| 120 | ISO 8132 | Form W (LO) maintenance required | Group N | with snap ring |
| 160 | ISO 8132 | Form W (LO) maintenance required | Group N | with snap ring |
Group N = normal clearance
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