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DU-C Hydraulic Change-Over Valves
DU-C are hydraulic change-over valves designed primarily for use in dual-line lubrication systems These change-over valves alternately discharge lubricant, fed by the pump into one of the two main lines The other line is connected to the return line connection of the pump The switching pressure is adjustable.
Technical Information of DU-C Hydraulic Change-Over Valves
Technical data | |
Function principle | change-over valve, hydraulic |
Operating temperature | –20 to +80 ℃ |
Lubricant | grease up to NLGI 3, oil with a viscosity of min 20 mm2/s |
Operating pressure | max 35 Mpa, 5 075 psi |
Change-over pressure | min 14 Mpa, max 35 Mpa, |
| Electrical connection | max 500 V, 25–60 Hz |
| Lubrication systems | dual line lubrication systems |
Technical Drawing of DU-C Hydraulic Change-Over Valves
Dimensions (mm)
Characteristics of DU-C Hydraulic Change-Over Valves
Reliable, even for hard grease
Change-over process initiated automatically once preset pressure is reached
Maximum operating pressure of 35 Mpa (5 076 psi)
Various mounting positions
Works effectively in temperatures ranging from –20 to +80 ℃
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