Delivery Time:1-30 work days
Certification:CE
DR 50 series pilot operated reducing valve pressure valves , Hydraulic Pressure Relief Valve
Specification
[Technical Data]
| Operating medium | Mineral oil-suit to NBR or FKM seals | |||
| Phosphate-suit to FKM seals | ||||
| Temperature range of the scope ℃ | -30~+80(NBR seals) | |||
| -20~+80(FKM seals) | ||||
| Viscosity scope mm2/s | 10~800 | |||
| The oil cleanliness | The maximum oil pollution level according to NAS1638 class 9 and ISO4406 20,18,class 15 | |||
|
Maximum operating pressure chamber B MPa |
35 | |||
|
Operating pressure scope chamber A MPa |
1~35 | |||
|
Maximum back pressure chamber Y MPa |
35(only suit to no check valve structure),31.5(with check valve) | |||
|
Back pressure setting the maximum MPa |
5;10;20;31.5;35 | |||
| The minimum MPa | Associated with the flow(see the performance curve) | |||
| Size | DR10 DR15 DR20 DR25 DR30 | |||
| The maximum flow | Sub-plate mounting l/min | 150 - 300 - 400 | ||
| Thread connection l/min | 150 300 300 400 400 | |||
| Mounting site | Optional | |||
| Size | DR10 DR15 DR20 DR25 DR30 | |||
| Weight |
Sub-plate mounting Thread connection |
DR kg | 150 - 5.5 - 8.2 | |
| DR...G kg | 5.3 5.5 5.1 5.0 5.0 | |||
| DRC kg | 1.2 | |||
| DR C30 kg | 1.5 | |||
Four adjustment type
With knob
Adjusting bolt with protect cover
Locking-knob with scale
Knob with scale
Can select check valve (only suit subplate mounting)
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