Size：NG6-NG22
-Superimposed structure
-The mounting surface conforms to DIN 24340 type A and iso4401
-Used for threaded connection and bottom plate installation
-4 pressure ranges
-6 available flow directions
-With one or two plug-in relief valves
-Four kinds of regulation forms
·Knob
·Adjusting bolt with protective cover
·Adjustable locking knob with scale
·Dial with scale
| Fluid | Mineral oil suitable for NBR and FKM seal |
| Phosphate ester for FKM seal | |
| Fluid temperature range ℃ | -30 to +80 (NBR seal ) |
| -20 to +80 (FKM seal ) | |
| Viscosity range mm2/s | 10 to 800 |
| Degree of contamination | Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15 , ISO4406 |
| Max.operating pressure bar | to 315 |
| Max.adjustable pressure bar | 50;100;200;315 |
| Max. flow-rate L/min | up to 400 |
ZDBD… Direct Operated Pressure Relief Valve