Description
DBD… Pressure Relief Valve Direct Operated
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 | ||||
Nominal size | 6 and 8 | 10 | 15 and 20 | 25 and 30 | |
Operating pressure range | Inlet bar | Up to 400 | up to 630 | up to 400 | up to 315 |
bar bar | 315 | ||||
Max. flow-rate L/min | See the Characteristic curve |
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