The main spools (PVBS) determine the flow out of the work section or the pressure build up and are
based on a generic platform with a wide selection of additional features, enabling you to tailor the PVBS
to suit the demands of any hydraulic system and any function.
The PVBS main spool can be activated in three different ways:
•
Mechanically by a PVM lever
•
Electrically by a PVE/PVHC actuator
•
Hydraulically by a PVH actuator
PVBS main spool
PVBS main spool dimensions
110 [4.33]
14.8 [0.59]
46 [1.81]
Weight: 0.16 kg [0.35 lb]
General features
•
4-way, positions
•
Optional 4-way, 4 positions with the right PVM
•
Flow control AB
•
Dead band 1.2mm [0.047 in]
PVBS Technical Parameters
Technical specification
Parameter Minimum Recommended range Maximum
Fluid temperature
-30°C [-22°F] 30 to 60°C [86 to 140°F] 90° [194°F]
Fluid viscosity
4 mm
2
/s [39 SUS] 12 to 75 mm
2
/s [65 to 347 SUS] 460 mm
2
/s [2128 SUS]
Fluid cleanliness
23/19/16 (according to ISO 4406)
Operating temperature
Ambient: -30 to 60°C [-22 to 140°F]
Technical Information
PVG 16 Proportional Valve Group
PVBS Main Spools
62 |
©
Danfoss | December 2018 BC00000211en-000901
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