The David Brown Hydraulics valve range includes valves, some of which are for specific applications while others can be used for a wide variety of applications. A range of control options is available, from manual, to pilot hydraulic, to pneumatic control, to electro hydraulic control.
Depending on model, features include:
Sectional or monobloc construction, flow rating to 150litres/min, multiple spool options, manual / hydraulic / electro-hydraulic / pneumatic control options, tandem circuit, multiple inlets
033 sectional valve range
This product is rated at 150 litre/min and can sensibly be used down to 80 litre/min. 033 sectional valves are versatile, being sectional in construction and can be built in assemblies ranging from one to ten sections, with a wide variety of spool options and controls ranging from manual to pilot hydraulic to electro-hydraulic.
034 monobloc valve range
This valve is available as a two or three section monobloc assembly, rated to 150 litre/min, with both double acting and float spools with manual control. 034 monobloc valves were originally loader valves but can be used in other applications.
035 monobloc valve range
This valve is available as a two or three section monobloc assembly, rated to 150 litre/min, with both double acting and float spools with manual control. 035 monobloc valves are fitted with 2 separate pump inlets, one of which is fitted with a hydraulic unloader controlled by the pressure on the other inlet. It is a loader valve.
4009/4109 monobloc valve range
General purpose valves available with a parallel circuit (4109) or with a tandem circuit (4009). The 4009 is available in 1 to 3 spool assemblies while the 4009 is available in 1 to 5 spool assemblies, both valves offering double acting and single acting spools and manual and pilot hydraulic controls.
4011 monobloc valve range
Rated at 270 litre/min and available in 1, 2 & 3 spool assemblies and tandem circuit with double acting and float spools. Two and three spool valves used on wheeled loaders, single spool valves used for general purposes.
