HAWE Directional Spool Valve

Directional Spool Valves

Directional Spool Valve

Hawe Hydraulics’ directional spool valves can be used to control the direction of movement and the velocity of single and double-acting hydraulic consumers.  Hawe manufactures three types of direction spool valve including:

  • On/Off Directional Spool Valves
  • Proportional Directional Spool Valves
  • Throttling Directional Spool Valves
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On/Off Directional Spool Valves

On/off directional spool valves are used to control the direction of movement of consumers such as hydrostatic motors and hydraulic cylinders.

HAWE Type SG SP - On Off Directional Spool Valve

Type SG and SP

The directional spool valve type SG is available as a single valve for pipe connection. Type SP is available as a valve for manifold mounting. Due to the robust design the directional spool valve type SG and SP reaches operating pressures up to 400 bar. It is of versatile use due to different types of actuation.

Intended applications include mobile hydraulics, in particular in special vehicles, in municipal trucks and in shipbuilding.

SizeDesignsSystem pressureFlow rate (lpm)
0Porting40012
1Porting40020
2Porting40030
3Porting40050
5Porting400100
SizeDesignsSystem pressureFlow rate (lpm)
1Manifold mounting40012
3Manifold mounting40050
5Manifold mounting400100
HAWE Type SW SWP SWR - On Off Directional Spool Valve

Type SWP

The directional spool valve type SWP is available as a manifold mounting valve. Type SW is available as a single valve for pipe connection. Intended applications for the directional spool valve type SWP and SW include industrial hydraulics, in particular, machine tools.

SizeDesignsSystem pressureFlow rate (lpm)
1Porting31512
2Porting31525
SizeDesignsSystem pressureFlow rate (lpm)
1Porting, Manifold mounting, Valve bank31525
2Porting, Manifold mounting31525
SizeDesignsSystem pressureFlow rate (lpm)
1Valve bank31512
2Valve bank31525
HAWE Type NSWP - On Off Directional Spool Valve

Type NSWP

The directional spool valve type NSWP is available as a manifold mounting valve. Type NSWP is available with a nominal size 6 hole pattern (NG 6). The directional spool valve type NSWP can be flexibly adapted to different control tasks by means of additional functions in the pump line and/or on the consumer side (e.g. restrictors, restrictor check valves). Intended applications for the directional spool valve type NSWP include industrial hydraulics, in particular, machine tools.

SizeDesignsSystem pressureFlow rate (lpm)
2Porting, Manifold mounting31525
HAWE Type SWS - On Off Directional Spool Valve

Type SWS

The directional spool valve bank type SWS is available with series connection. The consumers can be operated with on-off or proportional control. Versions are available for usage in potentially explosive atmospheres. By means of additional functions in the pump line, in the intermediate plates (longitudinal and sandwich valve combination) and ancillary blocks the directional spool valve bank can be flexibly adapted to different control tasks.

Intended applications include mobile hydraulics, in particular civil engineering, agricultural engineering and material handling.

SizeDesignsSystem pressureFlow rate (lpm)
2Valve bank31525
HAWE Type HSF - On Off Directional Spool Valve

Type HSF

The directional spool valve type HSF is a manifold mounting valve. Due to the robust design, it reaches operating pressures of up to 400 bar.

Adjustable threaded throttles are used to adjust the response time. Harsh switching operations and decompression surges, particularly in the event of high pressure and large consumer volumes, can be avoided this way.

SizeDesignsSystem pressureFlow rate (lpm)
3Manifold mounting40080
4Manifold mounting400160

Proportional Directional Spool Valves

Proportional directional spool valves control the direction of movement and the velocity of individual or multiple hydraulic consumers actuated simultaneously. Control is independent of the load and continuous.

Type PSL, PSV, PSM, SL, HMPL and HMPV

The proportional directional spool valve type PSL is suitable for constant pump systems and type PSV for variable pump systems with a pressure/flow controller. The volumetric flows and load pressures for the individual consumers can be individually adjusted. The proportional directional spool valve type PSL and PSV can be adapted to various control tasks, e.g. for safety functions. All sizes can be combined with each other.

The proportional directional spool valve type PSL and PSV is used in mobile hydraulics, in particular in crane and lifting equipment, construction and mining machinery, drilling equipment as well as in offshore and marine technology.

SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank42010060
3Valve bank420200120
5Valve bank400350270
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank42010060
3Valve bank420250120
5Valve bank400350270
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank420250120
5Valve bank400350270
SizeDesignsSystem pressureFlow rate (consumer) (lpm)
2Components42060
3Components420120
5Components400270
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank250, 350160, 400160
/2Valve bank250, 350100, 400100, 160
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank250100100
3Valve bank250160160
HAWE Type PSLF Proportional Directional Spool Valve

Type PSLF, PSVF and SLF

The proportional directional spool valve type PSLF is suitable for constant pump systems and type PSVF for variable pump systems with a pressure/flow controller.The proportional directional spool valve type PSLF and PSVF is available as an individual manifold mounting valve or in the valve bank. The volumetric flows and load pressures for the individual consumers can be individually adjusted. The directional spool valve can be adapted to different control tasks. Connections on the rear permit easy access to the valve for servicing, even in tight installation spaces. All sizes can be combined with each other.

The proportional directional spool valve type PSLF and PSVF is used in mobile hydraulics, in particular in crane and lifting equipment, construction and mining machinery, drilling equipment as well as in offshore and marine technology.

SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank420120120
5Valve bank420350270
7Valve bank4201000500
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank420120120
5Valve bank400350270
7Valve bank4201000500
SizeDesignsSystem pressureFlow rate (consumer) (lpm)
3Manifold mounting420120
5Manifold mounting400270
7Manifold mounting420500
HAWE Type EDL Proportional Directional Spool Valve

The directional spool valve type EDL with series connection is actuated directly. The flows for the individual consumers can be individually adjusted. By means of additional functions in the intermediate plates (longitudinal and sandwich valve combination) and ancillary blocks the proportional directional spool valve can be flexibly adapted to different control tasks.

The directional spool valve type EDL can be combined directly with the proportional directional spool valve type PSL and PSV in size 2. It is used in mobile hydraulics, in particular in civil engineering and agricultural engineering.

SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank32010054

Throttling Directional Spool Valves

Throttling directional spool valves can continuously and manually meter the volumetric flow in hydraulic systems with single and double-acting consumers.

HAWE Hydraulik Throttling Directional Spool Valve

Type DL

The throttling directional spool valve type DL influences the speed of the consumer by throttling the pump circulation via a parallel circuit (bypass control). The close fit of the spool in the throttling directional spool valve means that the leakage is limited to a minimum for lifting functions.

The throttling directional spool valve type DL is suitable for applications in material handling and for lifting equipment.

SizeDesignsSystem pressureFlow rate (lpm)
1Valve bank31516
2Valve bank31530
3Valve bank25060
4Valve bank25090

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