Multi proportional control directional switching spool valve PSL PSV EDL
This is a multi-proportional control directional valve with excellent cost performance.
The multi-way proportional control directional spool valve performs flow control with pressure compensation proportional to the spool stroke. Each proportional control directional spool valve operates independently without affecting one another, allowing for independent pressure and flow to be achieved, enabling multiple actuators to operate simultaneously at different loads and speeds. (During simultaneous operation, lighter load cylinders will not move before heavier load ones.) Types PSL and PSV can be connected up to 12 ways (size 5 can connect up to 10 ways). Additionally, a port block can be attached to the outlet ports of each switching spool valve (size 2 is standard), allowing for the addition of functions such as relief valves and pilot check valves.
basic information
This proportional valve comes in two types: PSL for fixed pumps and PSV for variable pumps, allowing for stepless speed control of the actuator regardless of load fluctuations. Multiple actuators can operate simultaneously without being affected by each other's loads, demonstrating its effectiveness in applications such as cranes. It is compatible with energy-saving load sensing circuits and can be combined with counterbalance valves for compact and lightweight designs. Maximum operating pressure: 42MPa Flow rate: 3 to 240L/min Operation methods: Electromagnetic, manual, hydraulic, pneumatic
Price information
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Model number/Brand name
HAWE Multi-Proportional Control Directional Switching Spool Valve
Applications/Examples of results
Control of extension, elevation, and rotation for concrete pump trucks, construction machinery cranes, marine cranes, etc. Industrial vehicles, forklifts, etc.
Detailed information
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Line up（2）
| Model number | overview |
|---|---|
| PSL | For fixed displacement pumps |
| PSV | For variable displacement pumps |
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HAWE GmbH, established in 1949 as Heilmeier und Weinlein, Fabrik für Oel-Hydraulik GmbH & Co.KG, changed its name to HAWE Hydraulik GmbH in 2002 and then to HAWE Hydraulik SE in October 2008. Headquartered in Munich, Germany, it is a global leader in hydraulic systems with 2,830 employees and an annual revenue of 490 million euros (approximately 80 billion yen) for the fiscal year 2024. The company sells products in over 41 countries. HAWE currently has five manufacturing sites in Germany, where all processes from component machining to assembly are carried out domestically. Additionally, in 2023, it established manufacturing facilities in Wuxi, China, and Huntersville, North Carolina, USA, and began supplying products to customers in those regions.