Hydraulic systems & components


Highest reliability, lowest leakage

Second Quarter 2020 Hydraulic systems & components

Sun has just released the DWBF, a new FLeX Series 3-way, direct-acting, solenoid-operated directional blocking poppet valve with two extremely low-leakage poppet configurations. They are ideal for load-holding and pilot circuits requiring low leakage. The options are:

• DWBF-XAN − normally open 1-to-2, closed 2-to-3.

• DWBF-XNN − normally open 2-to-3, closed 1-to-2.

This new blocking poppet valve with extremely low leakage of less than one drop per minute is well suited for use in load-holding circuits where it can be used safely to lock a load in place or in pilot circuits requiring low leakage. And with 10 million cycle reliability and 1000 hour salt fog protection, they can stand up to the most demanding applications.

Like all FLeX Series valves, the DWBF is compatible with both the 740 Series high-power coils and the 747 Series hazardous-location coils.

The FLeX Series also includes two 2-way, direct-acting directional blocking poppet valves − the DTAF and DTBF. They also offer extremely low leakage, and when configured as normally closed they are well suited to load-holding applications.


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