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Hydraulic Block & Bleed Valve Systems

Ross Controls

ROSS Controls® introduces its new Hydraulic Block & Bleed valve systems designed for external monitoring, up to Category-4, PL e for safety applications

ROSS, who is already known throughout the industry for reliable pneumatic safety-related valves and solutions, now expands upon these strengths to offer solutions for users of hydraulic systems.

The ROSS Hydraulic Block & Bleed Series feature a manifold base mounted design available in three body sizes D03, D05, and D07, port sizes SAE-8, SAE-12, and 1-1/4 Code 61 Flange. These valve systems feature a relief valve on inlet, and position sensors for external monitoring. The HBB Series valve system is enhanced with a tamper-resistant design that prevents unauthorized personnel from altering the valve.

The safety function of the Hydraulic Block & Bleed Series valve system is to block hydraulic supply pressure and to bleed downstream pressure back to tank.

The ROSS® HBB Series safety system is a redundant 3/2 normally closed function valve system, spool type design, direct solenoid or solenoid pilot operated. This new system is designed for external monitoring for safe redundant operation and is equipped with position sensors for external monitoring by an electrical safety control system.

ROSS has always been at the forefront of pneumatic innovations and now gives customers even wider options with its hydraulic offerings and will continue to expand its hydraulic line of products.



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