Compact Pneumatic Rack-and-Pinion Actuators Heron JHD for Quarter-Turn Control

JHD pneumatic actuators with rocker gear, designed to control quarter turn valves: ball valves, disc butterfly valves, plug valves, butterfly valves. JHD pneumatic actuators can be used in hazardous areas and have the following explosion protection marking: II Gb c Tx, III Db c Tx. Features of the compact rocker pneumatic actuators:

• - Increased torque in extreme positions;
• Compact aluminium housing;
• Double-acting and spring-return versions;
• Torque range: 2 to 10000 Nm;
• Suitable for installation in confined spaces without limiting functionality;
• Possibility of installing a handwheel and gearbox;
• Mounting flange: according to GOST 34287-2017 (ISO 5211-2017).
• Installation of limit switch unit according to VDI/VDE 3845;
• Mounting possibility of threaded distributor and NAMUR;
• Long service life: >1000000 cycles.