OLGAS-H
– High pressure spring return hydraulic actuator
Use and maintenance manual
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Pag. 16
Contents may change without notice
The screwing values in Table 1 were calculated considering the
materials ASTM A320 L7 for screws or tie rods and ASTM A194
gr.2H for the nuts.
2.3.3 VALVE STEM WITH HORIZONTAL AXIS
The actuator can also be lifted to assemble directly onto the valve
with stem with horizontal axis. To make a correct lifting procedure
proceed as follow:
1) Connect properly the actuator lifting points 1 with chains, and
connect by suitable slings the support brackets 2 and 3
