Supply vessel takes on benefits of Schischek actuation

Nearly 200 Schischek InMax actuators have been supplied to the automation specialist company Pecol SRL for installation on an offshore oil industry supply vessel under construction in an Italian shipyard.
The InMax actuators were specified for air and fire control damper operation on the vessel after engineers from Rotork Schischek and Pecol demonstrated the advantages of a compact and robust electrical solution for this duty. Due to the exposed on-deck location of many of the actuators the IP66 AISI 316 stainless steel enclosure version was selected to withstand the corrosive effects of the marine environment.

Rotork Schischek manufactures electric actuators for quarter-turn and linear valve and damper operation with a spring-return failsafe capability and with ‘Ex’ or ‘Red’ explosionproof or ‘In’ non-explosionproof enclosure specifications.

Photo courtesy of Rotork 

The Max range is designed for quarter-turn operation at output torques between 5 and 150 Nm with a selectable stroke time of 3, 15, 30, 60 or 120 seconds. The selectable stroke time is one of a number of options that are built into the standard product, including the adaptable power supply and choice of on/off, three-position or modulating control. For position signalling and feedback a 4-20mA or 0-10V supply can be utilised, whilst two end of travel auxiliary position switches are optionally available. An integral heater automatically maintains reliable actuator operation at temperatures down to -40ºC, facilitating the installation of standard products in extreme environments. In its failsafe version the actuator is available with SIL2 safety integrity level approval.

The supply vessel order follows a similar marine industry order from Pecol involving ExMax explosionproof actuators, supplied for damper control on an Italian naval aircraft carrier.

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