ISR Series
ISR SeriesISR Series (Symmetry Yoke - single Acting Heavy Duty Actuator) is a scotch Yoke design actuator specially designed for on/off and emergency shut applications.
45 models with torque ranging from 100 Nm to 80000 Nm.
Carbon steel and cast steel housing material.
Hardened Scotch yoke used for long service life.
Direct NAMUR mounting.
Low friction bearings used for maximum working life.
Specially treated O-rings for low friction.
Direct Mounting as per ISO-5211.
Optional position indicator can be used.
±5º stroke adjustment.
IP-66 rating for water ingress protection and corrosion resistence.
Interchangable modular construction- an advantage for inventory, service, maintenance.
Standard operating pressure: 40 to 100 PSIG (2.8 to 7 Bar)
Standard operating Temperature:-20ºC to +80ºC.
Features & Benefits
Optional Temperature range
High temperature: -10ºC to +140ºC
Low temperature: -45ºC to +80ºC
Extreme low temperature: -55ºC to +80ºC </p>
Note- for further temperature ranges below -55ºC please consult factory.
Corrosion protection
Corrosion category C3
Coat 1 - Cast iron body and cylinder housing (primer Thickness 130 micron: Coat 2 - Paint thickness 50 micron.
Bolt and nuts: A2 (AISI 304)
Corrosion category C4 (Fully coated actuators)
Coat 1 - Cast iron body and cylinder housing (primer Thickness 60 micron: Coat 2 - Paint thickness 90 micron: Coat 3 - Paint thickness 50 micron.
Bolt and nuts: A2 (AISI 304) )
Corrosion category C5-I Fully polyurethane (PU) coated actuators
Coat 1 - Cast iron body and cylinder housing (primer Thickness 190 micron: Coat 2 - Paint thickness 50 micron.
Bolt and nuts: A2 (AISI 304)
Corrosion category C5-M Fully polyurethane (PU) coated actuators
Coat 1 - Cast iron body and cylinder housing (primer Thickness 60 micron: Coat 2 - Paint thickness 90 micron: Coat 3 - Paint thickness 50 micron.
Bolt and nuts: A4 (AISI 316)
Fully stainless steel AISI 316 actuator* Can be immersed in fresh water.
