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MP918B1204/U

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MP918B1204/U
Overview Used for proportional control of medium- to large-size dampers in HVAC systems. The MP918A,B are rolling diaphragm, piston-type actuators. Positive Positioner available. Replacement devices for most competitors products Features Rolling diaphragm operated.Low friction shaft bearing.Close tolerance on operating range and stroke.Versatile mounting and connecting hardware.Non-overlapping spring ranges for sequencing.Reliable-long life.
Maximum Safe Operating Pressure (psi) :
29 psi
Maximum Safe Operating Pressure (kPa) :
200 kPa
Temperature Range (F) :
-40 F to +158 F
Temperature Range (C) :
-40 C to +70 C
Approvals, Underwriters Laboratories Inc. :
Components Recognized: Report R18118
Operating Humidity Range (% RH) :
5 to 95% RH
Actuator Type :
Damper
Fail Safe Mode :
Spring Return
Stroke (in.) :
3 1/2 in.
Stroke (mm) :
90 mm
Actuator Force :
High
Spring Range (psi) :
8 psi to 13 psi
Spring Range (kPa) :
55 kPa to 90 kPa
Diaphragm Effective Area (sq in.) :
23.8 sq in.
Diaphragm Effective Area (sq cm) :
154 sq cm

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