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f-series ashcroft explosion proof compact pressure switches

SPECIAL FEATURES
  • Diaphragm-sealed piston actuator for long, reliable service
  • Choice of wetted materials and pressure connections for all applications
  • Watertight anodized aluminum body for environmental protection
  • Hermetically sealed snap-acting switch element
  • Field adjustable
  • Standard ½ NPT Male electrical conduit connection
  • Factory sealed leads
  • Ashcroft Dresser Instruments
  • Directly interchangeable with many similar models for convenience
  • UL and CSA listed standard
IDEAL FOR PRESSURE ALARM, SHUTDOWN, CONTROL ON:
  • Engines and compressors
  • Process applications
  • Offshore applications
  • Panels
  • Pipelines
  • Hazardous locations
  • Corrosive environments
  • Machine tools
  • Replacement and retrofit
  • Where size is a consideration or equipment is being downsized

 

f-series ashcroft explosion proof compact pressure switches
Compact Pressure Switch
Explosion Proof Body
Function

FPS - Pressure switch, single setpoint, fixed deadband, factory set
 
Enclosure (Body)

N7 - NEMA 3, 4, 7, & 9, 1P66
Annodized aluminum for hazardous locations
 
Switch Element Code
P - Hermetically Sealed, Narrow Deadband - 5A, 125/250 Vac
J - Hermetically Sealed, General Purpose - 11A, 125/250 Vac; 5A, 30 Vdc
L - Hermetically Sealed, Gold Contacts - 1A, 125 Vac
 
Actuator Seal
B - Buna N - Process Temperature Limits 0-150oF
V - Viton - Process Temperature Limits 20-200oF
T - Teflon - Process Temperature Limits 0-150oF
R - SS Diaphragm/Viton O-Ring - Process Temperature Limits 0-150oF
S - 316 SS Welded - Process Temperature Limits 0-200oF
H - SS Piston/Viton O-Ring - Process Temperature Limits 20-200oF
 
Pressure Connection
¼ NPT Female or ½ NPT Female (Standard
 
F-Series Options
XFP - Fungus proofing
XFS - Factory adjustment setpoint
XK3 - Terminal blocks
XNH - Tagging stainless steel
X6B - Cleaned for oxygen service
 

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