Mid-West Instrument Type 120 Differential Pressure Switches

Cost Efeective, Simple, rugged, compact design
  • Over-range protection to max pressure
  • Hermetically sealed switches
  • Weatherproof rated to NEMA 4X/IP65
  • Operating Temp -40 to 200° F (-40 to 93°C)
  • ±2% Accuracy Full Scale Ascending
  • Five year Limited Warranty
Mid-West differential pressure indicating switches are designed to measure pressure drop across Filters, Strainers, Separators, Valves, Pumps, Chillers, etc. as well as for local flow indication and control. Basic gauge function is to measure the difference in pressure between two points in a system, the differential pressure results are displayed on the gauge dial.

$238.00 - $444.70USD / Each

10 variations of this product are available.

See All Product Options Below
10 PRODUCT OPTIONS
Compareitem specifications
Accuracy Max Pressure (PSI) Resolution
Availability Pricing
Mid-West Instrument 120-AA-00-O(AA)-5P Piston Type Differential Pressure Switch, 5 psi, Al, Grommet EW-68404-40 Mfr # 120-AA-00-O(AA)-5P
COMPARE
±2% full-scale (ascending)
$238.00USD / Each
Mid-West Instrument 120-AA-00-O(AA)-20P Piston Type Differential Pressure Switch, 20 psi, Al, Grommet EW-68404-43 Mfr # 120-AA-00-O(AA)-20P
COMPARE
±2% full-scale (ascending)
$238.00USD / Each
Mid-West Instrument 120-AA-00-O(AA)-30P Piston Type Differential Pressure Switch, 30 psi, Al, Grommet EW-68404-45 Mfr # 120-AA-00-O(AA)-30P
COMPARE
±2% full-scale (ascending)
$238.00USD / Each
Mid-West Instrument 120-AA-00-O(CA)-15P Piston Type Differential Pressure Switch, 15 psi, Al, 1/4" NPT EW-68404-52 Mfr # 120-AA-00-O(CA)-15P
COMPARE
±2% full-scale (ascending)
$269.70USD / Each
Mid-West Instrument 120-AA-00-O(CA)-20P Piston Type Differential Pressure Switch, 20 psi, Al, 1/4" NPT EW-68404-53 Mfr # 120-AA-00-O(CA)-20P
COMPARE
±2% full-scale (ascending)
$269.70USD / Each
Mid-West Instrument 120-AA-00-O(CA)-30P Piston Type Differential Pressure Switch, 30 psi, Al, 1/4" NPT EW-68404-55 Mfr # 120-AA-00-O(CA)-30P
COMPARE
±2% full-scale (ascending)
$269.70USD / Each
Mid-West Instrument 120-AA-00-O(CA)-75P Piston Type Differential Pressure Switch, 75 psi, Al, 1/4" NPT EW-68404-57 Mfr # 120-AA-00-O(CA)-75P
COMPARE
±2% full-scale (ascending)
$269.70USD / Each
Mid-West Instrument 120-SA-00-O(CA)10P Piston Type Differential Pressure Switch, 10 psi, SS, 1/4" NPT EW-68404-71 Mfr # 120-SA-00-O(CA)10P
COMPARE
±2% full-scale (ascending)
$444.70USD / Each
Mid-West Instrument 120-SA-00-O(CA)20P Piston Type Differential Pressure Switch, 20 psi, SS, 1/4" NPT EW-68404-73 Mfr # 120-SA-00-O(CA)20P
COMPARE
±2% full-scale (ascending)
$444.70USD / Each
Mid-West Instrument 120-SA-00-O(CA)30P Piston Type Differential Pressure Switch, 30 psi, SS, 1/4" NPT EW-68404-75 Mfr # 120-SA-00-O(CA)30P
COMPARE
±2% full-scale (ascending)
$444.70USD / Each
Showing 1- 10 of 10

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