aschcroft gauges banner  
  ashcroft navigation bar

Ashcroft Pressure Gauge Type 1133

The Ashcroft type 1133 Differential Pressure Gauge is an economical means for measuring very low pressure with high static between two independent pressure sources. Uses a convoluted diaphragm to sense low inches of water differential pressure without migration of media between the low and high pressure sides.

Differential Pressure Gauge - 2% Ascending Accuracy

  • Large convoluted diaphragm actuator
  • Stainless steel case
  • Ranges from 2 IWD-200 IWD
  • Static pressures up to 500 psi
  • Aluminum body (1) (3)
  • Buna-N seals (others available)
  • Superior magnets for smoother power motion
  • Standard switches available
  • 5-year warranty

The Type 1133 uses a convoluted-diaphragm to sense low inches of water differentials while ensuring no migration of the process media. Maximum static pressures for ranges of 5 IWD and below is 45 psi and 500 psi for all other ranges. Body materials are only available in Aluminum, with Buna, Viton or EPDM seals. (2)


(1) Not for use with incompatible media.

(2) Other wetted parts include stainless steel, Teflon and ceramic.

(3) Not to be used with water or corrosive applications.



Ashcroft Specifications
Additional information