1127/1128 Differential Pressure Gauge

Brand: Ashcroft Inc
Does not ship to Virginia, United States

The Ashcroft Type 1127/1128 differential pressure gauges display the difference of two separate inputs on one dial indicator.

The 1127/1128 is offered with "0" at the 12 o’clock position on the dial with positive pressure on either side of zero.

The 1127/1128 has stainless Bourdon tubes. When the process media is corrosive to the gauge wetted parts, diaphragm seals with capillaries are available.
Features
  • 4-1/2" and 6" dial size 
  • 316 Stainless steel Bourdon tube and sockets 
  • ASME B40.1 Grade 1A (2%-1%-2%) 
  • Black epoxy coated aluminum case and ring 

Specifications

Accuracy

  • ± 2-1-2 % ASME B40.100 Grade A

Ambient Temperature Range

  • Dry: -29° to 93° C (-20° to 200° F)

Enclosure, Body Material

  • Aluminum

Lens

  • Glass Lens

Materials of Construction

  • Bourdon Tube & Socket: 316 Stainless Steel
  • Dial: White Painted Aluminum with Black Markings

Mounting

  • Stem
  • Surface Mount

Movement

  • Bronze

NPT Connection

  • 1/4” NPT Male

Pressure Range

  • bar: 0.69 to 68.95
  • kPa: 68.95 to 6,895
  • psi: 10 to 1,000

Pressure Type

  • Differential

Process Temperature

  • Dry: -29° to 121° C (-20° to 250° F)

Ring Material

  • Aluminum, Hinged, Black Epoxy Coated

Size

  • Dial: 4.5”
  • Dial: 6” (152.4 mm)

Storage Temperature

  • Dry: -40° to 121° C (-40° to 250° F)

  • Chemical & Petrochemical
  • Filter, Level & Flow Measurement
  • Mining & Metals
  • Refineries
  • Water & Wastewater Pressure Control
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