Images are representations only.

1189 Low Pressure Bellow Gauge

Brand: Ashcroft Inc

Free Shipping on Orders Over $364.80 USD

The Ashcroft® 1189 bellows gauge is used when low pressure measurement is a requirement.

Its highly sensitive system and standard product features provide for a safe means for measuring process media.

An ideal product solution for many installation points.
Features
  • Available in 4-1/2" and 6" dial size 
  • Bellows-actuated mechanism 
  • Three bellows materials 
  • Easily adjustable micrometer pointer 
  • Aluminum case 
  • All-stainless steel movement 
show more
The Ashcroft® 1189 bellows gauge is used when low pressure measurement is a requirement.

Its highly sensitive system and standard product features provide for a safe means for measuring process media.

An ideal product solution for many installation points.
Features
  • Available in 4-1/2" and 6" dial size 
  • Bellows-actuated mechanism 
  • Three bellows materials 
  • Easily adjustable micrometer pointer 
  • Aluminum case 
  • All-stainless steel movement 

Specifications

Accuracy

  • ± 2-1-2 % ASME Grade A

Ambient Temperature Range

  • Dry: -29° to 66° C (-20° to 150° F)

Enclosure Finish

  • Black Epoxy Coated

Enclosure, Body Material

  • Aluminum

Lens

  • Acrylic Lens
  • Glass Lens
  • Safety Glass

Materials of Construction

  • Bellows & Socket Material: Brass
  • Bellows & Tube, Socket Material: 316 Stainless Steel
  • Bellows: Phosphor Bronze
  • Dial: White Aluminum with Black Markings
  • Socket: Monel 400
  • Tube: Monel 500 (Monel K-500)

Mounting

  • Flush Mount
  • Stem
  • Surface Mount

Movement

  • 416 Stainless Steel

Name Plate, Tag Material

  • Stainless Steel

NPT Connection

  • 1/2” NPT Male
  • 1/4” NPT Male

Pressure Range

  • bar: 0 to 0.69
  • Inches WC: -10 to 0
  • kPa: 0 to 68.9
  • psi: 0 to 10

Pressure Type

  • Compound Pressure
  • Gauge
  • Vacuum

Process Temperature

  • Dry: -29° to 66° C (-20° to 150° F)

Ring Material

  • Polypropylene, Black, Threaded, Reinforced

Size

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

Storage Temperature

  • Dry: -40° to 66° C (-40° to 150° F)

Typical Applications

  • Chemical & Petrochemical
  • Equipment Skids
  • Oil & Gas Applications
  • Water & Wastewater Pressure Control