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Add the 91/CFN Schaffer Diaphragm Pressure Gauge to your store or catalog  
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Budenberg Schaffer Diaphragm Gauge, 91/CFN

91/CFN Schaffer Diaphragm Pressure Gauge

Brand: Budenberg
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The model 91/FN Schaffer Diaphragm gauges are designed for use on slurries, viscous or corrosive fluids that would normally attack or block standard bourdon tube gauges.

Implementing specialist materials for both the connection and diaphragm enable the Shaffer Diaphragm gauge to be configured for use on any gaseous or liquid media including suspended solids or powders. 

The direct drive from the diaphragm to the movement ensures a more positive indication of pressure than other models of tube gauges.

Offering a full range of flanged connection sizes and materials, Schaffer Diaphragm gauges can operate at pressure ranges as low as 30 mBar with the option to permit units to withstand a maximum pressure of 70 bar.

Specifications

Brand

Approvals & Certifications

  • PED

Dial Size

  • 4" (100 mm)

Environmental Protection

  • IP65

Flange Size - 1-1/2” (DN 40)

  • 1-1/2" (DN 40) - 150#
  • 1-1/2" (DN 40) - 1500#
  • 1-1/2" (DN 40) - 300#
  • 1-1/2" (DN 40) - 600#
  • 1-1/2" (DN 40) - 900#
  • 1-1/2" (DN 40) - PN 10
  • 1-1/2" (DN 40) - PN 16
  • 1-1/2" (DN 40) - PN 25
  • 1-1/2" (DN 40) - PN 40
  • 1-1/2" (DN 40) - Table A
  • 1-1/2" (DN 40) - Table B
  • 1-1/2" (DN 40) - Table C
  • 1-1/2" (DN 40) - Table D
  • 1-1/2" (DN 40) - Table E

Flange Size - 1” (DN 25)

  • 1" (DN 25) - 150#
  • 1" (DN 25) - 1500#
  • 1" (DN 25) - 300#
  • 1" (DN 25) - 600#
  • 1" (DN 25) - 900#
  • 1" (DN 25) - PN 10
  • 1" (DN 25) - PN 16
  • 1" (DN 25) - PN 25
  • 1" (DN 25) - PN 40
  • 1" (DN 25) - Table A
  • 1" (DN 25) - Table B
  • 1" (DN 25) - Table C
  • 1" (DN 25) - Table D
  • 1" (DN 25) - Table E

Flange Size - 1/2” (DN 15)

  • 1/2" (DN 15) - 150#
  • 1/2" (DN 15) - 1500#
  • 1/2" (DN 15) - 300#
  • 1/2" (DN 15) - 600#
  • 1/2" (DN 15) - 900#
  • 1/2" (DN 15) - PN 10
  • 1/2" (DN 15) - PN 16
  • 1/2" (DN 15) - PN 25
  • 1/2" (DN 15) - PN 40
  • 1/2" (DN 15) - Table A
  • 1/2" (DN 15) - Table B
  • 1/2" (DN 15) - Table C
  • 1/2" (DN 15) - Table D
  • 1/2" (DN 15) - Table E

Flange Size - 2” (DN 50)

  • 2" (DN 50) - 150#
  • 2" (DN 50) - 1500#
  • 2" (DN 50) - 300#
  • 2" (DN 50) - 600#
  • 2" (DN 50) - 900#
  • 2" (DN 50) - PN 10
  • 2" (DN 50) - PN 16
  • 2" (DN 50) - PN 25
  • 2" (DN 50) - PN 40
  • 2" (DN 50) - Table A
  • 2" (DN 50) - Table B
  • 2" (DN 50) - Table C
  • 2" (DN 50) - Table D
  • 2" (DN 50) - Table E

Flange Size - 3/4” (DN 20)

  • 3/4" (DN 20) - 150#
  • 3/4" (DN 20) - 1500#
  • 3/4" (DN 20) - 300#
  • 3/4" (DN 20) - 600#
  • 3/4" (DN 20) - 900#
  • 3/4" (DN 20) - PN 10
  • 3/4" (DN 20) - PN 16
  • 3/4" (DN 20) - PN 25
  • 3/4" (DN 20) - PN 40
  • 3/4" (DN 20) - Table A
  • 3/4" (DN 20) - Table B
  • 3/4" (DN 20) - Table C
  • 3/4" (DN 20) - Table D
  • 3/4" (DN 20) - Table E

Pressure Range

  • bar: 0 to 25
  • kPa: 0 to 25,000
  • psi: 0 to 362.6

Pressure Type

  • Gauge
  • Vacuum

Mounting

  • Direct

Case & Bezel Material

  • Stainless Steel

Connection Material

  • 316 Stainless Steel Standard
  • Options: Monel, Tantalum, Hastelloy, Silver or PTFE Protected

Accuracy Class

  • 1.0 % of FSD as defined in EN 837-1
  • 1.5 % of FSD if Diaphragm is Protected

Material of Construction

  • Dial: White Anodised Aluminium
  • Pointer: Aluminium
  • Movement: Brass
  • Window: Laminated Safety Glass (Standard)
  • Window: Acrylic Plastic Option

Operating Temperature

  • -10° to 60° C

Storage Temperature

  • -40° to +100° C

  • Oil and Gas
  • Chemical
  • Petrochemical
  • Power Generation
  • Water and Waste Water

Documentation

Data Sheets

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