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Derbyshire, Mack and Morgan, Inc.


Marsh Products


63mm_abs_case.jpg (8985 bytes)

  • Rugged ABS Case
  • Ultrasonically Welded Acrylic Window
  • Hermetically Sealed
  • Ranges to 5,000 psi
  • Dry or Liquid Filled Marsh

Marsh Instruments' Severe Service line features a regged impact and corrosion resistant ABS case gauge that is hermetically sealed. It is available dry or liquid filled. The liquid filling dampens the damaging effects of pulsation and vibration common to many hydraulic systems. it also lubricates the internals and reduces corrosion. The ultrasonically welded acrylic window and two piece socket design ensure superior, leak free performance.


63mm_stainless_steel.jpg (7327 bytes)

  • 3 Standard Mounting Options: LM, CB and U-Clamp
  • Pressure Ranges to 5,000 psi/35,000 kPa
  • ASME Grade B accuracy

Marsh Instruments Liquid-Filled Gauges are designed to perform in rugged applications and harsh environmental conditions - especially where pulsation and vibration are a problem. Liquid-filled gauges offer a significant cushioning and dampening effect, reducing pointer flutter and internal gauge damage; also lubricating the internals, and reducing corrosion.

All stainless steel liquid-filled gauges feature a vent top fill plug for pressure relief and ease of venting after installation. pressure ranges are available through 20,000 psi, with high pressure ranges offering a helical bourbon tube for longer gauge life and increased durability. The hermetically sealed construction reduces the chance of leaks, and makes field filling an easy option.


100mm_stainless_steel.jpg (7304 bytes)

  • Brass or Stainless Steel Internals
  • Field Fillable
  • Hermetically Sealed

Marsh Instruments' Liquid-Filled Gauges are designed to perform in rugged applications and harsh environmental conditions - especially where pulsation and vibration are a problem. Liquid-filled gauges offer a significant cushioning and dampening effect, reducing pointer flutter and internal gauge damage; also lubricating the internals, and reducing corrosion.  All stainless steel liquid-filled gauges feature a vent top fill plug for pressure relief and ease of venting after installation. The hermetically sealed construction reduces the chance of leaks, and makes field filling an easy option.


63mm_brass_case.jpg (4837 bytes)

  • Ranges to 10,000 psi
  • Field Fillable
  • Rugged One Piece Construction
  • 63mm Case Size

Marsh Brass Case liquid filled gauges are designed to perform in severe applications. When pulsation and vibration are a problem, this one piece forged brass gauge is up to the task.  Liquid filling lubricates the movement, protects the gauge internals, and reduces pointer flutter. The hermetically sealed construction reduces the chance for leaks, and makes field filling an easy option. This product features a vented top fill plug for continuous pressure relief.

Suitable applications include power units, robotics, pumps, comprressors, hydraulics, as well as die cast machinery, marine, and automotive applications.


elite_100mm_stainless_steel.jpg (6813 bytes)

  • All Stainless Steel
  • Field Fillable
  • Ranges to 10,000 psi
  • Liquid Filled or Dry
  • Solid Front - Safecase Design

Marsh Instruments All Stainless Steel Gauges are built for extended life, and designed for harsh and corrosive environments. These stainless steel gauges feature top fill plugs and are field fillable. Marsh liquid filled gauges offer significant cushioning and dampening which reduces pointer flutter and internal gauge damage. Suitable applications include; refineries, chemical plants, offshore platforms, oil rigs, marine applications, general industrial appliction and OEM process.


h_series_100mm.jpg (6563 bytes)

  • Liquid Filled or Dry
  • Field Fillable
  • Ranges to 10,000 psi
  • Heavy Duty Stainless Steel

Marsh Instruments All Stainless Steel Gauges are built for extended life, and designed for harsh and corrosive environments. These stainless steel gauges feature top fill plugs and are field fillable. Pressure ranges are available to 10,000 psi. Marsh liquid filled gauges offer significant cushioning and dampening which reduces pointer flutter and internal gauge damage.  Suitable applications include; refineries, chemical plants, offshore platforms, oil rigs, marine applications, general industrial appliction and OEM process.


1999 Derbyshire, Mack and Morgan, Inc.