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MGS20 DN100-150 Safety Pressure Gauge Solid Front

Brand: Nuova Fima

These instruments are built in conformity with the construction and safety specifications of EN 837-1/S3 e ASME B40.1. 

In case of leaks or break of the elastic element, the operator is protected by a solid separating wall placed on the front of the instrument and by the blow out back. 

They are usually used in the food, process, pharmaceutical, petrochemical industries and in conventional and nuclear power plants. 

The TIG welding between the case and the process socket, strengthens the instrument and assures a better tight in case of dampening fluid. 

The advantages of filling the case of the instrument with a dampening fluid are: reduced pointer fluctuation, reduced wear of rotating parts of the movement when pulsing vibrations and pulsations occur. 

Moreover condensation and corrosive atmospheres which could damage the internal parts are prevented.

Specifications

Brand

Accuracy Class

  • 1 as Per EN 837-1

Ambient Temperature Range

  • -40° to +149° F (-40° to +65° C), IP55 Housing (IEC 529)
  • -58° to +149° F (-50° to +65° C), Vented IP67 Housing (IEC 529)
  • Fillable Model: -40° to +149° F (-40° to +65° C), IP67 Housing
  • Filled Model: +32° to +149° F (0° to +65° C) with Glycerine Filling
  • Filled Model: -40° to +149° F (-40° to +65° C) with Silicon Oil Filling & Fluorinated Fluid Filling

Blow Out Disk

  • Stainless Steel

Bourdon Tube

  • Seamless Tube: AISI 316L Stainless Steel for Pressure Ranges up to 20,000 psi (0 to 1000 bar), Duplex Stainless Steel for Range ≥ 20,000 psi (0 to 1400 bar)

Case

  • Stainless Steel

Damping Liquid

  • Filled Model: Glycerine 98 %, Silicon Oil or Fluorinated Fluid

Design

  • EN 837-1

Dial

  • Aluminum, White with Black Markings

IP Protection Rating

  • Filled ModeI: P67 as Per IEC 529

Movement

  • Stainless Steel with Internal Limit Stops

Over Pressure Limit

  • 30 % of Full Scale Value (Max. 12 Hours)

Pointer

  • Adjustable, Aluminum, Black
  • Fillable, Filled Model: Not Adjustable, Aluminum, Black

Process Fluid Temperature

  • -40° to +302° F (-40° to +150° C)
  • Filled Model: Max.

Ranges

  • Filled Model: from 0 to 15 to 0 to 30,000 psi (From 0 to 1 to 0 to 1600 bar or Equivalent Units)
  • From 0 to 15 to 0 to 30,000 psi (From 0 to 0,6 to 0 to 1600 bar or Equivalent Units)

Ring

  • Stainless Steel, Bayonet Lock

Safety Designation

  • S3 as Per EN 837-2

Socket Material

  • AISI 316L Stainless Steel

Thermal Drift

  • ± 0.4 % / 10° C of Range (Starting from 68° F / 20° C)

Window Material

  • Safety Glass (with External Zero Adjustement on Request)

Working Pressure

  • 100 % of Full Scale Value for Static Pressure
  • 90 % of Full Scale Value for Pulsating Pressure
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