Pressure Gauge Model MGS20 DN100-150

Feature Pressure Gauge Model MGS20 DN100-150

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 pulsant vibrations and pulsations occur. Moreover condensation and corrosive atmospheres which could damage the internal parts are prevented.

Specifications Pressure Gauge Model MGS20 DN100-150

• Design: EN837-1.
• Safety designation: S3 as per EN 837-2.
• Ranges: from 0…15 to 0…30000 psi (from 0…0,6 to 0…1600 bar or equivalent units).
• Accuracy class: 1 as per EN 837-1
• Ambient temperature:
  -40…+149 °F (-40…+65 °C), IP55 housing (IEC 529);
  -58…+149 °F (-50…+65 °C), vented IP67 housing (IEC 529).
• Process fluid temperature: -40…+302 °F (-40…+150 °C).
• Thermal drift: ±0,4 %/10 °C of range (starting from 68°F – 20°C).
• Working pressure:
  100% of FSV for static pressure;
  90% of FSV for pulsating pressure.
• Over pressure limit: 30% of FSV (max 12 hours).
• Socket material: AISI 316L st.st.
• Bourdon tube, seamless tube: AISI 316L st.st. for pressure ranges up to 20000 psi (0…1000 bar); Duplex st.st for range ≥ 20000 psi (0…1400 bar)
• Case: stainless steel.
• Ring: stainless steel, bayonet lock.
• Blow out disk: stainless steel.
• Window: safety glass (with external zero adjustement on request).
• Movement: stainless steel with internal limit stops.
• Dial: aluminium, white with black markings.
• Pointer: adjustable, aluminium, black.

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