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Model PG43SA-S Diaphragm Pressure Gauge Flush

Brand: WIKA Instruments
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The model PG43SA pressure gauge has been specifically designed for the requirements of sanitary applications.
Features
  • Safety via mechanical pressure transmission.
  • Case and wetted parts in hygienic design.
  • Suitable for CIP and SIP, optionally completely autoclavable.
  • Simple zero adjustment.
  • High overpressure safety.
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The model PG43SA pressure gauge has been specifically designed for the requirements of sanitary applications.
Features
  • Safety via mechanical pressure transmission.
  • Case and wetted parts in hygienic design.
  • Suitable for CIP and SIP, optionally completely autoclavable.
  • Simple zero adjustment.
  • High overpressure safety.
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Specifications

Brand

Version

  • EN 837-3

Nominal Size in mm

  • 100

Accuracy Class

  • 1.6
  • Option: Dual scale
  • The given scale ranges are also available in kPa and MPa.

Pressure Limitation

  • Steady: Full scale value
  • Fluctuating: Scale range <4 bar: Full scale value, Scale range ≥4 bar: 2/3 x full scale value

Overpressure Safety

  • 2x Full Scale Value, max. 40 bar or max. pressure rating (PN) of the process connection
  • Option: 5x Full Scale Value, max. 40 bar or max. pressure rating (PN) of the process connection

Permissible Temperature

  • Medium: -20 … +150° C
  • CIP and SIP: 150° C continuously for wetted parts
  • Option: Autoclavable, max. 134° C, ≤ 20 minutes
  • Ambient: -20 … +60° C

Temperature Effect

  • When the temperature of the measuring system deviates from the reference temperature (+20° C): max. ±0.5 % / 10 K of Full Scale Value

Ingress Protection Per EN / lEC 60529

  • IP54

Process Connection

  • SMS threaded connection
  • others on request
  • For exact designs and nominal widths see tables from page 4
  • NEUMO BioControl®
  • VARIVENT®
  • Milk thread fitting per DIN 11851
  • Aseptic connection per DIN 11864-1 /-2 /-3
  • Stainless steel 1.4435 (316L), UNS S31603, lower mount
  • Clamp connection per DIN 32676 / ISO 2852

Pressure Element

  • Diaphragm element, welded to the process connection
  • NiCr alloy 2.4668 (Inconel® 718), UNS N07718

Surface Roughness of Wetted Parts

  • Ra ≤ 0.76 μm (30 μin) per ASME BPE SF3
  • Option: Ra ≤ 0.38 μm (15 μin)
  • weld seam: Ra ≤ 0.76 μm (30 μin)
  • Option: Electropolished, Ra ≤ 0.38 μm (15 μin) per ASME BPE SF4, weld seam: Ra ≤ 0.76 μm (30 μin)

Level of Cleanliness of Wetted Parts

  • ASTM G93 level C / ISO 15001 (residual content of non-volatile hydrocarbons ≤ 66 mg/m²)

Movement

  • Stainless steel

Dial

  • Aluminium, white, black lettering

Pointer

  • Aluminium, black

Case

  • Stainless steel 1.4301 (304), electropolished
  • Surface roughness: Ra ≤ 0.76 μm (30 μin), (except for weld seam)

Window

  • Polycarbonate (polysulfone for autoclavable versions)

Ring

  • Crimp ring, stainless steel 1.4301 (304)
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Typical Applications

  • Hygienic pressure measurement in sanitary applications for the pharmaceutical, biotechnology, food and beverage industries
  • Mechanical pressure display on pipelines, fermenters, bioreactors and vessels
  • Pressure/vacuum monitoring during cleaning, sterilisation, pressure testing
  • For gases, compressed air, vapour; liquid, pasty, powdery and crystallising media
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