PFG57 for plaster sprayers

Certificato UKCA
Materials solidi
PFG57 rotary blade level indicator for plaster sprayers

Rotary blade level indicator used for detecting a level threshold, generally full or empty, in a silo or bin. Sturdily built thanks to its aluminum casing and small in size, it is ideal for installation in plaster sprayers.



  • Version designed for use in plaster sprayers.
  • Easy to install:specific tools or settings are not required.
  • Probe can be adapted to the material monitored thanks to the wide range of paddles available.
  • Extremely reliable, the instrument can be used in addition to radar, capacitive, ultrasound or continuous level probes as a safe signal.


Certificato UKCA

UK Conformity

Technical Specifications

  • Casing and cover in die-cast aluminum
  • Shaft in AISI 303 / EN 1.4305 stainless steel on life-lubricated sealed bearings, with dust-tight retaining ring in NBR
  • AC9 paddles in polyamide
  • 1” 1/2 Gas (BSPP) process connection
  • 62 mm hex nut for fastening with 46.04x3.53 mm O-Ring
  • Rotation speed 1 turn / minute
  • Ambient temperature -20° to +70°C (-4° ... +158°F)
  • Process temperature -20° to +70°C (-4° ... +158°F)
  • process pressure 0.8 to 1.1 bar (11.6 to 15.9 psi)
  • Power consumption max 4 W
  • Contact capacity 5A at 250V (AC)
  • Micro switch SPDT output signal

Electrical Specifications

The level indicators are powered by 42V – 50 ... 60Hz (AC).
They come with a 3-pole standard connector, but can be supplied with a 4-pole connector on request.
The indicators are also available in the timed version allowing a 3- to 10-second signal output delay to be set.

Related products

Connection: G 2" 1/2 (BSPP)
Optional: other threads, flange or tri-clamp
Version for corrosive and food products with stainless steel parts in contact with the product.

Connection: G 2" 1/2 (BSPP)
Optional: flange
Version for corrosive products and temperatures up to 200°C. The parts in contact with the product are in stainless steel.

Connection: G 1" 1/2 (BSPP)
Optional: other threads, flange
Thanks to its small size, this instrument is particularly suitable for small tanks or dosing cells.

Spare parts

Complete circuit and gear motor assembled for PFG57 and PFG09

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Spare gear motor for PFG57 and PFG09.

  • Complete with plastic cap.
  • Without return spring.

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