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PFGLP22 float level indicator for liquids

Float level switch. Takes advantage of the buoyancy principle. Movement of the float is transmitted to a magnet which switches a signal micro switch. The float and casing are separated by a hermetic stainless steel barrier. Does not require a power supply to operate.



  • Ideal for use in contact with corrosive materials or food products.
  • Easy to install: specific tools or settings are not required.
  • Enhanced protection level in the presence of explosive dusts/powders and gas.


Certificato ATEX

II 3 D Ex tc IIIB T135°C Dc

Certificato Alimentari

Safe for food contact

Certificato UKCA

UK Conformity

Technical Specifications

  • Casing and cover in die-cast aluminium
  • AISI 303 / EN 1.4305 threaded process connection
  • Float and rod in AISI 316 / EN 1.4435
  • 2" Gas (BSPP) process connection and single cable entry
  • Ambient temperature -10° to +100°C (14° ... +212°F)
  • Process temperature -10° to +100°C (14° ... +212°F)
  • Max process pressure 25 bar (362.6 psi)
  • IP65 protection rating (dustproof, protection against water jets)
  • Contact capacity 10A at 250V (AC)
  • Micro switch SPDT output signal

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Connection: flange
Explosion-proof, with DN40 standard flange and all parts in contact with the product made of stainless steel.

Connection: G 1" 1/2 (BSPP)
Monitoring capacity on two independent levels, with adjustable sensitivity (minimum 5μS/cm).

Connection: G 3/8 (BSPP)
Entirely made of stainless steel. Monitors three independent levels in very tight spaces. Power supply not required. 

Spare parts

Threaded sleeves

Stainless steel sleeve with G 2" internal thread.

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Protective neoprene bellows.
For temperatures from -10 ° to + 100 ° C.

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