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PFGLP 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.
  • High standard of safety in the presence of potentially explosive dusts/powders and gas


Certificato ATEX

II 2GD Ex d IIB T4 Ex tD A21 IP65 T135°C

Certificato Alimentari

Safe for food contact

Certificato UKCA

UK Conformity

Technical characteristics

  • Casing and cover in die-cast aluminium
  • AISI 304L / EN 1.4307 flanged process connection
  • Float and rod in AISI 316 / EN 1.4435
  • Process connection via DN40 flange
  • Ambient temperature -10° ÷ +100°C (14° ... +212°F)
  • Ambient temperature -10° ÷ +100°C (14° ... +212°F)
  • Max process temperature 25 bar (362,6 psi)
  • IP65 protection rating (dustproof, protection against water jets)
  • Contact capacity 10A at 250V (AC)
  • Micro switch SPDT output signal

Related products

Connection: G 2" (BSPP)
Optional: flange
Withstands up to 100 degrees. The parts of the sensor in contact with the product are 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


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

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