Hengesbach L Vibration Level Fork Liquitec

Hengesbach L Vibration Level Fork Liquitec series consists of liquid level switches for use in an EX-free operating environment.

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Hengesbach L Vibration Application:

Liquitec Standard with GIB threaded connection and welding socket, with O-ring seal, fork polishing optional
Liquitec L Hygienic version with Tri-Clamp 2“, parts in contact with the medium have been polished

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Application & Installation
	For use in most liquids, including viscous and effervescent liquids and slurries.
	Installation in any position in containers and pipes in the EX-free area with 1“ threads
Construction
Housing:	Stainless steel 304
	LED window: Flame-retarding polycarbonate
Process connection	Liquitec series:
	G1B threaded connection
	O-ring seal (EPDM, for zem / Liquitec),
	or flat seal (NBR, for hexagonal)
	Liquitec L series:
	Tri-Clamp 2″ according to ISO 228,
	Parts in contact with the medium have been mirror-finished (standard)
Parts in contact with the medium:	Cr Ni St 1.4404, 316 L
Electrical connection	Polyamide cable socket, glassfibre-reinforced
Plug seal:	Nitrile butadiene rubber
Type of protection	IP 66/67 according to EN 60529
Operating conditions
Temperature of medium:	-40ºC to +150ºC
Environmental temperature	-40ºC to + 80ºC (+50ºC at +150ºC on medium side)
Pressure range:	-0.25 bar to +100 bar at +50ºC
Specific weight:	0.6 to 2.0 viscosity range 0.2 to 10,000 cP
Switch point (water):	13 mm from tip (vertical) and from edge (horizontal) of fork
Hysteresis (water): +/- 1mm, nom. switching delay 1s dry / wet and wet / dry
Norms / regulations
CE conformity conditions have been fulfilled
EN 61326 Low-voltage guideline EN 61010-1 Pollution level 2,
Requirements according to EN 50081 (emission) / EN 50082-2 (immission),
Insulation material group II (264 max) and III (150 V max) conditions have been adhered to