Hengesbach L Vibration Level Fork Liquitec series consists of liquid level switches for use in an EX-free operating environment.
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
Features:
- short fork for minimum installation depth
- continuous operating temperature of up to 150°C and 100 bar gauge pressure
- 24 V DC PnP transistor output for connection to sps / pls
- standardised version and hygienic design suitable for food and pharmaceuticals
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Specification:
| 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 | |
Download Data Sheet: Vibration Level Fork Liquitec L
Ref: hengesbach.com
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