
STAUFF Level Gauges SNK 
Visual / electrical fluid level indication in hydraulic reservoirs with maximum tank pressures not exceeding 2 bar / 29 PSI
Nominal Sizes and Designs
▪ 5 nominal sizes from 127 mm / 5.00 in to 305 mm / 12.00 in
▪ Display either undivided (SNK 127 … 176) or subdivided by strut(s) into 2 (SNK 254) or 3 sections (SNK 305)
Media Compatibility
▪ Suitable for use with Mineral and Petroleum based hydraulic fluids (HL and HLP)
Materials
▪ Housing made of Aluminium, black powder coating
▪ Sight tube and plugs made of Polyamide (PA)
▪ Float made of Polyamide (PA)
▪ Sealings made of FPM (Viton®)
Special sight tube materials for improved UV or chemical resistance and use with special media (such as bio-degradable fluids, diesel oils, gasolines, etc.) as well as special sealing materials are available on request.
Electrical Specifications
▪ Magnetic float activates switch when fluid level drops below contact level within 60 mm / 2.36 in of lower banjo bolt
▪ Available as a break contact (normally closed) or make contact (normally open)
Technical Data
▪ IP 65 protection rating: Dust tight and protected against water jets (IP 67 on request)
▪ Operating temperature range: -30 °C … +80 °C / -22 °F … +176 °F
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