Oil level indicators in oil tanks, gearboxes and general machinery. The transparent component, the high density polyamide, is impervious to oil, gasoline, lubricants, and most petroleum solvents. Technical tables of chemical resistance are available on request. Avoid contact with alcohol, ethanol, methanol, and fluids with a high concentration of glycol. SG Series - High Density Polyamide Materials of construction: PolyamideSeal: Asbestos free gasketMax. Temperature: 100CMax. Pressure: 3 bar (43 psi) The units are fitted with a contrast screen which gives clearer oil level indication. Models: SG-08 BSPPSG-12 BSPPSG-16 1 BSPPSG-20 1 BSPPSG-24 1 BSPPSGA Series - Aluminium Body with a Polyamide Window Materials of construction: Aluminium 11S bodyPolyamide windowSeal: Asbestos free gasketMax. Temperature: 100CMax. Pressure: 10 bar (145 psi) The units have a contrast screen which gives a clearer indication of the oil level. Models:SGA-08 BSPPSGA-12 BSPPSGA-16 1 BSPPSGA-20 1 BSPPMain properties:High tensile strengthSturdy constructionSuperior abrasion resistanceUser friendly design.