DescriptionPolypropylene based (PP) technopolymer, black colour, matte finish.Axis and rotor propellerPolypropylene based (PP) technopolymer, red colour.Tubular windowBorosilicate glass, high-resistance, also suitable for use with glycol-based solutions.Maximum visibility of the flow from all angles.Tie rodsAISI 316L stainless steel.Screws and nuts Zinc-plated steel.Standard executionsCylindrical gas threading according to UNI ISO 228/1 or conical gas NPT – ANSI-ASME B1-20.HVF.: brass bosses and NBR synthetic rubber gasket.HVF-SST: AISI 316 stainless steel bosses and packing ring in VITON®*.Maximum continuous working temperature 100° C.
