Transparent, with steel spiral, generally resistant to most highly diluted acids and alkalis and to salt solutions, limited resistance to oil (when used for short periods), electrically conductive only via M 8 erathing connection with unloseable wing nuts made of stainless steel, temperature resistant from -10° C to +60° C, bolt-together coupling collars with stainless-steel half-round sections.
DN 50 with stainless steel tank wagon couplings. At one end female coupling 50 sealing-ring piece with VITON seal - from GSD. At other end a male coupling 50 curved piece.
Weight: 12.5 kg