medium-touched metal parts made of gunmetal, for sampling drinking water, determining microbiological and chemical parameters, flammable and rotatable stainless steel discharge elbow, valve body rotatable 360°, operating temperature max. 90 °C, PTFE seat seal, PN 16, suitable for horizontal and vertical installation, no dead space, can be locked with triangular key, suitable for all fittings and screw connections with drain holes (DN 10 for DN 15-50, DN 10 for DN 65-150)