2-way stopcock with straight bore and two connections or 3-way stopcock with T-shaped bore and three connections, with nuts made of glass-fibre reinforced PTFE for connecting tubing or tube.
Conical stopcock plug, tightness is increased by turning the nut on the lower side.
3-way stopcock plug with T-shaped mark of flow direction.
Universal chemical resistance, the flowing product is only exposed to PTFE.