For heating water
For cooling water without antifreeze agent
For cooling water with antifreeze agent
For remote network heating water ≤ 120 °C
For extinguishing water (wet)
For sprinklers (wet)
For compressed air (oil purity class 3)
For inert gases (e.g. nitrogen)
For technical building systems, industry and shipbuilding
Pressing indicator
Leaky if unpressed
Outside zinc-plated
Seal ring made of CIIR, black
Pressing socket with transparent protection plug