Product material Lead-free silicon bronze (CuZn21Si3P) Click on an application purpose to search more products For cold and hot potable water For cooling and heating water without antifreeze agent For cooling and heating water with antifreeze agent For chemicals and technical liquids For compressed air (oil purity class 0–3) For negative pressure For inert gases (e.g. nitrogen) For copper pipes, rough, nickel-plated or chrome-plated For technical building systems, industry and shipbuilding Application overview – Geberit FlowFit Click on a characteristic to search more products Pressing indicator Leaky if unpressed Lead-free O-ring made of EPDM Pressing connector with transparent protective cap Clamping ring union DN: 12 / 10 d, ø: 16 mm d1, ø: 12 mm L: 5.8 cm l: 1.7 cm Z: 0.8 cm