Product material CrNiMo steel 1.4401 (EN 10088) 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 district heating water ≤ 120 °C For saturated steam ≤ 120 °C For service water and process water For treated water For grey and black water with pH value > 6.0 For extinguishing water (wet) For extinguishing water (wet/dry, dry) For sprinklers (wet) For chemicals and technical liquids For compressed air (oil purity class 0–3) For negative pressure For inert gases (e.g. nitrogen) For industrial gases (e.g. acetylene, shielding gases) For technical building systems, industry and shipbuilding Application overview – Geberit Mapress Stainless Steel for liquid media Application overview – Geberit Mapress Stainless Steel for gaseous media Click on a characteristic to search more products Pressing indicator Leaky if unpressed Seal ring made of CIIR, black DN: 20 / 12 d, ø: 22 mm d1, ø: 15 mm d2, ø: 22 mm arc: 90 ° L: 7.4 cm L1: 4.3 cm l: 3.7 cm l2: 3.7 cm Z: 1.6 cm Z1: 2.3 cm Z2: 1.6 cm