Mix-proof valve N9

discpneumaticshut-off

RIEGER offers as a special on the market this variant of the double seat bottom seat valve, in addition, the function of a changeover valve is realized. The advantage over the usual pass dual seat bottom seat valves is that the pipeline during filling or emptying of the tank is not filled. The pipeline is open only to the tank to be filled. Thus, an additional risk of contamination is avoided by otherwise necessary shut-off valves. - with machined weld-in flange or separate weld-in flange or weld-end to tank - also available with only one port at valve body - one-piece solid valve body - no welding distortion - water hammer safe up to 20 bar - balanced valve disk - low control air consumption - balanced valve disk - low control air consumption - standard actuator with seat lift function - service possible without air supply - valve seat removable from the bottom - radial sealing of both valve seats - only 4 gaskets in the product area - maintenance without special tools - stainless steel contact with product 316L - inner surface Ra ≤ 0,8 µm (standard) - sealing against 4 bar tank pressure - also available in 3-A version Dimensions: - DN 40 – DN 100 - 1,5" – 4" Recommended Bürkert control tops for aseptic valves with 24 V DC or ASI bus Contactless position with three switching points (teach-in function) with 3 internal feedback sensors, 1 output for external feedback (external feedback not included).