Blog New pig change station Article New pig change station By I.S.T. Molchtechnik GmbH on 26.11.2021 Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp Share on Telegram Share via Email Share link Check icon Close This pig change station ensures a safe pig change and a safe separation of the change chamber from the product pipe. Regarding operator safety several locking mechanisms are provided to prevent unintentional removal of the pig.