What is the ZAVA® Seal-Ring

Here Comes the ZAVA® Seal-Ring “At last” – that’s the reaction of those who have been plagued by the constant need to change rubber seals on VFA and CCA filters at pulp plants all over the world. As an electrician at SCA Pulp in Sundsvall, Frans Sramek is the man that has solved this well-known, … Continue reading What is the ZAVA® Seal-Ring