The Fittings | Check Valve (ø10 mm) is a one-way flow control valve for ø10 mm tubing in VTA wiped-film distillation systems, preventing backflow of process fluids between the feed, evaporator, and collection stages. Precision-engineered for reliable operation under vacuum and elevated temperatures, this OEM check valve maintains the integrity of the product flow path during continuous distillation runs. Compatible with the ø10 mm compression fittings used throughout VTA VKL and VKS series equipment. Sold individually.