The Fittings | Bypass Connector (ø8 mm) is a ø8 mm stainless steel straight union fitting used to bypass the overflow check valve on VTA VKL 70-5 / VKL 75 wiped-film distillation systems. Installed in place of the overflow valve during specific process configurations, it provides an unrestricted process path while maintaining a vacuum-tight connection. Precision-machined for compatibility with VTA ø8 mm compression tube fittings. An OEM replacement part for VTA wiped-film distillation systems.