B/R Instrument (USA) is the world’s leading manufacturer of fully automated ASTM D1160 vacuum distillation systems. Engineered for precision, reliability, and true hands-free operation, B/R D1160 units deliver accurate boiling-range data and cut-point yields for heavy crudes, residues, and lubricants in refineries and ISO 17025 labs worldwide. Built with glass/PTFE construction, ultra-stable vacuum control to 0.1 mmHg, and rugged American craftsmanship, B/R sets the gold standard for safe, repeatable D1160 performance.