The Model 6000 Double Lock (DL) Multiplace Hyperbaric Chamber by Tekna is a two‑compartment, 60‑inch (152 cm) internal diameter facility engineered for both safety and operational efficiency. It meets ASME PVHO‑1 and National Board standards, is FDA 510(k) cleared, and complies with NFPA‑99‑2015. The main lock seats five patients plus an attendant, while an entry lock accommodates an additional patient and attendant—enabling safe access while the main chamber remains pressurized. Standard features include fiber‑optic LED lighting, a medical air compressor package, and a deluge plus hand‑line fire suppression system. Optional upgrades include 6 ATA service, a stretch configuration, environmental control unit (ECU), medical service lock, patient handling system, bunks, and a detached control console. Facilities report that Tekna’s Model 6000 DL chambers are workhorses—durable, reliable, and praised for their comfort.