B&K threaded packing gland locking ball valve. 600 psi WOG (water oil gas)/150 WSP (working steam pressure). -20 F to 300 F (degrees Fahrenheit) temperature range. Full port for maximum flow rate. Blowout-proof stem design, PTFE seat and packing, chrome-plated brass ball and stem. Rust-resistant heavy-duty lever handle with vinyl grip. CSA Certified to ASME B16.33 (5G) – CSA Certified to ASME B16.44 (125G). FM Approved Fire protection. Thread ends comply with ANSI B1.20.1. IAPMO listed to cUPC, Certified to NSF 61-G.