Parker PR Series Plug Valves provide positive leak tight shut-off, high flow capacity, and quick quarter-turn operation in a compact attractive package. The patented blow-out resistant seat design offers reliable sealing technology at all operating pressures. In addition to on-off actuation, the plug design allows forward flow throttling. The pressure balanced atmospheric seals are backed by PTFE rings to enhance their performance and increase cycle life. Pressures up to 3000 psig (207 bar) CWP. Fluorocarbon rubber seats and seals. Low operating torque. Minimum pressure drop. Throttling capability. Positive handle stops. Color coded fracture resistant nylon handles with directional flow indication. Easy to service. 100 percent factory tested. ANSI/ASME B1.20.1 external pipe threads.