Leakage Control Systems LS050 (Plan 65) The EagleBurgmann leakage control systems of the LS050 range in accordance with API Plan 65 consist of a leakage collection tank with integrated orifice and overflow pipe along with two shut-off valves. The level can be monitored with the a level switch. Circulation in accordance with API 682 / ISO 21049: Plan 65 Contact Us Enquire Now