Top Loading railcars and trucks continue to provide an efficient and cost effective method to load and unload in many situations.
A loading system should have sufficient horizontal range to reach the farthest compartment without re-spotting the vehicle. Sufficient vertical movement and drop-pipe lengths to service vehicles of varying heights is also necessary. A properly designed top loading system can achieve this requirement. Top loading arms can also be used for tight-fill and vapor recovery applications when used with specially designed and engineered components, such as vapor plates, tapered hatch plugs, and inflatable hatch seals.
Special top loading arm designs can also be supplied with a wide range of valves, fittings, and instrumentation equipment.