Elemento de inserto para uso com uma alavanda de válvula rotativa, e, parelhos de alavanca e de válvula de controle rotativa

摘要

Rotary valve lever apparatus having removable shaft adaptor inserts are described. An example lever apparatus includes a lever arm to rotatably mount to a stem of an actuator. The lever apparatus also includes a first opening having a first splined inner surface to receive a splined shaft, and a second opening adjacent the first opening and having a second splined inner surface to receive at least a portion of an insert member having a splined outer surface.