A pipe sealing apparatus, such as a split sleeve clamp, has a body including a first body portion and a second body portion. Each body portion includes axially extending flanges having bores for receiving bolts and nuts to secure the body portions together. The apparatus includes a seal arrangement, a lock arrangement, and an actuation arrangement including an actuation member configured to both actuate the seal arrangement and activate the lock arrangement. The lock arrangement is carried by the actuation member of the actuation arrangement.