Stem Extensions Stem extensions are an ideal solution for underground or below-level valve access. With this Manual Valve Accessory, it is unnecessary to enter valve pits, manholes, or other strenuous locations. Chainwheels Chainwheels are installed on handwheel operators of valves or gears and come with specified lengths of chains.. The 'CL' Series allows for safe and controlled access to valves that are in awkward or difficult situations. They can be installed in minutes and are an easy and inexpensive way of ensuring both employee safety and effective valve operation.
Babbitt Chainwheels is the leading manufacturer of manually operated overhead valve actuators (chainwheels) worldwide. Babbitt chainwheels with chain guides operate valves in high, normally out-of-reach locations easily and economically.. Trumbull Chainwheels Used to operate overhead valves from the floor Chainwheels allow operation of valves in high, hard-to-reach locations by means of a slight pull on the chain.