Type 'ROTB' & 'ROTH' Equalizing Sub

Rebco Type 'ROTB' and 'ROTH' Equalizing Subs are to be used with Sub-Surface Controls such as Locking Mandrels. Both Equalizing Subs are identical except the ID is larger in Type 'ROTH' Equalizing Sub.

These Sub-Assemblies are designed to allow pressure differentials to be equalized across the Lock Mandrels and Flow controls before attempting to retrieve them.