PRODUCT CODE 21: BT Circulating Choke Bottom Subs
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Rebco Type 'BT' Circulating Bottom Sub-Assemblies for use in Type 'BF' Landing Nipple are to be used with Lock Mandrels (See Lock Mandrel Section) Type 'ROTW', with 'API' Cross Over Mandrel or Packing Mandrel and Type 'BB' Seal Unit according to the Nominal Size.
Rebco Type 'BT' Circulating Bottom Sub-Assemblies for use in Type 'BR' Landing Nipple are to be used with Lock Mandrels (See Lock Mandrel Section) Type 'ROTZ', with 'API' Cross Over Mandrel or Packing Mandrel and Type 'BB' Seal Unit according to the Nominal Size.