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Type 'ROTF' & 'ROTM' (Top No-Go) Lock Mandrel Sub-Assembly

Rebco Type 'ROTF' and Type 'ROTM' are Top No-Go, Lock Mandrel Sub-Assembly to be set into Type 'BF' and Type 'BJ' Landing nipples, and Type 'BL' Sliding Sleeve.


Type 'ROTF' Lock is basically a Type 'ROTM' Lock Sub-Assembly less the Packing Unit and Packing Mandrel.

  • Type 'ROTF', 'ROTM', 'ROTE', and 'ROTK' Lock Mandrel Sub-Assemblies are devices used to position and secure Wireline retrievable downhole equipment into pre-set Tubing Nipples with appropriate profiles.


  • The Locks provide a large flow areas through internal Fishing Neck. The Latch with Collet type locking fingers prevent upward movement, while No-Go shoulders prevent downward movement.


Rebco Type 'ROTF' and 'ROTM' Lock Mandrel Sub-Assemblies are available in variety of Materials, suitable for down-hole conditions.

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