PRODUCT CODE 10: ROTZ-1 and ROTZ-2 LOCK MANDRELS For LANDING NIPPLES.
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Rebco Type 'ROTZ-1' and 'ROTZ-2' Lock Mandrel Sub-Assembly is a Bottom No-Go, Non Flowing Lock. Lock Mandrel Sub-Assembly has Locks (Dogs) facing up which prevent upward movement, but depends on accessory No-Go shoulder to prevent the Lock Mandrel from downward movement. The Lock Mandrel can be used in a Bottom No-Go type Nipple only.