TERMIUM Plus®

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CROWN-O-MATIC [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1999-11-03

English

Subject field(s)
  • Equipment (Oil and Natural Gas Extraction)
  • Mining Equipment and Tools
OBS

The brand name of a special air-relay valve mounted near the crown that, when struck by the traveling block, sends air pressure to the air brakes of the drawworks, thereby preventing the traveling block from striking the crown.

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
  • Outillage et équipement (Exploitation minière)

Spanish

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