ROTARY TABLES

UPETROM 1MAI S.A. manufactures the complete range of rotary tables covering the modern drilling requirements; thus, their opening values range between 17.1/2 in ( 444.5 mm ) and 49.1/2 in ( 1,257.3 mm ).

The main specifications of the UPETROM-made rotary tables are the following:

  • rectangular-shape cradle simplifying the substructure design and providing optimum working conditions on the working floor;
  • chain or cardan-shaft transmission;
  • latch mechanism for locking the rotor to the right or both directions;
  • splashing lubrication of all bearings and gears;
  • smooth operation of the bevel gearing, whose gears are made of superficially heat-treated high-alloyed steels whose quality provides a long operational life;
  • efficient sealing to mud and oil;
  • rotor sealed by labyrinth flanges and geared-shaft sealed by rubber gaskets;
  • possibility of retrieval for the geared-shaft assembly;
  • dimensions of the square master bushings, square drive bushings and input-shaft head in accordance with the API Spec.7A requirements;
  • axial-radial bearings.
Type OPENING STATIC LOAD RATING INPUT POWER MAX. SPEED
in t sht HP rpm
MRL-495 49.1/2 800 880 1,150 250
MRL-375 37.1/2 650 715 600 250
MRL-275 27.1/2 500 550 600 300
MRL-205 20.1/2 320 350 500 300
MRS-205 20.1/2 320 350 500 300
MRL-175 17.1/2 250 275 350 300
MRS-175 17.1/2 250 275 350 300

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