SWIVELS

UPETROM 1 MAI S.A. manufactures a series of swivels whose static load values range between 32 t ( 35 sht ) and 680 t ( 750 sht ). The above specified swivels are highly advantageous from several points of view, such as:

  • long life provided by the quality of the materials and the heat-treatment cycles;
  • a main axial taper-roller bearing that overtakes heavy loads and has reduced dimensions;
  • the wash pipe sealing system can be laterally taken out and provides quick replacement of the wash pipe and seals when they get warm;
  • the swivels are delivered with subs for connection with the kellies.
Type Max. Static Load API Bearing Load Max. Pressure Threaded Connection Sizes
t sht t sht bar psi Goose-Neck Sub
CH-750S 680 750 431 475 350 10,000 2. 3/8 TE 8.5/8 Reg
CH-650 650 715 431 475 350 4,570 4 LP 6.5/8 Reg LH
CH-500 500 551 365 402 350 4,570
CH-400 400 441 210 232 300 4,285
CH-320 320 353 153 169 300 4,285
CH-200 200 221 108 119 210 3,000
CH-125 125 138 85 94 210 3,000 TEI-90 3LP RS3 6.5/8N st
CH-80 80 88 77 85 210 3,000
CH-50 H 50 55 140 2,000 3LP 3.1/2REG LH
CH-32 32 35 24.7 27.2 140 2,000 4.1/2REG LH

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