Polígono Ind. Malpica. Zaragoza, SPAIN
steel couplings RG Series
August 13, 2025

STAINLESS STEEL FLEXIBLE COUPLINGS

RG SERIES

0-25,000 Nm

DESCRIPTION
  • Torsion-flexible claw couplings with a compact and lightweight design. Forged steel guarantees a long service life and excellent performance.
  • The couplings feature a nickel surface treatment, which provides protection against corrosion.
  • For the same Spider size, all series are interchangeable, offering great versatility for any application.
FEATURES
  • Rigid, precision couplings
  • Designed for applications requiring high power transmission

TECHNICAL SPECIFICATIONS

  • Material: 316L Stainless Steel
  • ATEX version available: T4- Blue Spider and T6- Other Spiders
  • Possibility to be mechanized according to drawing
  • Dimension K: Clearance between bushings required for disassembly of center part
  • Screw Quality 12.9
  • Dimensions in mm

Technical data sheet for spiders here

REFERENCE MAXIMUM Ø AXES Nominal Torque (Nm) MAX R.P.M. P A G I No. screws Tightening torque (Nm) Weight (kg)
INOX RG-50 20 95 12.000 52 50 28 22 4-M6 18 0,4
INOX RG-60 24 120 11.000 66 60 36 28 4-M6 18 0,7
INOX RG-75 32 270 9.500 85 75 47 37 4-M8 42 1,5
INOX RG-90 45 320 8.000 104 90 60 46 4-M8 42 2,8
INOX RG-105 55 600 7.000 122 105 70 53 4-M10 85 4
INOX RG-120 60 700 6.000 140 120 80 60 4-M10 85 6
INOX RG-135 70 1.200 5.500 160 135 90 70 6-M10 85 9
INOX RG-150 75 1.400 4.500 180 150 100 78 6-M10 85 13
INOX RG-175 85 2.200 4.000 206 175 115 90 8-M10 85 18,5
INOX RG-200 100 3.500 3.500 230 200 130 100 8-M12 145 26
INOX RG-245 150 6.500 3.000 300 245 170 130 8-M14 250 58
INOX RG-300 150 14.500 2.300 340 300 200 150 12-M16 370 98
INOX RG-350 150 25.000 2.000 370 350 250 160 16-M16 370 160

NOTE: For each of the stars, the Maximum Working Torque is 2 times the Nominal Torque specified in the table.

NOTE: These couplings are designed with a safety factor of 2 at the Nominal Torque.