Polígono Ind. Malpica. Zaragoza, SPAIN
XBRI Series steel couplings
March 21, 2025
XPR Series steel couplings
March 21, 2025

FORGED STEEL FLEXIBLE COUPLINGS

PR SERIES

0-16.900 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
  • Flexible Spider-shaped torque couplings with flange connection on both sides
  • Custom-made screw fastening system
  • Allows radial disassembly without moving the driving or driven part

TECHNICAL SPECIFICATIONS

  • Material: Forged Steel
  • Surface Treatment: Nickel Coating
  • ATEX version available: T4- Blue Spider and T6- Other Spiders
  • Possibility to be mechanized according to drawing
  • Dimensions in mm

Technical data sheet for spiders here

Nominal torque (Nm)
REFERENCE SPIDER A x B Ø Inside Star SPIDER 85º ShA SPIDER 90º ShA SPIDER 92º ShA SPIDER 96º ShA SPIDER 98º ShA SPIDER 64º ShD R.P.M MAX P H Peso (kg)
PR-75 75x16 31 80 80 100 - 170 210 9.500 27 23 0,6
PR-90 90x20 37 160 160 210 - 370 460 8.000 32 23 0,95
PR-105 105x20 49 270 270 310 - 525 650 7.000 36 23 1,5
PR-120 120x20 47 400 400 420 - 695 860 6.000 38 23 2,2
PR-135 135x25 55 650 650 670 - 975 1.220 5.500 43 23 3,3
PR-150 150x28 63 900 900 1.050 - 1.575 1.950 4.500 48 23 4,5
PR-175 175x32 67 1.350 1.350 1.450 - 2.175 2.750 4.000 56 23 6,9
PR-200/35 200x35 71 1.900 1.900 2.400 - 3.600 3.400 3.500 61 23 10
PR-200/40 200x40 100 3.050 3.050 3.300 4.125 - - 3.500 70 23 9,3
PR-245 245x40 120 - 4.890 5.000 6.250 - - 3.000 80 23 17,5
PR-300 350x50 168 - 7.900 8.500 10.700 - - 2.300 96 23 28,5
PR-350 350x55 175 - 12.000 13.500 16.900 - - 2.000 105 23 47

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