MFS Range

The MFS range of mechanical flange spreaders comprises of 6 models, each offering a safe and economical way to open flanges without the risk of sparks. The threaded spindle can be operated using a standard spanner, allowing the user to apply a controlled force without damaging the flange. Due to the mechanical design of these flange spreaders, no external power source is needed and therefore, they can be used anywhere on-site.

  • Suitable for bolt diameters up to 1 1/4"
  • Maximum spread 9.1 inches
  • No external power source required
  • Manually operated mechanical feed screw design
  • Capable of opening flanges up to 2 x 3 3/4" thickness
  • High grade steel construction with high tensile cross bolt
  • Case hardened spreading wedge

Mechanice Flange Spreaders
Model Number Pin Diameter Min Flange Bolt Hole diameter Maximum flange thickness Weight lbs
inch mm inch mm
MFS16 5/8" 16 11/16" 2 x 7/8" 2 x 22 4.9
MFS19 3/4" 19 13/16" 2 x 1 3/8" 2 x 35 6.0
MFS22 7/8" 22 15/16" 2 x 1 13/16" 2 x 47 9.0
MFS25 1" 25 1" 2 x 2 7/16" 2 x 62 14.1
MFS28 1 1/8" 28 1 1/8" 2 x 2 3/4" 2 x 70 18.1
MFS31 1 1/4" 31 1 1/4" 2 x 3 3/4" 2 x 95 21.2

Model Number Dimensions in inch
A B max C min C max D E F
MFS16 0.99 1.1 7.29 9.14 1.58 0.99 2.76
MFS19 1.18 1.97 7.29 10.01 1.97 0.99 3.74
MFS22 1.18 1.97 9.73 12.53 1.97 1.18 4.89
MFS25 1.18 3.35 9.73 13.91 1.97 1.18 6.11
MFS28 1.18 3.15 10.84 15.05 2.36 1.58 7.13
MFS31 1.26 3.31 10.84 15.17 2.36 1.58 9.1