Tri-Clamp Reducing Ferrules (31WMP)

  • Sanitary Clamp Reducing Ferrules
  • Available in 304 & 316L alloy stainless steel
  • Stamped with Heat Lot Number
  • 3-A Sanitary Standards for Sanitary Fittings, Number 63-03
  • View Sizes and Dimensions
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Description

Reducing butt-weld tri-clamp ferrules connect sanitary process lines with tri-clamp, weld ends of different sizes.

Stainless steel design is offered in both 304 and 316L alloy options.  Sizes for this product range from 1/2 inch all the way up to 12 inches.  For joining clamp fittings to welded ends.  Orbital weld is recommended to ensure proper connectivity, tri-clamp connections finish this process line. Recommended products include clamp gaskets and single-pin, heavy duty clamps. Material Test Reports (MTRs) Available upon request.

Reducing Weld Clamp Ferrules Part Numbers & Dimensions

Reducing Clamp x Weld Ferrule Dimensions
Size (Tube OD) Part Number Dimensions Line Drawing
304 316L A
3/4" x 1/2" 31WMP-.75x.50-304 31WMP-.75x.50-316 .500
1" x 1/2" 31WMP-1x.50-304 31WMP-1x.50-316 .500
1" x 3/4" 31WMP-1x.75-304 31WMP-1x.75-316 .500
1 1/2 x 1/2 31WMP-1.5x.50-304 31WMP-1.5x.50-316 .500 Request Drawing
1 1/2" x 3/4" 31WMP-1.5x.75-304 31WMP-1.5x.75-316 .625
1 1/2" x 1" 31WMP-1.5x1-304 31WMP-1.5x1-316 .500 Request Drawing
2" x 1" 31WMP-2x1-304 31WMP-2x1-316 .500 Request Drawing
2" x 1 1/2" 31WMP-2x1.5-304 31WMP-2x1.5-316 .500
2 1/2" x 2" 31WMP-2.5x2-304 31WMP-2.5x2-316 .500
3" x 2" 31WMP-3x2-304 31WMP-3x2-316 .500
4" x 2" 31WMP-4x2-304 31WMP-4x2-316 .625
4" x 3" 31WMP-4x3-304 31WMP-4x3-316 .625

Watch How to Measure Tri-Clamp Fittings

Tri-Clamp Fittings and Gasket Sizing Guide

Sanitary Fitting Dimensions
Sanitary Size OD of Flange End ID of Tube OD of Tube
1/2″ 0.992 0.370 0.500
3/4″ 0.992 0.620 0.750
1″ 1.984 0.870 1.000
1 1/2″ 1.984 1.370 1.500
2″ 2.516 1.870 2.000
2 1/2″ 3.047 2.370 2.500
3″ 3.579 2.870 3.000
4″ 4.682 3.834 4.000
6″ 6.562 5.782 6.000
8″ 8.602 7.782 8.000
10″ 10.570 9.782 10.000
12″ 12.570 11.760 12.000

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