Tri-Clamp Reducing Ferrules (31WMP)

  • Sanitary Tri-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 PDF
1" x 1/2" 31WMP-1x.50-304 31WMP-1x.50-316 .500 PDF
1" x 3/4" 31WMP-1x.75-304 31WMP-1x.75-316 .500 PDF
1 1/2 x 1/2 31WMP-1.5x.50-304 31WMP-1.5x.50-316 .500 PDF
1 1/2" x 3/4" 31WMP-1.5x.75-304 31WMP-1.5x.75-316 .625 PDF
1 1/2" x 1" 31WMP-1.5x1-304 31WMP-1.5x1-316 .500 PDF
2" x 1" 31WMP-2x1-304 31WMP-2x1-316 .500 PDF
2" x 1 1/2" 31WMP-2x1.5-304 31WMP-2x1.5-316 .500 PDF
2 1/2" x 2" 31WMP-2.5x2-304 31WMP-2.5x2-316 .500 PDF
3" x 2" 31WMP-3x2-304 31WMP-3x2-316 .500 PDF
4" x 2" 31WMP-4x2-304 31WMP-4x2-316 .625 PDF
4" x 3" 31WMP-4x3-304 31WMP-4x3-316 .625 PDF

Watch How to Measure Tri-Clamp Fittings

Tri-Clamp Fittings and Gasket Sizing Guide

Sanitary Fitting Dimensions
Sanitary Size Flange OD ( ? ) ID of Tube ( ? ) OD of Tube ( ? )
1/2″ 0.984 0.370 0.500
3/4″ 0.984 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

Frequently Asked Questions

Read our guide to Frequently Asked Questions about Tri-Clamp Fittings

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