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
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.
How to Measure Tri-Clamp Fittings
Tri-Clamp Fittings and Gasket Sizing Guide
| Sanitary Size |
Flange OD (?) |
Tube ID (?) |
Tube OD (?) |
|---|---|---|---|
| 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 |
Looking for even more information on Tri-Clamp fittings?
We have everything you need. Read "The Ultimate Guide to Tri-Clamp Fittings"
Additional information
Line Drawings
| SKU | Description | Line Drawing |
|---|---|---|
| 31WMP-.75X.50-316 | 3/4″ x 1/2″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-1.5X.50-316 | 1 1/2″ x 1/2″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-1.5X.75-304 | 1 1/2″ x 3/4″, 5/8″ OAL (Tapered), 304 |
|
| 31WMP-1.5X.75-316 | 1 1/2″ x 3/4″, 5/8″ OAL (Tapered), 316 |
|
| 31WMP-1.5X1-316 | 1 1/2″ x 1″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-1X.50-316 | 1″ x 1/2″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-1X.75-316 | 1″ x 3/4″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-2.5X2-304 | 2 1/2″ x 2″, 1/2″ OAL (Tapered), 304 |
|
| 31WMP-2.5X2-316 | 2 1/2″ x 2″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-2X1-304 | 2″ x 1″, 1/2″ OAL (Tapered), 304 |
|
| 31WMP-2X1-316 | 2″ x 1″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-2X1.5-304 | 2″ x 1 1/2″, 1/2″ OAL (Tapered), 304 |
|
| 31WMP-2X1.5-316 | 2″ x 1 1/2″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-3X2-304 | 3″ x 2″, 1/2″ OAL (Tapered), 304 |
|
| 31WMP-3X2-316 | 3″ x 2″, 1/2″ OAL (Tapered), 316 |
|
| 31WMP-4X2-316 | 3/4″ x 1/2″, 1/2″ OAL (Straight), 316 |
|
| 31WMP-4X3-304 | 4″ x 3″, 5/8″ OAL (Tapered), 304 |
|
| 31WMP-4X3-316 | 4″ x 3″, 5/8″ OAL (Tapered), 316 |
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