SKUs available on this product page

31W-.75X.25-1-316, 31W-.50X.25X1-1-316-M, 31W-3X1.5-1-316, 31W-3X1.5-1-304, 31W-3X1-1-304, 31W-2.5X2-1-316, 31W-2.5X2-1-304, 31W-2.5X1.5-1-316, 31W-2.5X1.5-1-304, 31W-2X1.5-1-316, 31W-2X1.5-1-304, 31W-2X1-1-316, 31W-2X1-1-304, 31W-2X.75-1-316, 31W-2X.50-1-316, 31W-1.5X1-1-316, 31W-1.5X1-1-304, 31W-1.5X.75-1-316, 31W-1.5X.50-1-316, 31W-1X.75-1-316, 31W-8X6-1-316, 31W-8X6-1-304, 31W-8X4-1-316, 31W-8X4-1-304, 31W-8X3-1-316, 31W-8X3-1-304, 31W-6X4-1-316, 31W-6X4-1-304, 31W-6X3-1-316, 31W-6X3-1-304, 31W-6X2-1-316, 31W-6X2-1-304, 31W-4X3-1-316, 31W-4X3-1-304, 31W-4X2.5-1-316, 31W-4X2.5-1-304, 31W-4X2-1-316, 31W-4X2-1-304, 31W-4X1.5-1-316, 31W-4X1.5-1-304, 31W-4X1-1-316, 31W-4X1-1-304, 31W-3X2.5-1-316, 31W-3X2.5-1-304, 31W-3X2-1-316, 31W-3X2-1-304, 31W-3X1-1-316, 31W-1X.50-1-316, 31W-.75X.50-1-316,

Butt-Weld Concentric Reducers – Unpolished (31W)

  • Unpolished Sanitary Butt-Weld Concentric Reducers
  • Available in 304 & 316L Stainless Steel
  • Meets 3-A Standards for sanitary-grade line process equipment
  • Surface Finish: n/a
  • See Polished Version
  • View Sizes & Dimensions
Quantity - +

Unpolished sanitary butt-weld concentric reducer connects stainless steel tubes of alternate sizes

The Concentric Reducer is available in both 304 & 316L stainless steel alloys.  Butt-weld ends to accommodate the joining of two separate tube lines of different sizes.  Stainless steel material is resistant to corrosion and can withstand high temperatures.  This product is manufactured in accordance with 3A standards for process line applications including food & beverage industries.

Butt-Weld Concentric Reducer Dimensions
Size
(Tube OD)
Part Number Dimensions
304L 316L A B C Wall
3/4" x 1/2" -- 31W-.75X.50-1-316 1.000 0.750 0.500 0.065
1" x 1/2" -- 31W-1X.50-1-316 2.000 1.000 0.500 0.065
1   " x 3/4" -- 31W-1X.75-1-316 1.000 1.000 0.750 0.065
1-1/2" x 1/2" -- 31W-1.5X.50-1-316 4.000 1.500 0.500 0.065
1-1/2" x 3/4" -- 31W-1.5X.75-1-316 3.000 1.500 0.750 0.065
1-1/2" x 1   " 31W-1.5X1-1-304 31W-1.5X1-1-316 2.000 1.500 1.000 0.065
2" x 1/2" 31W-2X.50-1-304 31W-2X.50-1-316 6.000 2.000 0.500 0.065
2" x 3/4" 31W-2X.75-1-304 31W-2X.75-1-316 5.000 2.000 0.750 0.065
2   " x 1   " 31W-2X1-1-304 31W-2X1-1-316 4.000 2.000 1.000 0.065
2   " x 1-1/2" 31W-2X1.5-1-304 31W-2X1.5-1-316 2.000 2.000 1.500 0.065
2-1/2" x 1" 31W-2.5X1-1-304 31W-2.5X1-1-316 6.000 2.500 1.000 0.065
2-1/2" x 1-1/2" 31W-2.5X1.5-1-304 31W-2.5X1.5-1-316 4.000 2.500 1.500 0.065
2-1/2" x 2   " 31W-2.5X2-1-304 31W-2.5X2-1-316 2.000 2.500 2.000 0.065
3   " x 1   " 31W-3X1-1-304 31W-3X1-1-316 8.000 3.000 1.000 0.065
3   " x 1-1/2" 31W-3X2-1-304 31W-3X1.5-1-316 6.000 3.000 1.500 0.065
3   " x 2   " 31W-3X2-1-304 31W-3X2-1-316 4.000 3.000 2.000 0.065
3   " x 2-1/2" 31W-3X2.5-1-304 31W-3X2.5-1-316 2.000 3.000 2.500 0.065
4   " x 1   " 31W-4X1-1-304 31W-4X1-1-316 12.000 4.000 1.000 0.083
4   " x 1-1/2" 31W-4X1.5-1-304 31W-4X1.5-1-316 10.000 4.000 1.500 0.083
4   " x 2   " 31W-4X2-1-304 31W-4X2-1-316 8.000 4.000 2.000 0.083
4   " x 2-1/2" 31W-4X2.5-1-304 31W-4X2.5-1-316 6.000 4.000 2.500 0.083
4   " x 3   " 31W-4X3-1-304 31W-4X3-1-316 4.000 4.000 3.000 0.083
6   " x 2   " 31W-6X2-1-304 31W-6X2-1-316 5.500 6.000 2.000 0.109
6   " x 3   " 31W-6X3-1-304 31W-6X3-1-316 5.500 6.000 3.000 0.109
6   " x 4   " 31W-6X4-1-304 31W-6X4-1-316 5.500 6.000 4.000 0.109
8   " x 3   " 31W-8X3-1-304 31W-8X3-1-316 6.000 8.000 3.000 0.109
8   " x 4   " 31W-8X4-1-304 31W-8X4-1-316 6.000 8.000 4.000 0.109
8   " x 6   " 31W-8X6-1-304 31W-8X6-1-316 6.000 8.000 6.000 0.109

Additional information

Line Drawings

SKUDescriptionLine Drawing
31W-.50X.25X1-1-316-M

1/2″ x 1/4″ Unpolished Concentric Reducer, 1″ OAL, 316L

PDF
31W-.75X.25-1-316

3/4″ x 1/4″ Unpolished Concentric Reducer, 1″ OAL, 316L

PDF
31W-.75X.50-1-316

3/4″ x 1/2″ Unpolished Butt-Weld Concentric Reducer, 316L

PDF
31W-1.5X.50-1-316

1-1/2″ x 1/2″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-1.5X.75-1-316

1 1/2″ x 3/4″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-1.5X1-1-304

1-1/2″ x 1″ Unpolished Concentric Reducer 304

PDF
31W-1.5X1-1-316

1-1/2″ x 1″ Unpolished Butt-Weld Concentric Reducer, 316L

PDF
31W-1X.50-1-316

1″ x 1/2″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-1X.75-1-316

1″ x 3/4″ Unpolished Butt-Weld Concentric Reducer, 316L

PDF
31W-2.5X1.5-1-304

2-1/2″ x 1-1/2″ Unpolished Concentric Reducer 304

PDF
31W-2.5X1.5-1-316

2-1/2″ x 1-1/2″ Unpolished Butt-Weld Concentric Reducer, 316L

PDF
31W-2.5X2-1-304

2-1/2″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-2.5X2-1-316

2-1/2″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316L

PDF
31W-2X.50-1-316

2″ x 1/2″ Unpolished Concentric Reducer T316 Pol

PDF
31W-2X.75-1-316

2″ x 3/4″ Unpolished Concentric Reducer T316 Pol

PDF
31W-2X1-1-304

2″ x 1″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-2X1-1-316

2″ x 1″ Unpolished Concentric Reducer T316

PDF
31W-2X1.5-1-304

2″ x 1-1/2″ Unpolished Concentric Reducer 304

PDF
31W-2X1.5-1-316

2″ x 1-1/2″ Unpolished Concentric Reducer T316 Pol

PDF
31W-3X1-1-304

3″ x 1″ OD/ID Unpolished Concentric Reducer 304

PDF
31W-3X1-1-316

3″ x 1″ Unpolished Butt-Weld Concentric Reducer, 316L

PDF
31W-3X1.5-1-304

3″ x 1-1/2″ Unpolished Concentric Reducer T304

PDF
31W-3X1.5-1-316

3″ x 1-1/2″ Unpolished Concentric Reducer 316L

PDF
31W-3X2-1-304

3″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-3X2-1-316

3″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316L

PDF
31W-3X2.5-1-304

3″ x 2 1/2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-3X2.5-1-316

3″ x 2-1/2″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-4X1-1-304

4″ x 1″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-4X1-1-316

4″ x 1″ Unpolished Butt-Weld Concentric Reducer, 10″ OAL, 316L

PDF
31W-4X1.5-1-304

4″ x 1-1/2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-4X1.5-1-316

4″ x 1-1/2″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-4X2-1-304

4″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-4X2-1-316

4″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-4X2.5-1-304

4″ x 2-1/2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-4X2.5-1-316

4″ x 2-1/2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-4X3-1-304

4″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-4X3-1-316

4″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-6X2-1-304

6″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-6X2-1-316

6″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-6X3-1-304

6″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-6X3-1-316

6″ x 3″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-6X4-1-304

6″ x 4″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-6X4-1-316

6″ x 4″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-8X3-1-304

8″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-8X3-1-316

8″ x 3″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-8X4-1-304

8″ x 4″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-8X4-1-316

8″ x 4″ Unpolished Butt-Weld Concentric Reducer, 316

PDF
31W-8X6-1-304

8″ x 6″ Unpolished Butt-Weld Concentric Reducer, 304

PDF
31W-8X6-1-316

8″ X 6″ Unpolished Butt-Weld Concentric Reducer, 316

PDF

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