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
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.
| 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
| SKU | Description | Line Drawing |
|---|---|---|
| 31W-.50X.25X1-1-316-M | 1/2″ x 1/4″ Unpolished Concentric Reducer, 1″ OAL, 316L |
|
| 31W-.75X.25-1-316 | 3/4″ x 1/4″ Unpolished Concentric Reducer, 1″ OAL, 316L |
|
| 31W-.75X.50-1-316 | 3/4″ x 1/2″ Unpolished Butt-Weld Concentric Reducer, 316L |
|
| 31W-1.5X.50-1-316 | 1-1/2″ x 1/2″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-1.5X.75-1-316 | 1 1/2″ x 3/4″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-1.5X1-1-304 | 1-1/2″ x 1″ Unpolished Concentric Reducer 304 |
|
| 31W-1.5X1-1-316 | 1-1/2″ x 1″ Unpolished Butt-Weld Concentric Reducer, 316L |
|
| 31W-1X.50-1-316 | 1″ x 1/2″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-1X.75-1-316 | 1″ x 3/4″ Unpolished Butt-Weld Concentric Reducer, 316L |
|
| 31W-2.5X1.5-1-304 | 2-1/2″ x 1-1/2″ Unpolished Concentric Reducer 304 |
|
| 31W-2.5X1.5-1-316 | 2-1/2″ x 1-1/2″ Unpolished Butt-Weld Concentric Reducer, 316L |
|
| 31W-2.5X2-1-304 | 2-1/2″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-2.5X2-1-316 | 2-1/2″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316L |
|
| 31W-2X.50-1-316 | 2″ x 1/2″ Unpolished Concentric Reducer T316 Pol |
|
| 31W-2X.75-1-316 | 2″ x 3/4″ Unpolished Concentric Reducer T316 Pol |
|
| 31W-2X1-1-304 | 2″ x 1″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-2X1-1-316 | 2″ x 1″ Unpolished Concentric Reducer T316 |
|
| 31W-2X1.5-1-304 | 2″ x 1-1/2″ Unpolished Concentric Reducer 304 |
|
| 31W-2X1.5-1-316 | 2″ x 1-1/2″ Unpolished Concentric Reducer T316 Pol |
|
| 31W-3X1-1-304 | 3″ x 1″ OD/ID Unpolished Concentric Reducer 304 |
|
| 31W-3X1-1-316 | 3″ x 1″ Unpolished Butt-Weld Concentric Reducer, 316L |
|
| 31W-3X1.5-1-304 | 3″ x 1-1/2″ Unpolished Concentric Reducer T304 |
|
| 31W-3X1.5-1-316 | 3″ x 1-1/2″ Unpolished Concentric Reducer 316L |
|
| 31W-3X2-1-304 | 3″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-3X2-1-316 | 3″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316L |
|
| 31W-3X2.5-1-304 | 3″ x 2 1/2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-3X2.5-1-316 | 3″ x 2-1/2″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-4X1-1-304 | 4″ x 1″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-4X1-1-316 | 4″ x 1″ Unpolished Butt-Weld Concentric Reducer, 10″ OAL, 316L |
|
| 31W-4X1.5-1-304 | 4″ x 1-1/2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-4X1.5-1-316 | 4″ x 1-1/2″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-4X2-1-304 | 4″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-4X2-1-316 | 4″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-4X2.5-1-304 | 4″ x 2-1/2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-4X2.5-1-316 | 4″ x 2-1/2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-4X3-1-304 | 4″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-4X3-1-316 | 4″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-6X2-1-304 | 6″ x 2″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-6X2-1-316 | 6″ x 2″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-6X3-1-304 | 6″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-6X3-1-316 | 6″ x 3″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-6X4-1-304 | 6″ x 4″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-6X4-1-316 | 6″ x 4″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-8X3-1-304 | 8″ x 3″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-8X3-1-316 | 8″ x 3″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-8X4-1-304 | 8″ x 4″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-8X4-1-316 | 8″ x 4″ Unpolished Butt-Weld Concentric Reducer, 316 |
|
| 31W-8X6-1-304 | 8″ x 6″ Unpolished Butt-Weld Concentric Reducer, 304 |
|
| 31W-8X6-1-316 | 8″ X 6″ Unpolished Butt-Weld Concentric Reducer, 316 |
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