Butt Weld Concentric Reducer

Butt Weld Concentric Reducer – Stainless Steel – 31W

Price range: $8.75 through $1,057.75

  • Sanitary Stainless Butt Weld Concentric Reducer
  • Available in 304 & 316L Stainless Steel
  • 3-A Sanitary Standard (Minimum polish 32 RA)
  • Ideal for Food & Beverage and Pharmaceutical Markets
  • Stamped with Heat Lot Numbers
Product Specifications
SKU: 31W Categories: , ,

Sanitary Stainless Steel Butt Weld Concentric Reducer – 304 & 316L, 3-A Certified

This Sanitary Butt Weld Concentric Reducer is engineered for precision flow transitions in hygienic processing systems. Manufactured from high-grade 304 or 316L stainless steel, it meets 3-A Sanitary Standards with a minimum 32 RA internal surface finish, ensuring optimal cleanliness and corrosion resistance. Ideal for food, beverage, and pharmaceutical applications, each reducer is stamped with a heat lot number for full traceability. Designed for sanitary butt weld connections, this reducer provides a smooth, crevice-free interior to support clean-in-place (CIP) processes and maintain product purity. Available in multiple size configurations to fit your system needs.
31W-Drawing.jpg
Size
(Tube OD)		 Part Number Dimensions
304L 316L A B C Wall
3/4″ x 1/2″ — 31W6P-075050 1.000 0.750 0.500 0.065
1″ x 1/2″ — 31W6P-100050 1.000 1.000 0.500 0.065
1″ x 3/4″ — 31W6P-100075 1.000 1.000 0.750 0.065
1-1/2″ x 1/2″ — 31W6P-150050 4.000 1.500 0.500 0.065
1-1/2″ x 3/4″ — 31W6P-150075 2.000 1.500 0.750 0.065
1-1/2″ x 1″ 31W4P-150100 31W6P-150100 2.000 1.500 1.000 0.065
2″ x 1/2″ 31W4P-200050 31W6P-200050 6.000 2.000 0.500 0.065
2″ x 3/4″ 31W4P-200075 31W6P-200075 5.000 2.000 0.750 0.065
2″ x 1″ 31W4P-200100 31W6P-200100 4.000 2.000 1.000 0.065
2″ x 1-1/2″ 31W4P-200150 31W6P-200150 2.000 2.000 1.500 0.065
2-1/2″ x 1″ 31W4P-250100 31W6P-250100 6.000 2.500 1.000 0.065
2-1/2″ x 1-1/2″ 31W4P-250150 31W6P-250150 4.000 2.500 1.500 0.065
2-1/2″ x 2″ 31W4P-250200 31W6P-250200 2.000 2.500 2.000 0.065
3″ x 1   “ 31W4P-300100 31W6P-300100 8.000 3.000 1.000 0.065
3″ x 1-1/2″ 31W4P-300150 31W6P-300150 6.000 3.000 1.500 0.065
3″ x 2″ 31W4P-300200 31W6P-300200 4.000 3.000 2.000 0.065
3 “ x 2-1/2″ 31W4P-300250 31W6P-300250 2.000 3.000 2.500 0.065
4″ x 1″ 31W4P-400100 31W6P-400100 12.000 4.000 1.000 0.083
4″ x 1-1/2″ 31W4P-400150 31W6P-400150 10.000 4.000 1.500 0.083
4″ x 2″ 31W4P-400200 31W6P-400200 8.000 4.000 2.000 0.083
4″ x 2-1/2″ 31W4P-400250 31W6P-400250 6.000 4.000 2.500 0.083
4″ x 3″ 31W4P-400300 31W6P-400300 4.000 4.000 3.000 0.083
6″ x 2″ 31W4P-600200 31W6P-600200 5.500 6.000 2.000 0.109
6″ x 3″ 31W4P-600300 31W6P-600300 5.500 6.000 3.000 0.109
6″ x 4″ 31W4P-600400 31W6P-600400 5.500 6.000 4.000 0.109
8″ x 3″ 31W4P-800300 31W6P-800300 6.000 8.000 3.000 0.109
8″ x 4″ 31W4P-800400 31W6P-800400 6.000 8.000 4.000 0.109
8″ x 6″ 31W4P-800600 31W6P-800600 6.000 8.000 6.000 0.109
Grade

,

Size (Tube OD)

3/4" X 1/2", 1" x 1/2", 1" x 3/4", 1-1/2" x 1/2", 1-1/2" x 3/4", 1-1/2" x 1", 2" x 1/2", 2" x 3/4", 2" x 1", 2" x 1-1/2", 2-1/2" x 1", 2-1/2" x 1-1/2", 2-1/2" x 2", 3" x 1", 3" x 1-1/2", 3" x 2", 3" x 2-1/2", 4" x 1", 4" x 1-1/2", 4" x 2", 4" x 2-1/2", 4" x 3", 6" x 2", 6" x 3", 6" x 4", 8" x 3", 8" x 4", 8" x 6", 10" x 8", 12" x 10"
Size DuvaSanitary.com Steel & O’Brien Dixon Sanitary Solutions Wayland VNE
31W 31W B31W SS31W W31W E31WW
316L 316L 316L 316L 316L 316L
3/4″ x 1/2″ 31W6P-075050 31W-.75X.50-7-316 B31W-R7550P SS31W7-.75x.50-316L W631W-.75X.50-7 E31WW-6L1.5X.5
1″ x 1/2″ 31W6P-100050 31W-1X.50-7-316 B31W-R10050P SS31W7-1x.50-316L W631W-1X.50-7 E31WW-6L1X.5
1″ x 3/4″ 31W6P-100075 31W-1X.75-7-316 B31W-R10075P SS31W7-1x.75-316L W631W-1X.75-7 E31WW-6L1X.75
1-1/2″ x 1/2″ 31W6P-150050 31W-1.5X.50-7-316 B31W-R15050P SS31W7-1.5x.50-316L W631W-15X.50-7 E31WW-6L1.5X.5
1-1/2″ x 3/4″ 31W6P-150075 31W-1.5X.75-7-316 B31W-R15075P SS31W7-1.5x.75-316L W631W-15X.75-7 E31WW-6L1.5X.75
1-1/2″ x 1″ 31W6P-150100 31W-1.5X1-7-316 B31W-R150100P SS31W7-1.5×1-316L W631W-15X1-7 E31WW-6L2X1
2″ x 3/4″ 31W6P-200075 31W-2X.75-7-316 B31W-R20075P SS31W7-2x.75-316L W631W-2X.75-8 E31WW-6L2X.75
2″ x 1″ 31W6P-200100 31W-2X1-7-316 B31W-R200100P SS31W7-2×1-316L W631W-2X1-9 E31WW-6L2X1
2″ x 1-1/2″ 31W6P-200150 31W-2X1.5-7-316 B31W-R200150P SS31W7-2×1.5-316L W631W-2X1.5-316L E31WW-6L2X1.5
2-1/2″ x 1″ 31W6P-250100 31W-2.5X1-7-316 B31W-R250100P SS31W7-2.5×1-316L W631W-25X1-7 E31WW-6L2.5X1
2-1/2″ x 1-1/2″ 31W6P-250150 31W-2.5X1.5-7-316 B31W-R250150P SS31W7-2.5×1.5-316L W631W-25X1.5-7 E31WW-6L2.5X1.5
2-1/2″ x 2″ 31W6P-250200 31W-2.5X2-7-316 B31W-R250200P SS31W7-2.5×2-316L W631W-25X2-7 E31WW-6L2.5X2
3″ x 1″ 31W6P-300100 31W-3X1-7-316 B31W-R300100P SS31W7-3×1-316L W631W-3X1-7 E31WW-6L3X1
3″ x 2″ 31W6P-300200 31W-3X2-7-316 B31W-R300200P SS31W7-3×2-316L W631W-3X2-7 E31WW-6L3X2
3″ x 2-1/2″ 31W6P-300250 31W-3X2.5-7-316 B31W-R300250P SS31W7-3×2.5-316L W631W-3X2.5-7 E31WW-6L3X2.5
4″ x 1″ 31W6P-400100 31W-4X1-7-316 B31W-R400100P SS31W7-4×1-316L W631W-4X1-7 E31WW-6L4X1
4″ x 1-1/2″ 31W6P-400150 31W-4X1.5-7-316 B31W-R400150P SS31W7-4×1.5-316L W631W-4X1.5-7 E31WW-6L4X1.5
4″ x 2″ 31W6P-400200 31W-4X2-7-316 B31W-R400200P SS31W7-4×2-316L W631W-4X2-7 E31WW-6L4X2
4″ x 2-1/2″ 31W6P-400250 31W-4X2.5-7-316 B31W-R400250P SS31W7-4×2.5-316L W631W-4X2.5-7 E31WW-6L4X2.5
4″ x 3″ 31W6P-400300 31W-4X3-7-316 B31W-R400300P SS31W7-4×3-316L W631W-4X3-7 E31WW-6L4X3
6″ x 2″ 31W6P-600200 31W-6X2-7-316 B31W-R600200P SS31W7-6×2-316L W631W-6X2-7 E31WW-6L6X2
6″ x 3″ 31W6P-600300 31W-6X3-7-316 B31W-R600300P SS31W7-6×3-316L W631W-6X3-7 E31WW-6L6X3
6″ x 4″ 31W6P-600400 31W-6X4-7-316 B31W-R600400P SS31W7-6×4-316L W631W-6X4-7 E31WW-6L6X4
8″ x 3″ 31W6P-800300 31W-8X3-7-316 B31W-R800300P SS31W7-8×3-316L W631W-8X3-7
8″ x 4″ 31W6P-800400 31W-8X4-7-316 B31W-R800400P SS31W7-8×4-316L W631W-8X4-7
10″ x 8″ 31W6P-1000800 31W-10X8-7-316 B31W-R1000800P SS31W7-10×8-316L W631W-10X8-7
12″ x 10″ 31W6P-12001000 W631W-12X10-7

 

Size DuvaSanitary.com Steel & O’Brien Dixon Sanitary Solutions Wayland VNE
31W 31W B31W SS31W 31W E31WW
304 304 304 304 304 304
1-1/2″ x 1″ 31W4P-150100 31W-1.5X1-7-304 B31W-G150100P SS31W7-1.5×1-304 W431W-15X1-7 E31WW1.5X1
2″ x 1″ 31W4P-200100 31W-2X1-7-304 B31W-G200100P SS31W7-2×1-304 W431W-2X1-9 E31WW2X1
2″ x 1-1/2″ 31W4P-200150 31W-2X1.5-7-304 B31W-G200150P SS31W7-2×1.5-304 W431W-2X1.5-10 E31WW2X1.5
2-1/2″ x 1″ 31W4P-250100 31W-2.5X1-7-304 B31W-G250100P SS31W7-2.5×1-304 W431W-25X1-7 E31WW2.5X1
2-1/2″ x 1-1/2″ 31W4P-250150 31W-2.5X1.5-7-304 B31W-G250150P SS31W7-2.5×1.5-304 W431W-25X1.5-7 E31WW2.5X1.5
2-1/2″ x 2″ 31W4P-250200 31W-2.5X2-7-304 B31W-G250200P SS31W7-2.5×2-304 W431W-25X2-7 E31WW2.5X2
3″ x 1″ 31W4P-300100 31W-3X1-7-304 B31W-G300100P SS31W7-3×1-304 W431W-3X1-7 E31WW3X1
3″ x 1-1/2″ 31W4P-300150 31W-3X1.5-7-304 B31W-G300150P SS31W7-3×1.5-304 W431W-3X15-7 E31WW3X1.5
3″ x 2″ 31W4P-300200 31W-3X2-7-304 B31W-G300200P SS31W7-3×2-304 W431W-3X2-7 E31WW3X2
3″ x 2-1/2″ 31W4P-300250 31W-3X2.5-7-304 B31W-G300250P SS31W7-3×2.5-304 W431W-3X25-7 E31WW3X2.5
4″ x 1″ 31W4P-400100 31W-4X1-7-304 B31W-G400100P SS31W7-4×1-304 W431W-4X1-7 E31WW4X1
4″ x 1-1/2″ 31W4P-400150 31W-4X1.5-7-304 B31W-G400150P SS31W7-4×1.5-304 W431W-4X15-7 E31WW4X1.5
4″ x 2″ 31W4P-400200 31W-4X2-7-304 B31W-G400200P SS31W7-4×2-304 W431W-4X2-7 E31WW4X2
4″ x 2-1/2″ 31W4P-400250 31W-4X2.5-7-304 B31W-G400250P SS31W7-4×2.5-304 W431W-4X25-7 E31WW4X2.5
4″ x 3″ 31W4P-400300 31W-4X3-7-304 B31W-G400300P SS31W7-4×3-304 W431W-4X3-7 E31WW4X3
6″ x 2″ 31W4P-600200 31W-6X2-7-304 B31W-G600200P SS31W7-6×2-304 W431W-6X2-7 E31WW6X2
6″ x 3″ 31W4P-600300 31W-6X3-7-304 B31W-G600300P SS31W7-6×3-304 W431W-6X3-7 E31WW6X3
6″ x 4″ 31W4P-600400 31W-6X4-7-304 B31W-G600400P SS31W7-6×4-304 W431W-6X4-7 E31WW6X4
8″ x 3″ 31W4P-800300 31W-8X3-7-304 B31W-G800400P SS31W7-8×3-304 W431W-8X3-7
8″ x 4″ 31W4P-800400 31W-8X4-7-304 B31W-G800600P SS31W7-8×4-304 W431W-8X4-7
8″ x 6″ 31W4P-800600 31W-8X6-7-304 SS31W7-8×6-304 W431W-8X6-7
10″ x 8″ 31W4P-1000800 SS31W7-10×8-304 W431W-10X8-7
12″ x 10″ 31W4P-12001000

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