4.000" x 2.000" 14ga Butt-Weld Concentric Reducer - (31W) - Polished OD/ID - 316L Stainless

Butt-Weld Concentric Reducer (31W) – 316L Stainless Steel

PNW Sanitary Butt-Weld Concentric Reducers (31W) provide a hygienic, permanent connection for joining sanitary tubing of different diameters. The concentric design maintains a centered flow path for smooth, efficient product transfer while minimizing turbulence and entrapment.

Manufactured from 316L stainless steel and polished to a 32Ra sanitary finish, these reducers are 3-A Certified and offer enhanced corrosion resistance, making them ideal for aggressive cleaning regimens, high-purity systems, and pharmaceutical applications. Designed for orbital or manual welding, they deliver durable, crevice-free joints for long-term sanitary performance.

FEATURES

• 3-A Sanitary Certified
• 316L Stainless Steel construction for superior corrosion resistance
• Concentric design maintains centered flow
• Polished ID/OD with 32Ra finish
• Available in sizes from 3/4" × 1/2" through 10" × 8"
• Suitable for orbital or manual welding

APPLICATIONS & COMPATIBILITY

Ideal for diameter transitions in permanent welded piping. Fully compatible with leading sanitary brands and suited for CIP systems, product transfer lines, and other high-purity installations.

QUALITY & MATERIAL VERIFICATION

All PNW Sanitary reducers undergo in-house Positive Material Identification (PMI) using the SciAps X-550 handheld XRF spectrometer to verify alloy chemistry and ensure material traceability.

CROSS-REFERENCE