Welch 3G-OTH-151279 — Technical Specifications

The WELCH 2047B-01 is a chemical duty diaphragm vacuum pump with 1/5 hp output power, delivering 2.5 cfm free air displacement and 28.5 in Hg max vacuum. 3G Electric interprets this demand and sources the genuine OEM part, backed by specialist expertise across 14 industrial departments—including combustion, pumps, and controls—to ensure you get the right solution, not just a catalog listing.