UNSPSC 40141662: Valve interlock system

A Valve interlocking system locking devices guides the operator through a predefined sequence with unique keys for each step. Each valve interlock is supplied with two keys, one for the locked-open position and one for the locked-closed position.

UNSPSC 40141662 Valve interlock system (Commodity) encompasses detector check valves, resilient gate valves, butterfly valves, swing check valves, and slide gates that state and local water utilities procure for supply to treatment plants, pump stations, and distribution infrastructure. Recent solicitations show water districts and county water authorities buying these valves as replacement or maintenance stock on an as-needed basis, with delivery to central facilities, filter plants, and water resources centers. Issuing bodies consist primarily of county water authorities and municipal water districts in the Southeast and California, including Gwinnett County (Georgia), Alameda County Water District (California), Eastern Municipal Water District (Riverside County, California), Douglasville-Douglas County Water and Sewer Authority (Georgia), and the F. Wayne Hill Water Resources Center (Gwinnett County). Gwinnett County appears as a repeat buyer across multiple recent solicitations for varying valve types and quantities.

Recent activity concentrates in Georgia and California. Representative opportunities include Gwinnett County's purchase of 60 resilient seat gate valves (Informal Written Quotation IWQ 128182, due April 3, 2026), 19 swing check valves for the F. Wayne Hill Water Resources Center (sealed bid BL009-26, due April 24, 2026), and butterfly valves for the Lanier and Shoal Creek Filter Plants (sealed bid BL045-26, due July 13, 2026); Alameda County Water District's solicitation for detector check valves (IFB 26/27-01, due July 14, 2026) and CLOW gate valves (RFQ 252618, due January 30, 2026); and Douglasville-Douglas County Water and Sewer Authority's procurement for fire hydrants and gate valves on an as-needed basis (IFB 321, due April 29, 2026). Procurement vehicles include sealed competitive bids, informal written quotations, and requests for quotation, with response windows typically one to two weeks. Vendors must verify compliance with county ineligible source lists, provide references for similar projects, and comply with electronic payment requirements upon award.