UNSPSC 40141621: Diaphragm valves

UNSPSC 40141621 Diaphragm valves, a Commodity code, covers water service valves and valve components that state and local water utilities and wastewater systems actually procure for distribution, treatment, and operational control — including ball valves, butterfly valves, resilient gate valves, tapping valves, and replacement actuator assemblies. The City of Marietta, Georgia and Gwinnett County, Georgia appear as repeat buyers in recent solicitations, with Gwinnett County Department of Water Resources issuing multiple competitively sealed ITBs and informal RFQ notices for butterfly valves and resilient valves across its filter plants and water transmission infrastructure. Gwinnett County enforces an ineligible source list that bars debarred or suspended vendors from submitting. Seminole County, Florida has also solicited under this code, though a June 2026 sole-source procurement for REXA actuator parts (distributed by PRO-CO, Inc.) diverges from the typical competitive structure and reflects a niche market for proprietary replacement components in wastewater treatment facilities. The solicitations emphasize compliance with AWWA Standards (C504/C516), NSF/ANSI 61 certification for drinking water service, detailed O&M documentation including shop drawings and preventative maintenance schedules, and multi-year project references in the United States.

Recent activity concentrates in Georgia, with Gwinnett County posting three separate competitive bids for butterfly valves at Lanier and Shoal Creek Filter Plants (due July 15, 2026 and September 23, 2026) and Mueller resilient gate valves (due June 9, 2026), and the City of Marietta issuing an annual contract RFQ for water service saddles, couplings, clamps, and ball valves due September 22, 2026. Gwinnett County's September 23, 2026 ITB (BL126-26) specifies large-format double offset butterfly valves in 54", 72", 96", and 108" sizes with gearboxes and accessories, mandates a virtual pre-bid conference on September 2, 2026, questions due September 10, and allows award on a line-item or split basis. Unrelated solicitations (Sourcewell's May 2026 law enforcement equipment RFP) appear in the record but do not reflect diaphragm valve procurement activity. The code shows active, competitive state and local demand in water infrastructure operations with standard delivery, bonding, and tax-exempt procurement structures.