UNSPSC 41112513: Orifice plate

UNSPSC 41112513 Orifice plate (Commodity) encompasses flow measurement and process instrumentation equipment that state and local governments procure for water, wastewater, environmental monitoring, and utility operations. In practice, state and local agencies buy a far broader range of process instrumentation and measurement devices under this code than the "orifice plate" name suggests—including ultrasonic level sensors, flow meters (liquid, gas, and solids), pressure and temperature transmitters, loop controllers, atmospheric gas detectors, flow calibrators, and valve positioners. These instruments integrate with SCADA systems, serve process monitoring and control functions, and are essential to regulatory compliance at water treatment facilities, wastewater systems, environmental monitoring stations, and renewable energy infrastructure. Issuing bodies include municipal water and wastewater departments, county environmental and solid waste authorities, state environmental quality commissions, and special-purpose districts. Recent solicitations show repeat activity from Florida water utilities (Collier County, City of Tampa) and multi-jurisdictional procurement from state environmental agencies (Texas Commission on Environmental Quality, Eastern Municipal Water District in California).

Geographic activity clusters in Florida, Texas, California, and Wisconsin, with recent opportunities spanning coastal and inland jurisdictions managing water infrastructure and environmental monitoring. Representative recent solicitations include the Solid Waste Authority of Palm Beach County's RFEI 27-501 (posted September 11, 2026, due November 18, 2026) for design-build-operate-maintain services on a mass-burn waste-to-energy facility requiring flow measurement and process control instrumentation; the City of Phoenix Water Services Department's IFB-27-0435 (posted August 14, 2026, due September 4, 2026) for atmospheric monitoring instruments—fixed installations at water and wastewater lift stations and confined spaces, with five-year contract term; the Texas Commission on Environmental Quality's RFB 582-26-15780 (posted June 30, 2026, due July 7, 2026) for Mesa Metrology Series gas flow calibrators and flow cells for EPA compliance in air monitoring networks; and Eastern Municipal Water District's RFP3856 (posted June 9, 2026, due July 15, 2026) for meter verification, calibration, certification, and preventative maintenance services across Riverside County, California. Sole-source and single-source procurements appear frequently when agencies require manufacturer-authorized distributors (Siemens through Gilson Engineering Sales, Emerson-Flexim through CL2 Solutions) to ensure compatibility with existing SCADA infrastructure and regulatory compliance.