USGS parr reactor

The U.S. Geological Survey seeks quotations for a Parr 300 mL titanium alloy high-pressure, high-temperature reactor system with accessories, with quotations due September 18, 2026 at 1:00 PM Eastern Daylight Time. This is a Total Small Business set-aside competitive RFQ issued under simplified procedures; the brand name justification document confirms sole-source facts but notes competition will be sought among resellers.

Place of performance is the USGS facility at 12201 Sunrise Valley Drive, Reston, Virginia. Delivery is required within 60 days of purchase order receipt. The specific model required is Series 4760 Pressure Vessel (model 4760-300mL-T-TI2-VGR-VD-2000-4848-PDM-BTS-115), new and currently in production; refurbished or demonstrator units are not acceptable. The 300 mL moveable head vessel must feature a maximum allowable working pressure rating of 1200 psi at 300°C, with all internal wetted parts and head/cylinder components constructed of Titanium grade 2 alloy and external valves and fittings in stainless steel. The head assembly must include a 0–2,000 psi pressure gauge and transducer, gas release valve, gas inlet/sampling valve, gold-faced Alloy 600 safety rupture disc rated at 1200 psi, and a Type J thermowell with thermocouple. Required accessories include benchtop stand with 115V heater assembly, 4838 Temperature Controller (115V) with PID control and ramp/soak programming, A495HC gas filling hose assembly (6 ft reinforced nylon, 2500 psi), ASME-certified vessel assembly with U stamp, A1925E4 PC Communication Cable with RS-485 to USB converter (30 ft), and A3504HC SpecView datalogging software or equivalent. Offerors must submit an Accessibility Conformance Report detailing Section 508 compliance for the software component. Evaluation is lowest price technically acceptable; award goes to the vendor with the lowest priced technically acceptable quote. The NAICS code is 334516, Analytical Laboratory Instrument Manufacturing. Quotations must be submitted to Miranda Blankenship at miranda_blankenship@ios.doi.gov. Vendors must be registered at SAM.gov to be awarded. The anticipated award date is September 30, 2026.