Liquid Helium Temperature System

This solicitation seeks a fixed-price quote for one liquid helium variable temperature system (2.5 K to 420 K) compatible with JEOL X3-series ESR instruments. Critical technical requirements include a 15-minute cool-down time from 293 K to 2.5 K, ±0.5 K temperature stability, and a maximum liquid helium consumption of 1.5 L/hour at 4.5 K. The system must also meet specific dimensional and compatibility requirements for dewar adapters, sample tubes, power supply, and JEOL ESR cavities (ES-UCX2, MCX1A, MCX3B, ODMRC, 14040DMC), and include a cryostat, transfer line, dewar adapter, flow meter, and temperature controller. The quote should include price and lead time and must be submitted by September 30, 2025, to marissat@SLAC.stanford.edu. Source selection will be based on Lowest Price and Technically Acceptable (LPTA). The Buy American Act Certification applies to awards over $10,000, and SLAC's Terms and Conditions for Fixed Price Commercial Supplies and Services (Rev. August 2023) will govern. Payment terms are NET-30, and freight terms are FOB Destination Prepaid and Add.

Notice ID

d5ffba2994784bf5a88cc275f6cf26d9

Solicitation Number

SLAC_359663_LiquidHeliumTemperatureSystem

NAICS Code

3333

Classification Code

AJ12