CIRCOR Tech is a member of the CIRCOR Instrumentation Technologies (CIT) product group with all manufacturing and assembly performed in the USA. CIRCOR Tech designs and sells the micro Modular Substrate Sampling System (µMS3®) as individual components or as complete assembled systems. In addition, CIRCOR Tech offers a complete line of diaphragm stream select D-Series valves. This line includes tubed/piped, modular, multi-stream manifolds, and ANSI/ISA 76-compliant applications from one single valve body type.