Featuring PVC, CPVC, PP, and PVDF bodies, PBV Series back pressure valves and RPV Series pressure relief valves are chemically resistant, feature spring-loaded diaphragms, and offer choice of end connections to match process requirement. CCS Series Calibration Columns, constructed with clear PVC or borosilicate glass bodies, come in 100–40,000 mL sizes, offer various feed rates, and are available with thermoplastic end connectors as well as choice of tops to suit installation requirements.