We offer JSB valving solutions for the Agilent 6850, 6890, 7890 and 7820 GCs, and also for the 5975T portable GC-MS solution. The valve-box can be designed with various heating options, with a maximum temperature of 350°C. The number of valves, or switch valves, can be from one to a maximum of six. The choice of the type may vary dependent on your requirements. You can choose from a stream selector, six port, ten port, rotor or diaphragm valves. We use reliable valve solutions from Valco Vici or AFP.