Hy-Lok
Pharmaceutical & Bio-Technology
Hy-Lok tube fittings, ball valves, and needle valves are found on the many of the most complicated biopharmaceutical applications that are critical in achieving stringent standards and qualifications. Hy-Lok biopharm products also used include inline filters, check and relief valves and hoses.
Source: http://hylok.ca/IndustriesServed/tabid/89/Default.aspx#cng