Assembly and Packaging is performed in the clean room of Class 10. Valves are packed with anti-static polyethylene bag that is pressured into the high purity nitrogen gas.
Cleaning & Testing - Passivation is done at Nitrogen environment. Fine cleaning is done by Ultrasonic cleansing with resistivity over 18M.Q D.I. water after finishing the passivation. Inboard helium leak tested to a rate of 4 x 109 cm3/s