The WFI tank is manufactured in accordance with ASME BPE standards. The products can be designed according to client's requirements in the form of atmospheric pressure vessels or pressurized vessels. The part in contact with WFI is made of 316L, and other parts (including frames) are made of 304 stainless steel. The tank is wrapped with insulation layer, which is made of the insulation material free of asbestos and chlorine. The insulation layer in turn is covered with 304 stainless steel shell. The inner wall of the tank is electro-polished, and the outer wall is hairline finished. The interface on the side wall of the tank is N/A connection to avoid dead legs. The tank is fully equipped with accessories, such as manhole, vent filter, spray ball, diaphragm pressure gauge (pressure transmitter), temperature sensor, level sensor and bursting disc.
Accessories, instruments and valves are being considered, namely manway for access, AISI 304 stainless steel support legs, sight glass with lamp, rupture disc or sanitary safety valve, absolute vent filter with electrically heating, and provision for integrity test, sanitary valve for WFI water feeding, automatic sanitary valve for tank discharge, temperature probe with Thermowell, level sensor, pressure transmitter or pressure gauge, and spray ball.