DISCRETE VALVE CONTROLLER, MAIN NAME DISCRETE VALVE CONTROLLER OTHER REQUERIMENTS SEE OBS COMMERCIAL REFERENCE TOPWORX – TVA-K2WGNCM OBS: – MODEL ENGINEERING RESIN BASE WITH CLEAR POLYCARBONATE LID; – BUS SENSOR 2 MECH SPDT GOLD CONTACTS (50MA/120VAC) UNDERLYNG SILVER CONTACTS (10A/250VAC); – AREA CLASSIFICATION IP68/NO APPROVALS; – VISUAL DISPLAY STANDARD 90 DEGREES GREEN OPEN / RED CLOSED; – SHAFT NAMUR, 304 STAINLESS STEEL; – CONDUIT ENTRIES (2) M20; – O-RINGS BUNA; – OPERATING TEMPS: -40 TO 80 DEGREES C.
The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.
