VALVE:CHECK;NOMINAL SIZE:80 MM,END CONNECTION:BS4504 FLANGED,PRESSURE
RATING:40 BAR,TYPE:WAFER,BODY MATERIAL:1.4317 SS,TEMPERATURE RATING:24-550
DEG C
MPN NO.: 8050504
MANUFACTURER: GESTRA INC, MODEL NO: TYPE RK86.

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.