PNEUMATIC DIRECTIONAL VALVE NOMINAL DIAMETER: 3/4; ORIFICE DIAMETER: 19.00 MM; NUMBER OF WAYS: 2; NUMBER OF POSITIONS: 2; TYPE OF OPERATION: SIMPLE SOLENOID; OPERATION: NORMALLY OPEN; VOLTAGE: 110 VCA; DEGREE OF PROTECTION: IP 54; BODY MATERIAL: ALUMINUM; INTERNAL MATERIAL: ALUMINUM; SEAL: NITRILE RUBBER; END: THREADED; THREAD: BSP 3/4. ; FLUID: NATURAL GAS; WORKING PRESSURE: MAX. 500 MBAR; WORKING TEMPERATURE: -15 TO 60 DEGREES CENTIGRADE; MANUFACTURER / REFERENCE DUNGS: LGV-507/5

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.