BUTTERFLY VALVE; NOMINAL SIZE: 8 IN; FLUIDS: WATER; MOUNTING TYPE: WAFER; DISC MATERIAL: STAINLESS STEEL; TYPE OF OPERATION: WITH PNEUMATIC ACTUATOR; PRESSURE: 250 PSI; BODY MATERIAL: CAST IRON; SEAT MATERIAL: EPDM; WITH DOUBLE ACTING PNEUMATIC ACTUATOR BRAND KEYSTONE F79U-036 1/4" NPT CONNECTIONS; SEAT VULCANIZED TO BODY; MAXIMUM PRESSURE 20 KG/CM2; SUPPLY IN WOODEN BOX WITH LABEL INDICATING MATERIAL CODE AND DESCRIPTIVE DATA; VALVE MUST BE SUPPLIED WITH TRABACANDED DEVICE – SUITABLE FOR USE WITH 6 MM NORMAL SIZE 8 MM P ASA; MANUFACTURER 1: TYCO; MODEL 1: 221
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.
