SPHERICAL VALVE; NOMINAL SIZE: 4 IN; MOUNTING TYPE: FLANGED RF TO ANSI B16.5; FLUIDS: AIR, WATER, OIL, GAS. TEMPERATURE RANGE UP TO +225 °C; BALL MATERIAL: STAINLESS STEEL; BODY MATERIAL: CAST CARBON STEEL; PRESSURE: CLASS 150; FACES WITH SHOULDER, SURFACE ROUGHNESS OF FACES 500 AARH S/ANSI B16.5 AND ASME/ANSI B46. 1 "STOCK FINISH", STAINLESS STEEL PISTON ROD AISI 316 TEFLON BODY SEAL, BODY MATERIAL STANDARD: ASTM A216 WCB; REINFORCED TEFLON SEAT, WALL THICKNESS S/API 600, DIMENSIONS S/ANSI B16.10, FIRE TESTED ACCORDING TO API 607; MANUAL LEVER DRIVE TYPE. SPHERE MATERIAL: FORGED AISI 316; VALVE MUST BE PROVIDED WITH TRABACANDING DEVICE – SUITABLE FOR USE WITH SLEEVE WITH NOMINAL SIZE OF 6 – SLEEVE HOLE DIAMETER 8 MM; OTHER MARKS: VALMEC – WENLEN – VALMICRO – FOR SIDERAR PLANT OTHER APPROVED BRANDS: INDAVE – RHINO & FLOWTEK; MANUFACTURER 1: WORCESTER; N-PART 1: 5100F46RT1R; MANUFACTURER 2: ESFEROMATIC; MANUFACTURER 3: SPIRAX SARCO
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.
