BALL VALVE; NOMINAL SIZE: 1/4 IN; MOUNTING TYPE: BSP THREADED ACCORDING TO ISO 228-1; FLUIDS: AIR, WATER, OIL, GAS. TEMPERATURE RANGE D FROM -20 °C TO +260 °C; DIAL MATERIAL: STAINLESS STEEL; BODY MATERIAL: FORGED STAINLESS STEEL; STEP TYPE: TOTAL; PRESSURE: 1000 WOG; SWING CENTRAL BODY, SOLID BALL WITH STRAIGHT PASSAGE, FULL OPENING WITH 1/4 TURN, ADJUSTABLE STEM SEAL WITH TEFLON WASHER, NON-EXPELLABLE STEM, RESILIENT SEATS, CIRCULAR PASSAGE IN BOTH DIRECTIONS, DIMENSIONS ACCORDING TO ASA B16.11 STANDARDS, BS 5351, MSS-SP-72, MAXIMUM WORKING TEMPERATURE 200°C, DIAL SURFACE ROUGHNESS 8 MICRONS, SPHERICITY 0.025 MM, STAINLESS STEEL BODY AND COVER. AISI 316, STEM, SCREWS AND NUTS STAINLESS STEEL AISI 316 FORGED, SEATS AND BODY GASKET TEFLON, DIN 259 CONNECTION, GENERAL SERVICE, MAX LOAD LOSS. 0.14 KGF/CM2 AT 45 L/MIN, MIN. 11.2 MM, MAX TORQUE, 70 KGF/CM; ANOTHER BRAND VALMEC; THEY MUST BE DELIVERED COMPLETELY CLEAN AND WITH PLASTIC SHUTTERS ON BOTH CONNECTIONS, HERMETICALLY PACKAGED INDIVIDUALLY IN A POLYETHYLENE BAG, PACKED IN CARDBOARD OR WOODEN BOXES TO AVOID DIRT AND/OR DAMAGES IN TRANSPORTATION AND STORAGE; VALVE TEST S/PROCEDURES DESCRIBED IN STANDARD API 598.. STANDARD FOR BALL MATERIAL: FORGED STAINLESS STEEL AISI 316; THE VALVE MUST BE PROVIDED WITH THE LOCKING DEVICE – SU