UNDERWATER BALL VALVE TYPE BALL 20" Ø , 600 # RTJ BORE 18.124", MOUNTED ON STUMP, INTEGRAL BODY WELDED ASTM A-350 LF2, OF FULL AND CONTINUOUS, STEP UNIONS WELDED ACCORDING TO ASME SECTION VIII & IX, TOLERANCES IN ASME B16.34, ISO 14723 (API 6DSS) DESIGN EFFORT , FLANGES ACCORDING ASME B16.5, DIMENSION FACE-FACE ANSI B16.10, SEAL ISO 14723 (APIS 6DSS), ZERO LEAKAGE, PRINT API 6DSS, INFORMATION AND DOCUMENTARY EVIDENCE OF API 6DSS, ISO/DIS 15848-1 FUGITIVE EMISSIONS AGREEMENT WITH SOFT SEALS (INSERT SEAT) PEEK, AREAS STATIC AND DYNAMICS 3MM THICK END, BALL STAINLESS STEEL A182 F6NM COATED INCONEL 625, SEATS IN A SINGLE PIECE OF STAINLESS STEEL A182 F6NM, SPRINGS OF INCONEL 750, SEATS UNIDIRECTIONAL AT BOTH ENDS, ANTISTATIC, DEVICE PORTS OF FAT INJECTION LUBRICANT ON THE SEATS AND STEM, BODY SEALS AND STEM MUST BE COVERED IN LIP SEAL (PTFE+ELGILOY) + GRAPHITE GASKETS; THE STEM MUST BE ONE-PIECE STEEL STAINLESS 17-4PH WITH THERMAL, STEM ANTIVOLADURA, PRELOADED GASKET DESIGN TREATMENT FREE OF MAINTENANCE, WITH BOX OF GEAR FOR SUBMARINE ENVIRONMENT TO SUPPORT A DEPTH OF 30 M OF TIE ROD, OPERATING PRESSURE MAX 77 KG/CM2, TEMPERATURE OF 140 ° C OPERATION
THE PARTS IN CONTACT WITH THE FLUID PROCESS MUST COMPLY WITH NACE MR0175/ISO15156.
BALL VALVE WILL DRAIN VALVES AND VENT ONLY TO PERFORM THE LEAK TESTS IN WORKSHOP, SUCH VALVES MUST BE REMOVED AFTER THE TESTS AND SEALED THE HOLES IN THEM. INSTALLATION AND MAINTENANCE MANUAL COMPLETELY IN SPANISH.
ALL ACCORDING TO THE STANDARD TECHNICAL API-6DSS WITH NAMEPLATE IN STAINLESS STEEL 316 INSURED WITH RIVET, RECORDED A HIT WITH THE DATA:IDENTIFICACION AND SERVICE, BRAND OF THE MANUFACTURER, MODEL, SERIAL NUMBER, INMATES, OPERATING RANGE MATERIAL, DATE OF MANUFACTURE
