1.applicable stadndards/specifications
ANSI YANSIF Y14.5M-1994,DIMENSIONS AND TOLERANCES
ANSI YANSIF Y14.38,ABBREVIATONS
2.ALL DIMENSIONS ARE IN MM UNLESS OTHERWISE NOTED.
3.ALL WELDS TO BE CONTINUOUS EXCEPT AS NOTED.
4.ALL WELD INSIDE SRFACE OF NOZZLES TO BE FULLY FLUSHED.
5.ALL FLANGE BOLT OLES SHALL BE STRADDLE NORTH & SOUTH C.L
OR NATURAL HORIZ & VERT. C.L OF HEX.
6.THE GASKET CONTACT SURFACE OF STD. FLANGED PIPING
CONNECTION SHALL BE SERRATED SPIRAL FINISH WITH ROUGHNESS
125 ~ 250 AARH (ANSI B46.1)
7.GIRTH FLANGE GASKET CONTACT SURFACE SHALL BE SERRATED
FINISH 125 ~ 250 AARH (3.2 ~ 6.3 um).
8.REMOVE ALL BURRS AND BREAK SHARP EDGES.
9. ACHINE FILLETS R0.2MM - 0.8MM
10.MACHINE DIAMETERS CONCENTRIC WITHIN 0.2MM FIM.
11.METRIC SCREW THREAD PER ANSI B1.13M.
12.ALL SHARP EDGES FROM WELDING SLATTER TO BE REMOVED
PRIOR TO HYDROSTATIC TESTING.
13.GASKET MATERIAL AS FOLLOW(SPIRAL WOUND GASKET)
- HOOP : 316 S.S, - INNER RING : 316 S.S
- FILLER : GRAPHITE, - OUTER RING : 316 S.S
14.SPARE PART FOR COMMISSIONING & START-UP
- BOLT/NUT : 10%(MIN. 2SETS) FOR GIRTH FLANGE
- GASKET : 200%
15. FIAL PLATE THECESS TO BE DETERMINED AND ADVISED TO NIKKISO BY FABRICATOR.
16. ITEM NUMBER SHALL BE STAMPED AT 0도 POSITION ON HEAD PLATE.
EX.)23PA-1000-A
17.HDROSTATIC TESTING PER APPLICABLE PROJECT TEST PROCEDURE
TO BE PERFORMED AT 1.5 x D.P UNLESS OTHERWISE SPECIFIED.
18.INFORMATION;
- LNG CARRIER : GOLAR WNTER
- DNV I.D NO. : HN2024, HN2031