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GENERAL NOTES+ O/ n3 i# |; g, M# Y
1. ALL DIMENSIONS AER IN mm.6 N2 S8 k. m2 @1 ~2 q
2. ALL FABRICATION.WELDING.INSPECTION AND TESTING TO COMPLY8 Y7 X! t1 F g
WITH AS 1210-1997.) Z1 @6 r, l9 b( q2 C ]& p5 n8 k
3. DIMENSIONAL SPECFICATIONS FOR NOZZLES TO AS 1772.1/2.# H/ v: G" E! P5 t2 x. v
ANSI B1.20.1 API STD 58 OR EQUIVALENT STD." I! e/ K) w3 \1 [
4. EXT.SURFACE PREPARATION:AS 1627.5 ABRASIVE BLAST CLASS 2.5/ Z4 ^/ ]0 z# t; T
DEGREASE IN ACCORDANCE WITH AS 1627.1.
: K3 U) N0 b n& n$ O PROTECTIVE COATING:TBA
9 B" N( j0 W, ?; y4 o t5 t5. 100% MPI FOR NOZZLE A AND CIRCUMFERENTIAL WELD SEAM C2
+ G/ ^, f$ O) Q5 Q$ u E9 c AT LEAST 100 MM EACH SIDE FROM NOZZLE A ." y# c/ l0 U) [. S8 v7 c
6. FOR THE LONGITUDINAL WELD SEAM. THE SINGLE WELDED BUTT JOINT& _! ^2 a5 C3 D) W' H
SHALL BE APPLIED USING A PROCESS AND PROCEDURE SO THAT ) n9 ^0 i& e) H) C0 W) g: O8 y
SUBSEQUENT INSPECTION SHOWS COMPLETE PENETRATION AND FUSION: T: k. [/ R5 Q+ ]4 t. w
TO THR SIDE.% w8 b- Y7 Q% a" Y
8 T) p9 p+ s# z7 ^1 O% I
[ 本帖最后由 beyond1968 于 2007-5-3 09:36 编辑 ] |
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发表于 2007-4-30 14:39:39
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