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GENERAL NOTES/ q( h3 k- o# Z0 ^8 ?
1. ALL DIMENSIONS AER IN mm.4 R- J1 g& E8 K
2. ALL FABRICATION.WELDING.INSPECTION AND TESTING TO COMPLY
4 l# X, n J; A+ R9 g# f, D WITH AS 1210-1997.* g. Y: r. J; `- K; b8 l; B$ F
3. DIMENSIONAL SPECFICATIONS FOR NOZZLES TO AS 1772.1/2.
3 e; |' e, O8 a8 b, t3 c1 d% q ANSI B1.20.1 API STD 58 OR EQUIVALENT STD.% P# n4 f" K5 _- j
4. EXT.SURFACE PREPARATION:AS 1627.5 ABRASIVE BLAST CLASS 2.5
0 h9 `. J* _( ? g DEGREASE IN ACCORDANCE WITH AS 1627.1./ K! C7 [4 m5 f9 O# a6 t1 }
PROTECTIVE COATING:TBA4 b {- U" |7 M/ Z, w
5. 100% MPI FOR NOZZLE A AND CIRCUMFERENTIAL WELD SEAM C2 6 h; d' N2 b4 W4 j
AT LEAST 100 MM EACH SIDE FROM NOZZLE A .2 u, L1 |0 m* |* U5 \
6. FOR THE LONGITUDINAL WELD SEAM. THE SINGLE WELDED BUTT JOINT6 r( W! [% [; x6 b! F6 M; F
SHALL BE APPLIED USING A PROCESS AND PROCEDURE SO THAT
9 V% Q# F" a) Q SUBSEQUENT INSPECTION SHOWS COMPLETE PENETRATION AND FUSION0 Y6 F4 D3 Y$ |$ G' r* R3 q3 j9 J
TO THR SIDE.- _! u6 W- l$ Z8 t: g: T; T
+ P$ r! Q% v/ F, \4 z- }
[ 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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