GENERAL NOTES * ?& W( g7 f* |/ { J# K2 q3 S1. ALL DIMENSIONS AER IN mm. 3 R8 N' x; ?+ D6 f) U3 s3 ?2. ALL FABRICATION.WELDING.INSPECTION AND TESTING TO COMPLY3 o$ a" h0 w$ C9 P4 }& H. u
WITH AS 1210-1997.) Z! r$ f4 `* e9 e
3. DIMENSIONAL SPECFICATIONS FOR NOZZLES TO AS 1772.1/2.: V* y0 ?9 u! }4 ^* \5 ]
ANSI B1.20.1 API STD 58 OR EQUIVALENT STD. 7 c/ |# Y+ V0 G" B% }# G4. EXT.SURFACE PREPARATION:AS 1627.5 ABRASIVE BLAST CLASS 2.55 n1 |/ ?1 ?& J7 J
DEGREASE IN ACCORDANCE WITH AS 1627.1.* j4 ^. k0 M1 M; q- d
PROTECTIVE COATING:TBA ! F2 G- H( r1 g5. 100% MPI FOR NOZZLE A AND CIRCUMFERENTIAL WELD SEAM C2 8 h4 D: J% U/ {9 b% ]5 [ AT LEAST 100 MM EACH SIDE FROM NOZZLE A .; U6 E! x7 A# V
6. FOR THE LONGITUDINAL WELD SEAM. THE SINGLE WELDED BUTT JOINT & n9 k3 T- o: N9 A) i) p$ Y SHALL BE APPLIED USING A PROCESS AND PROCEDURE SO THAT % s- l4 }# k# f6 x/ m. G; U SUBSEQUENT INSPECTION SHOWS COMPLETE PENETRATION AND FUSION ( i0 Q# G* P" s& n TO THR SIDE., _" ~" `( E* O' h* d
' w: D3 [( o; q8 y) d! ?
[ 本帖最后由 beyond1968 于 2007-5-3 09:36 编辑 ]
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