GENERAL NOTES 3 d5 W: W) m D/ O1. ALL DIMENSIONS AER IN mm.) Z; @: I- S0 _7 _8 E# E/ R: S8 h7 |, R
2. ALL FABRICATION.WELDING.INSPECTION AND TESTING TO COMPLY + p6 m8 B& v' p2 M! R% c: }- W WITH AS 1210-1997.* D! G! N0 i' v; }! n& u
3. DIMENSIONAL SPECFICATIONS FOR NOZZLES TO AS 1772.1/2. ' S. b) h9 _1 M( x ANSI B1.20.1 API STD 58 OR EQUIVALENT STD.. M, |& }! t) E& t
4. EXT.SURFACE PREPARATION:AS 1627.5 ABRASIVE BLAST CLASS 2.5 8 Y. e+ H" j6 \; v* |2 r+ q# D DEGREASE IN ACCORDANCE WITH AS 1627.1. 2 n$ O# n' ]$ a3 m5 _ PROTECTIVE COATING:TBA( C3 n) d6 c; F; z) j
5. 100% MPI FOR NOZZLE A AND CIRCUMFERENTIAL WELD SEAM C2 ! X& k ^7 q1 r; S5 j n2 | AT LEAST 100 MM EACH SIDE FROM NOZZLE A .1 C' T! p# @( @
6. FOR THE LONGITUDINAL WELD SEAM. THE SINGLE WELDED BUTT JOINT 7 m e# W3 r, Z3 r8 x. f SHALL BE APPLIED USING A PROCESS AND PROCEDURE SO THAT & t5 _9 U' s+ b# h/ g3 ~
SUBSEQUENT INSPECTION SHOWS COMPLETE PENETRATION AND FUSION . R% A* C3 {2 `6 O6 o r TO THR SIDE.+ \; G0 u% Z/ s' s0 @, w
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发表于 2007-4-30 14:39:39
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