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Introduction
R6 W p& T7 G0 g6 F1 ?This booklet has been written as an introduction to and a% M& ], e7 t2 u
source of general information on pipe joints.
1 p( b, _, Q, T9 f1 QThe flanged joint appears deceptively simple but in fact the
! ~. h# H; Y! X0 N% g+ b8 X& yscience of flanges and joint sealing is complex and continuously
" D# y4 X: R1 P* jdeveloping. Sound joints are critical to piping integrity and
0 b% j1 k, T! U& dplant safety.2 _% g4 p9 F- x
A pipe joint thus relies on the skill and application of the fitter1 ]' t$ P% M0 J& _1 f$ J P/ s
who puts it together. Correct selection of materials, application
3 o) `! I& a9 i8 h6 K6 yof procedures, correct use of tools combined with the fitter’s
3 g }/ a0 l" O$ b( nskill are all required to ensure a joint of maximum integrity.# }# R/ m; |8 a3 V+ D8 ^2 n
But mistakes have happened; choosing the wrong gaskets,
) { U: F* R8 F! j! tusing the wrong studbolts. Such mistakes cannot be ignored.$ T0 V% c4 K0 J' @7 A
The purpose of this booklet is therefore to increase understanding& V& t' Y3 C6 h; }% \. F
about pipe joints; from pipe specifications and how to
K; {. s" O, G9 g5 \" X5 j& \/ q4 _& Juse them, to studbolts and how to identify them.With increased$ i# }3 Z; Q7 m$ Y9 C6 t1 g
awareness and knowledge, it is expected that mistakes will be
/ N. i! l5 n0 h: l/ Mprevented. |
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发表于 2010-11-22 11:01:13
