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Introduction
# G" p0 D' M: Z1 A! J# fThis booklet has been written as an introduction to and a7 E* b" O8 p1 d4 n# u t* o1 Z e
source of general information on pipe joints.
& z: v( R8 e' |' A8 [. \) ?The flanged joint appears deceptively simple but in fact the
1 M3 d) {5 ?' v4 Jscience of flanges and joint sealing is complex and continuously7 h9 n) e* d1 i6 H, R# `
developing. Sound joints are critical to piping integrity and# o( Z5 o% _; d4 G/ q* G9 C
plant safety.6 c3 S- a: d2 S/ B7 g
A pipe joint thus relies on the skill and application of the fitter
2 B) O. J: @+ |4 b1 }6 @who puts it together. Correct selection of materials, application
% I, n3 N u6 S$ {8 G: o6 u/ Cof procedures, correct use of tools combined with the fitter’s
5 t: B- G% H# y: bskill are all required to ensure a joint of maximum integrity.
, g% \9 [* F+ l' g$ gBut mistakes have happened; choosing the wrong gaskets,
- W$ U1 `6 J1 e& @( ^& husing the wrong studbolts. Such mistakes cannot be ignored.% N6 I3 w h/ G) u* `
The purpose of this booklet is therefore to increase understanding% e2 w4 H0 N. }* c+ w
about pipe joints; from pipe specifications and how to
6 K$ W- ~2 y4 j m, U- fuse them, to studbolts and how to identify them.With increased
, H$ C# n) \" z( e9 ]9 q% qawareness and knowledge, it is expected that mistakes will be2 v5 A" e4 X9 y! F% y0 H7 o% q
prevented. |
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发表于 2010-11-22 11:01:13
