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Introduction" L( r/ ]) `2 N: I5 g/ e
This booklet has been written as an introduction to and a
# d. H. y4 H9 P! ~, |source of general information on pipe joints.
# v2 G# i# ~! Q3 W; tThe flanged joint appears deceptively simple but in fact the$ ]' c' j9 C& j- f9 K' r
science of flanges and joint sealing is complex and continuously
0 h1 e# E( d, hdeveloping. Sound joints are critical to piping integrity and
# Q6 W9 D* i6 F& k1 hplant safety.. l' V, J' e. m* v3 w0 @5 ~
A pipe joint thus relies on the skill and application of the fitter3 i4 Q0 n v2 {/ ?
who puts it together. Correct selection of materials, application: U+ U( l2 N9 J& j
of procedures, correct use of tools combined with the fitter’s
6 a0 I* O) z9 rskill are all required to ensure a joint of maximum integrity.
, K. S" p5 S4 T% ?" LBut mistakes have happened; choosing the wrong gaskets," c5 S3 |9 A5 P1 R' s$ P
using the wrong studbolts. Such mistakes cannot be ignored.
$ X( P) s6 i; m; XThe purpose of this booklet is therefore to increase understanding
) b, Y4 L* [2 e& Sabout pipe joints; from pipe specifications and how to% O) s6 z7 T1 A$ k/ l& l; e
use them, to studbolts and how to identify them.With increased& z# r6 U8 |0 P# ]0 p& H$ y2 Z
awareness and knowledge, it is expected that mistakes will be* p2 t8 b: d9 L9 W. [' q- i
prevented. |
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发表于 2010-11-22 11:01:13
