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Introduction" z+ u% I: O7 t- O f
This booklet has been written as an introduction to and a/ J+ w9 c! j: b7 m( {7 x, O
source of general information on pipe joints.& J* p7 r* k( j O* E7 ~; {# S
The flanged joint appears deceptively simple but in fact the
8 _" Z( }. T2 G% V/ c4 W9 I9 E3 cscience of flanges and joint sealing is complex and continuously
" O G% w' z# T8 s3 r9 W1 t( Sdeveloping. Sound joints are critical to piping integrity and
/ ?7 a' k4 ~9 |0 j/ D7 O1 H0 lplant safety.
8 [' J- D3 L- G0 cA pipe joint thus relies on the skill and application of the fitter' R& V( l9 b& y% ^2 A) ]# C
who puts it together. Correct selection of materials, application
% f% Y. R# m% N* w7 D7 D7 Pof procedures, correct use of tools combined with the fitter’s
# b) o" v1 ? O/ S8 P0 eskill are all required to ensure a joint of maximum integrity.
2 J$ W# H( |; y# k% x* E( @: nBut mistakes have happened; choosing the wrong gaskets,
9 D& Q" g" y4 t1 u' t# tusing the wrong studbolts. Such mistakes cannot be ignored.
9 B! d& y! R6 ]6 {% m3 \5 lThe purpose of this booklet is therefore to increase understanding; J/ u: d: a. i9 W% Q6 n* t
about pipe joints; from pipe specifications and how to
' v; `! B3 H' d/ }0 c8 Iuse them, to studbolts and how to identify them.With increased( o9 K' J! L; y7 z- D+ R
awareness and knowledge, it is expected that mistakes will be
- N( X5 `& d t, `+ R% X/ ~ U+ nprevented. |
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发表于 2010-11-22 11:01:13
