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Introduction
+ k6 r6 M* o: N% _This booklet has been written as an introduction to and a0 T7 V& G5 m" O
source of general information on pipe joints.
) H. A2 d4 d, _2 J4 m' O- fThe flanged joint appears deceptively simple but in fact the; p# U0 x# E" U+ B
science of flanges and joint sealing is complex and continuously
9 I% Q) _$ B8 f3 J& p/ b! l6 cdeveloping. Sound joints are critical to piping integrity and
1 V) y4 G( X3 c) y9 vplant safety.
. g6 G3 |3 A+ ^8 x, }" f/ q% d; ^A pipe joint thus relies on the skill and application of the fitter
4 ^1 a2 d4 Q y$ i! W6 \3 V. Qwho puts it together. Correct selection of materials, application
: I6 g- y# B9 Z2 y2 f2 A' F# mof procedures, correct use of tools combined with the fitter’s1 i+ k, i' G* N# e! H m
skill are all required to ensure a joint of maximum integrity.
4 {9 @/ E" }' t8 o7 jBut mistakes have happened; choosing the wrong gaskets,$ Q) m( t. J, s, u, ]& p' U
using the wrong studbolts. Such mistakes cannot be ignored.
1 O" x1 E& j X) K$ s: }5 Q, ~. M: qThe purpose of this booklet is therefore to increase understanding
! Z) o& A" C' x h" x0 wabout pipe joints; from pipe specifications and how to
; Q- U G# t4 U, ~9 K! S- K1 cuse them, to studbolts and how to identify them.With increased# [+ ~$ O1 L% j9 \6 i5 I9 m
awareness and knowledge, it is expected that mistakes will be
. I, W( G" A! m |6 i: n4 q: D3 w4 Mprevented. |
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发表于 2010-11-22 11:01:13
