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Introduction
& R/ Z. b! p- i {4 \This booklet has been written as an introduction to and a+ e. C# o d+ N. L+ y; T
source of general information on pipe joints.
- U/ L. B& h4 O9 h. b' E0 E; {The flanged joint appears deceptively simple but in fact the# [8 M) x7 `1 S; p1 w
science of flanges and joint sealing is complex and continuously2 i& W' G1 F! b" y B
developing. Sound joints are critical to piping integrity and
7 m/ {) I8 y8 c( g8 v% V% cplant safety.
r6 O& B4 w9 gA pipe joint thus relies on the skill and application of the fitter! Q7 a) u# q2 W6 W& }
who puts it together. Correct selection of materials, application
/ z* a8 B" E0 S4 [/ |of procedures, correct use of tools combined with the fitter’s
9 u8 @. V$ f5 ?8 g% S3 Hskill are all required to ensure a joint of maximum integrity.) }+ O3 C: ~- \
But mistakes have happened; choosing the wrong gaskets,5 m# V3 m! g8 K! \% [
using the wrong studbolts. Such mistakes cannot be ignored.5 z! I4 S8 ]1 ^2 ?2 X4 \4 ]. s
The purpose of this booklet is therefore to increase understanding ]4 A$ F( y8 `1 Z
about pipe joints; from pipe specifications and how to
" x3 f6 d0 X( v7 `$ w) cuse them, to studbolts and how to identify them.With increased; H5 v( W/ P4 R) P* p9 P
awareness and knowledge, it is expected that mistakes will be
' Y& s5 k) c/ W/ P' a- Vprevented. |
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发表于 2010-11-22 11:01:13
