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Introduction
! O$ N* z0 w2 ~* [& e/ tThis booklet has been written as an introduction to and a! }! e( j) S8 P# k4 x
source of general information on pipe joints.$ F7 G5 \, n, a+ Y
The flanged joint appears deceptively simple but in fact the
4 \2 R f7 `$ G, n& K7 W8 jscience of flanges and joint sealing is complex and continuously
$ Q& A$ ]% Q* R4 D: Q& [5 tdeveloping. Sound joints are critical to piping integrity and! x1 ?. B: ~* W" y
plant safety.* d% V' Z* J$ W
A pipe joint thus relies on the skill and application of the fitter0 y. ^5 S4 W: y( C$ H: l7 [1 l' a
who puts it together. Correct selection of materials, application' L* V7 C/ Z. B3 H$ y9 ?" H) [; H9 s
of procedures, correct use of tools combined with the fitter’s0 p4 R" G# e5 K$ ^6 ^* D% X% I0 L
skill are all required to ensure a joint of maximum integrity.
8 d" H" k5 J0 N# h( p( q; iBut mistakes have happened; choosing the wrong gaskets,) X& m# ~9 D& q) T
using the wrong studbolts. Such mistakes cannot be ignored.
T2 `* h: J9 Z+ G5 f' ]The purpose of this booklet is therefore to increase understanding
: v2 y7 S) U5 C( k* D3 sabout pipe joints; from pipe specifications and how to9 Y8 T: ]4 k, K2 y* K' t
use them, to studbolts and how to identify them.With increased- n) r# K0 i c; U; w2 y; b2 w
awareness and knowledge, it is expected that mistakes will be) B/ M1 h) Z1 ^! v! A& n1 [! C
prevented. |
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发表于 2010-11-22 11:01:13
