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客户提供的关于阀门安装的说明，求大虾帮忙翻译解释一下，谢谢
, e% x; x- p7 U# T$ {* RInstallation
5 L, I+ g/ Q' l# KDon`t use flange sealings. The seat ring of the Butterfly valves has a sealing lip which operates as flange
/ b; U+ b+ o4 b; z t7 Qgasket between valve and flange during mounting.8 w/ S" D- a, V
• Insert the valve with the disc in the nearly closed position between the flanges. lf the flanges are located too
" s5 @8 F; {; ?. w: ~% |closely in an existing pipe, they must be so spreaded by means of a special device that the valve can be
4 F' h3 k) X5 t$ A0 J; R( Z6 v# veasily installed with clearance .
/ L" R% J& o& d• Mount the flange boIts and centre and align the valve between the flanges. Hand-screw the flange bolts.
# f- l9 S* c+ a, C) [) ySpot weld the flanges to the pipe .- ^6 V" o( B8 o `2 c/ z
• Before cross-tightening the flange bolts uniformly, it must be ensured by the test actuation that the valve
. j$ ^* W8 t1 A- |" N9 Adisc can move freely within the connecting flanges .7 a3 N5 d3 H6 t' H( [5 ?# O
Attention! In case of improper insertion of the disc between the flanges, the seat ring may be displaced and' c& ~: Z9 O8 F' Y4 U( n
destroyed during the first operations. Similarly, the sealing strip of the valve disc can be damaged if it is not
$ R, j" H7 ~' w. R( Zobserved that the disc can move freely between the flanges. |
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发表于 2009-3-2 14:44:55
