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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

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发表于 2009-3-2 14:44:55 | 显示全部楼层 |阅读模式
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. {4 \6 w9 m1 E2 F
Installation
: ~2 j$ u1 W/ o& ], q; I; H  cDon`t use flange sealings. The seat ring of the Butterfly valves has a sealing lip which operates as flange
0 J; J6 F6 G, w8 W2 x4 x& m* I9 s4 vgasket between valve and flange during mounting.; |0 ~% m* I5 `6 t, y6 Y- I7 `
• Insert the valve with the disc in the nearly closed position between the flanges. lf the flanges are located too
2 P! f1 H' p# }+ _# b+ {- s6 ^! Aclosely in an existing pipe, they must be so spreaded by means of a special device that the valve can be
3 Q/ }! \6 u6 ?: t2 S( M6 measily installed with clearance .& C' k& W5 x: o7 Y
• Mount the flange boIts and centre and align the valve between the flanges. Hand-screw the flange bolts.3 H2 O0 w& M+ \
Spot weld the flanges to the pipe .
2 A* y" a5 t  O3 m; [• Before cross-tightening the flange bolts uniformly, it must be ensured by the test actuation that the valve
2 j/ X5 H  r8 j, u+ {$ Zdisc can move freely within the connecting flanges .2 }# j; H6 C" ^
Attention! In case of improper insertion of the disc between the flanges, the seat ring may be displaced and/ j  D) n0 `% u6 Y7 Q/ Y9 R
destroyed during the first operations. Similarly, the sealing strip of the valve disc can be damaged if it is not
* Y3 l0 N5 C% z/ B$ U( uobserved that the disc can move freely between the flanges.
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发表于 2009-3-3 13:04:30 | 显示全部楼层
安装) e+ A- P+ I6 W/ y, I! @$ F  C

  C. A. O) K( E请勿使用法兰密封件。蝶阀阀座密封面上有一圈密封唇可以充当阀与法兰之间的垫片。(刀口法兰?还是组合垫?)
2 S* M7 {1 R0 `; p
' g2 M! G4 j; z% v7 j# @将阀门关闭后,将装好阀板的阀门插入到法兰之间。如果法兰离现有的管路太近,应通过一种特殊设备将管路撑开,以便腾出安装间隙。% o4 r+ F, Q; ]6 V! ^2 j+ p# s
; C) M: [$ |5 K' k& q; k
装上法兰螺栓,对准阀门和法兰的中心。2 H; U9 x; K) y0 P) i( }' X
拧紧法兰螺栓。4 M  ^* z: }: M# M; ]
现场将法兰焊接到管路中。
# z- j# N1 ], A' g$ H( X. v" Q# d* q+ [6 q& G6 S
在交叉拧紧法兰螺栓之前,必须测试阀板在运动时与所连接的法兰不会发生干涉。9 _' e) i5 ]2 _
' F; \: W' ?# u7 y6 D* q0 W
注意!一旦安装阀板错误(与法兰干涉),阀座密封圈会在第一次运动时位移并损坏。同样的,如果没有注意阀板是否能在法兰间自由运动,阀板的密封圈会被损坏。
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发表于 2009-3-3 15:12:15 | 显示全部楼层
翻译的不错!( ^_^ )
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