客戶提供的關(guān)于閥門安裝的說明，求大蝦幫忙翻譯解釋一下，謝謝

charles006

客戶提供的關(guān)于閥門安裝的說明，求大蝦幫忙翻譯解釋一下，謝謝
! @" L0 M# M8 B. e; AInstallation
Don`t use flange sealings. The seat ring of the Butterfly valves has a sealing lip which operates as flange
& }; y9 Z$ s0 }- tgasket between valve and flange during mounting.
• Insert the valve with the disc in the nearly closed position between the flanges. lf the flanges are located too
& c5 M8 A( R0 y3 lclosely in an existing pipe, they must be so spreaded by means of a special device that the valve can be
easily installed with clearance .
• Mount the flange boIts and centre and align the valve between the flanges. Hand-screw the flange bolts.
Spot weld the flanges to the pipe .
6 \1 w5 K, {9 q. N3 m" p/ w+ k• Before cross-tightening the flange bolts uniformly, it must be ensured by the test actuation that the valve
  q- s) W& p- h' \$ u, `, D$ `4 o) _disc can move freely within the connecting flanges .
Attention! In case of improper insertion of the disc between the flanges, the seat ring may be displaced and
& n& `% R* E8 z" j  Zdestroyed during the first operations. Similarly, the sealing strip of the valve disc can be damaged if it is not
8 ~$ C5 ~( X$ z1 I" B# l' ^5 kobserved that the disc can move freely between the flanges.

左旋貝殼

安裝

請勿使用法蘭密封件。蝶閥閥座密封面上有一圈密封唇可以充當(dāng)閥與法蘭之間的墊片。（刀口法蘭？還是組合墊？）
1 ^9 P( a4 j5 n9 q9 O2 O
% t1 y- w+ E- J! A- W( w! \) `將閥門關(guān)閉后，將裝好閥板的閥門插入到法蘭之間。如果法蘭離現(xiàn)有的管路太近，應(yīng)通過一種特殊設(shè)備將管路撐開，以便騰出安裝間隙。
) w5 M' _. z! @, y4 c6 }
裝上法蘭螺栓，對準(zhǔn)閥門和法蘭的中心。
擰緊法蘭螺栓。
現(xiàn)場將法蘭焊接到管路中。

在交叉擰緊法蘭螺栓之前，必須測試閥板在運動時與所連接的法蘭不會發(fā)生干涉。

注意！一旦安裝閥板錯誤（與法蘭干涉），閥座密封圈會在第一次運動時位移并損壞。同樣的，如果沒有注意閥板是否能在法蘭間自由運動，閥板的密封圈會被損壞。

學(xué)著

翻譯的不錯！( ^_^ )