紧固件中,nut(螺母)可分为butterfly nut (蝶形螺母)/cap nut (盖螺母)/castle nut (槽顶螺母)/check nut(防松螺母)flanged nut (凸椽螺母)/lock nut(锁紧螺母)等; bolt(螺栓)可分为big-end ...
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安装安全阀阀盖螺母,并加以紧固。
注:如果出现少量的泄漏,则拆卸锁紧螺丝,然后锁住垫圈和阀盖,然后轻轻紧固填料压紧螺母。
NOTE: If minor leakage occurs, remove lock screw, lock washer and cap and lightly tighten packing gland nut.
人孔盖使用不锈钢螺栓和螺母拧紧。
Stainless steel bolts and nuts shall be tightened on manhole covers.
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