孔板法兰 orifice flange
泵法兰孔装配面 pump flange port surface
平焊法兰人孔 manhole with common welded flange
无孔法兰盘 blind flange ; blank flange
对焊法兰手孔 handhole with butt welded flange
对焊法兰人孔 manhole with butt welded flange
法兰螺栓孔 flange bolt hole
桥壳法兰钻孔机 axle house flange drilling machine
带颈对焊孔板法兰 KWN
对于焊法兰手孔 handhole with butt welded flange
碳钢法兰和法兰管件，150磅，符合相关法兰孔尺寸。
Carbon Steel Flanges and Flanged Fittings, 150 lb. Conforms to related flange drilling dimensions.
如果操作装置的安装孔与阀门法兰孔没有对应上，就要把锁定螺栓退回，旋转手轮式的螺栓孔对准为止。
If the operator mounting holes do not line up with the valve flange holes, the stop screw (s) should be backed off and handwheel turned until holes are aligned.
接着，用水族箱硅胶把法兰盘底、四个螺丝孔以及管孔周围全都涂抹上，然后钻入四枚木螺钉固定好。
Then, use the aquarium silicone to seal under the flange around all 4 screw holes and around the pipe hole and screw it down with 4 short wood screws.
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