When a bolt is not to play in a large flange bolt hole welding place.
在打螺栓孔的时候是不可以把螺栓孔打在有大型法兰焊口的地方的。
As a general rule, piping flanges should be concentric to pump nozzles to within the flange bolt hole clearance tolerance.
管路法兰与泵口要同心，偏差不能超过法兰螺栓孔尺寸公差。
Special style for bursting disc surrounding open bolt hole flange to clamp style. With the method of manufacturing agreement.
特殊样式为爆破片周边开螺栓孔用法兰对夹样式。需与制造方协商。
Permissible deviation of bolt hole circle diameter on flange and permissible limited deviation of two adjacent holes on flange shall be less than 0.6mm.
法兰螺栓口中心圆的直径的容许偏差及法兰相邻两孔极限容许偏差的应小于0.6毫米。
Limited distance deviation of the optional bolt hole on flange shall be 2mm.
法兰上非强制螺栓孔的有限距离偏差应该为2毫米。
Limited distance deviation of the optional bolt hole on flange shall be 2mm.
法兰上非强制螺栓孔的有限距离偏差应该为2毫米。
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