Manual Torque Wrench-bolt Tightening (Chinese)

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Chinese Version

Transcript of Manual Torque Wrench-bolt Tightening (Chinese)

Page 1: Manual Torque Wrench-bolt Tightening (Chinese)

Plant Engineering Construction Pte Ltd

螺栓紧固

人工力矩扳手 √

使用人工扭力扳手

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1. 目的2. 培训对象3. 安全4. 现场整洁5. 工具6. 螺栓紧固7. 螺栓紧固力矩

内容

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这堂培训的目的是保证你们熟悉 ECC 工程对以上任务的要求,同时通过现场练习来提升你们的个人技巧。

目 的

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参加者 下面这些人需要参加这个培训• 管道督工• 管道队长• 具有法兰对接证的人员

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工具

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人工扭力扳手

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螺栓紧固

力矩值参考所给的图表,在螺栓紧固之前确保使用正确的力矩值。如果螺栓的材料没有列在所给的图表中,请联系 QA/QC, 索取正确的力矩值和所用力度。

参考图纸请参考经批准的图纸法兰型号和材料螺栓和螺帽的等级螺栓和螺帽的型号法兰垫片的型号和颜色标记管段号和接口号

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Plant Engineering Construction Pte Ltd

螺栓紧固力矩

加在法兰垫片上的压力要均匀以保证理想的密封。

螺栓紧固力矩

最后还需要对所有的螺丝进行次检查,确保全部紧固。

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Plant Engineering Construction Pte Ltd

扭力扳手手工紧固所有的螺母 首先对角线的紧固螺母,使其达到所要求力矩的 50% 。然后再按 90º 的方向紧固第三个螺母,再紧对角线的第四个螺母。正确的紧固顺序请看下一张。

人工扭力扳手 步骤 1

4 孔 8 孔 12 孔

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同样的顺序来紧固剩下的螺丝,用所规定的力矩值得50%

重复以上的顺序给螺丝紧固到规定力矩值的 80% 。

步骤2

人工扭力扳手

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Plant Engineering Construction Pte Ltd

重复以上的次序紧固螺栓到力矩的 100% ,即指定的力矩值。 对于各力矩值,请看下一张。

人工扭力扳手 步骤3

• 检查所有的螺丝都被紧固到推荐的力矩值。• 检查一圈以保证法兰垫片被均匀地紧固好了。

检查

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11000 11008-UH1 13033 31071-KS 33015-H2 61180-H2 152021

11000-H1 11009 16095-H1 31073-H1 33033 62020 152021-H2

11000-HV 11011-H1 18160 31076-H2 33055 62021 153033-H1

11000-XHV 11031-H1 31000 31085-H2 33055-H1 62021-H1 153033-H2

11002 11032-HV 31000-H1 31180-H2 33096-H1 62120 252021-H2

11002 11071 31002 31180-H4 33191 63013-H1 252091-H1

11002-XH1 11085-H2 31002-H1 31261-H1 33191-H1 63015-H2 252091-H2

11003 11085-H4 31008 32011-H1 61008-H1 63060

11003-UH1 12021 31011-H1 32021 61071-KS 63095-H1

11008 12021-H1 31032-H1 32110 61073-H1 63096-H1

11008-H1 13013-H1 31071 33013-H1 61076-H2 92021

特殊的管道(只允许使用人工扭力扳手)

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力矩值和法兰完美安装

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Multiplier 的使用

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力矩扳手的使用

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力矩扳手的使用

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BOLT DIA Flange 0.5" to 24" Flange 26" to 60"

(INCH) TORQUE (Nm) TORQUE (ft/lbs) TORQUE (Nm) TORQUE (ft/lbs)

      Carbon steel Stainless steel Carbon steel Stainless steel

½ 70 52 70   52  

5/8 125 93 125   93  

¾ 195 144 195   144  

7/8 290 214 290   214  

1 400 296 300 200 222 148

1 1/8 560 414 420 280 310 207

1 ¼ 740 546 560 370 414 273

1 3/8 980 723 740 490 546 362

1 ½ 1200 886 900 600 664 443

1 5/8 1490 1100 1120 745 827 550

1 ¾ 1810 1336 1360 905 1004 668

1 7/8 2160 1594 1620 1080 1195 797

2 2560 1889 1920 1280 1417 945

2 ¼ 3480 2567 2610 1740 1926 1284

2 ½ 4560 3364 3420 2280 2523 1682

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4 孔

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检查法兰确保所有的螺栓都被紧固了

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8 孔

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检查法兰确保所有的螺栓都被紧固了

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16 孔

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检查法兰确保所有的螺栓都被紧固了

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检查

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培训评估1. 训练员应该评估所有的参加者,确定他们明白培训中的要点和有足够的个人能力来完成螺栓紧固的任务。2. 评估可以通过询问,问题和答案,现场练习的技巧来进行,或者是三者结合起来。3. 此次的评估要存档。

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法兰垫片存储 , 处置 & 准备

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放映结束

问题和解答