钢制管法兰ASME/ANSL B 16.5a -1992 B 16.47-1996 美标标准
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钢制管法兰ASME/ANSL B 16.5a -1992 B 16.47-1996
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Class150～Class600
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Class900～Class1500
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蝶阀 通风蝶阀
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CLASS 150 RF
(PN2.0MPa)
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DN
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NPS
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D
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K
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L
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螺栓n-Th
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d
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f
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C
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25
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1
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108
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74.5
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15
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4-M14
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51
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2
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12
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40
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11/2
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127
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98.5
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15
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4-M14
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73
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2
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15
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50
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2
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152
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120.5
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18
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4-M16
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92
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2
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16
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65
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21/2
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178
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139.5
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18
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4-M16
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105
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2
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18
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80
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3
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190
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152.5
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18
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4-M16
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127
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2
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19
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100
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4
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229
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190.5
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18
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8-M16
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157
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2
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24
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125
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5
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254
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216
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22
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8-M20
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186
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2
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24
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150
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6
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279
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241.5
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22
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8-M20
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216
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2
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26
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200
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8
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343
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298.5
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22
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8-M20
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270
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2
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29
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250
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10
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406
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362
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26
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12-M24
|
324
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2
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31
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300
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12
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483
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432
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26
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12-M24
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381
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2
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32
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350
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14
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533
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476
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29
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12-M27
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413
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2
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35
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400
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16
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579
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540
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29
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16-M27
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470
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2
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37
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450
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18
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635
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578
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32
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16-M30
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533
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2
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40
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500
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20
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699
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635
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32
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20-M30
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584
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2
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43
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600
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24
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813
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749.5
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35
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20-M33
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692
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2
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48
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700
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28
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927
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863.5
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35
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28-M33
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800
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2
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72
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800
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32
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1060
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978
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41
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28-M39
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914
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2
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81
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CLASS 300 RF
(PN5.0MPa)
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DN
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NPS
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D
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K
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L
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螺栓n-Th
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d
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f
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C
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25
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1
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124
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89
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19
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4-M16
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51
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2
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18
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40
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11/2
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156
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114.5
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22
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4-M20
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73
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2
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21
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50
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2
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165
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127
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19
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8-M16
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92
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2
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23
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65
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21/2
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190
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149
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22
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8-M20
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105
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2
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26
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80
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3
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210
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168.5
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22
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8-M20
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127
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2
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29
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100
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4
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254
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200
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22
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8-M20
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157
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2
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32
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125
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5
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279
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235
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22
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8-M20
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186
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2
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35
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150
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6
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318
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270
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22
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12-M20
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216
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2
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37
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200
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8
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381
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330
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26
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12-M24
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270
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2
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42
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250
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10
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445
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387.5
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29
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16-M27
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324
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2
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48
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300
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12
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521
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451
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32
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16-M30
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381
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2
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51
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350
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14
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584
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514.5
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32
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20-M30
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413
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2
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54
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400
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16
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648
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571.5
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35
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20-M33
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470
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2
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58
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450
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18
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711
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628.5
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35
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24-M33
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533
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2
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61
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500
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20
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775
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686
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35
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24-M33
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584
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2
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64
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600
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24
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914
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813
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41
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24-M39
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692
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2
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70
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700
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28
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1035
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940
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45
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28-M42
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800
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2
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86
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800
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32
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1149
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1054
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52
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28-M48
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914
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2
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99
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CLASS 600 RF
(PN11.0MPa)
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DN
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NPS
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D
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K
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L
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螺栓n-Th
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d
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f
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C
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25
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1
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124
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89
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19
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4-M16
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51
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6.4
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18
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40
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11/2
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165
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114.5
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22
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4-M20
|
73
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6.4
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23
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50
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2
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165
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127
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19
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8-M16
|
92
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6.4
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26
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65
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21/2
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190
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149
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22
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8-M20
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105
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6.4
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29
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80
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3
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210
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168
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22
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8-M20
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127
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6.4
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32
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100
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4
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273
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216
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26
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8-M24
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157
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6.4
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38
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125
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5
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330
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266.5
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29
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8-M27
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186
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6.4
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45
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150
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6
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356
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292
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29
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12-M27
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216
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6.4
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48
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200
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8
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419
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349
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32
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12-M30
|
270
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6.4
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56
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250
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10
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508
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432
|
35
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16-M33
|
324
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6.4
|
64
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300
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12
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559
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489
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35
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20-M33
|
381
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6.4
|
67
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|
350
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14
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603
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527
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38
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20-M36
|
413
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6.4
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70
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|
400
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16
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686
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603
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41
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20-M39
|
470
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6.4
|
77
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|
450
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18
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743
|
654
|
44
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20-M42
|
533
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6.4
|
83
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|
500
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20
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813
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724
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44
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24-M42
|
584
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6.4
|
89
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600
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24
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940
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838
|
52
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24-M48
|
692
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6.4
|
102
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|
700
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28
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1037
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965.2
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54
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28-M48
|
800
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6.4
|
111
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800
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32
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1149
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1079.5
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60
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28-M56
|
914
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6.4
|
117
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CLASS 900 (PN15.0MPa)
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CLASS 1500 (PN26.0MPa)
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