内螺纹气动球阀分为整体式、两段式及三段式。阀体铸造采用国外引进的工艺,结构合理、造型美观。阀座采用弹性密封结构,密封可靠,启闭轻松。阀杆采用倒密封的下装式结构,阀腔异常升压时,阀杆不会被冲出
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尺寸(mm)
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公称通径DN(mm)
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三段式
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对焊式
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承插焊式
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执行器型号(63000RA系列)
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6
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G
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L
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d
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L
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d
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D
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d
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D1
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A
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50/63RA
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10
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1/4
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65
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11.6
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65
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11.6
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18
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11.6
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14.1-14.3
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9.5
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50/63RA
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15
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3/8
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65
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12.7
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65
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12.7
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18
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12.7
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17.55-17.8
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9.5
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50/63RA
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20
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1/2
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67
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15
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67
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15.8
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24
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15
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21.7-21.95
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9.5
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63/83RA
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25
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3/4
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82
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20
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82
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20
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28
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20
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27.5-27.3
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11.1
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63/83RA
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32
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1
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91
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25
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91
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25
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34
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25
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33.8-34.05
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12.7
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63/83RA
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40
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11/4
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108
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32
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108
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32
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41
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32
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42.55-42.8
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14.3
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83/110RA
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50
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21/2
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139
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38
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129
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38
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49
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38
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48.65-48.9
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15.9
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83/110RA
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65
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2
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148
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50
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148
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50
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62
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50
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61.1-61.35
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17.4
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110/127RA
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80
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21/2
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186
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64
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193
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64
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78
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127/127RA
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100
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3
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206
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78
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222
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78
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94
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127/160RA
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4
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240
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98
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273
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98
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124
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