卡套式端直通管接頭
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本標準規定了卡套式端直通管接頭，適用于油、氣及一般腐蝕性介質的管路系統。
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標記示例：
公稱壓力J級，管子外徑D0為14mm的卡套式端直通管接頭：
管接頭J14 GB/T3733.1-1983
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管子外徑D0
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公稱通徑DN
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d5
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d
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l
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l1
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L≈
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扳手尺寸
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e
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e1
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重 量（kg/100件）
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S
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S1
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G(25)
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4
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3
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M10×1
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8
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8
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23
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15
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15
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17.3
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17.3
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2.27
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5
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3.5
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6
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4
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9.7
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27
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16
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18.5
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2.83
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8
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6
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M12×1.5
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12
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13
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30
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16
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18
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18.5
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20.8
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4.53
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10
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8
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M14×1.5
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34
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18
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21
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20.8
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24.2
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5.83
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12
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10
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M16×1.5
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14
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21
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24
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24.2
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27.7
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7.7
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14
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12
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M18×1.5
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24
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27.7
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8.83
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16
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14
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M22×1.5
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14
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15
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36
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27
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27
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31.2
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31.2
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12.2
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18
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15
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30
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34.6
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13.6
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20
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17
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M27×2
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16
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39
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34
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34
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39.3
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39.3
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19.4
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22
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19
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18.5
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43
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36
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41.6
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22.1
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25
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22
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M33×2
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18
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20.5
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46
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41
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41
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47.3
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47.3
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32.1
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28
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24
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21.5
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47
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32.3
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J(40)
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6
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3
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M12×1.5/G1/8″
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12
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13.5
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31
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16
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18
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18.5
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20.8
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5.24
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8
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5
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M14×1.5/G1/4″
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14.5
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33
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18
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21
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20.8
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24.2
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6.57
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10
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7
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M16×1.5/G3/8″
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15
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36
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21
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24
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24.2
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27.7
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8.97
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12
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8
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M80×1.5/G(1/2″)
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16
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37
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24
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27.7
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10.9
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14
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10
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14
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38
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27
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27
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31.2
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31.2
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13.9
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16
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12
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M22×1.5
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17
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39
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30
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34.6
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16.5
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18
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14
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40
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30
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34
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34.6
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39.3
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16.7
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20
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16
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M27×2
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16
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21
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48
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34
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36
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39.3
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41.6
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26.6
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22
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18
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49
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36
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41
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41.6
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47.3
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33.2
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