DU钻杆卡瓦
[发布时间：2016/6/13 14:46:57] [浏览量：2696次]
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DU系列转盘卡瓦由DU型、DUL型和SDU型三种型式的转盘卡瓦组成，该卡瓦扣合范围广、重量轻，其中SDU型卡瓦背锥接触面大、强度高，耐磨性好。产品按API Spec 7K规范要求设计、制造。
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型号
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卡瓦体尺寸
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4.1/2
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DU
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钻杆直径
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in
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2.3/8
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2.7/8
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3.1/2
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4
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4.1/2
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mm
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60.3
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73.0
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88.9
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101.6
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114.3
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DUL
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钻杆直径
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in
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2.3/8
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2.7/8
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3.1/2
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4
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4.1/2
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mm
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60.3
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73.0
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88.9
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101.6
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114.3
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SDU
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钻杆直径
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in
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-
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-
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-
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-
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-
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mm
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-
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-
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-
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-
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-
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型号
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卡瓦体尺寸
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5.1/2
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DU
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钻杆直径
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in
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3.1/2
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4
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4.1/2
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5
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5.1/2
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mm
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88.9
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101.6
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114.3
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127
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139.7
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DUL
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钻杆直径
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in
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3.1/2
|
4
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4.1/2
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5
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5.1/2
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|
mm
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88.9
|
101.6
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114.3
|
127
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139.7
|
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SDU
|
钻杆直径
|
in
|
3.1/2
|
4
|
4.1/2
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5
|
5.1/2
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mm
|
88.9
|
101.6
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114.3
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127
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139.7
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型号
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卡瓦体尺寸
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7
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DU
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钻杆直径
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in
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4.1/2
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5
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5.1/2
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6.5/8
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7
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mm
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114.3
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127
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139.7
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168.3
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177.8
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DUL
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钻杆直径
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in
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-
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-
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-
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-
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-
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mm
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-
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-
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-
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-
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-
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SDU
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钻杆直径
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in
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4.1/2
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5
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5.1/2
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6.5/8
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7
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mm
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114.3
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127
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139.7
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168.3
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177.8
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