DU型鉆桿卡瓦
相關介紹
DU系列轉盤卡瓦由DU型、DUL型和SDU型三種型式的轉盤卡瓦組成,該卡瓦扣合范圍廣、重量輕,其中SDU型卡瓦背錐接觸面大、強度高,產品按API Spec 7K要求設計制造。
型號 |
卡瓦體尺寸 | 41/2 | |||||
DU | 鉆桿直徑 | in | 23/8 | 27/8 |
31/2 |
4 | 41/2 |
mm | 60.3 | 73.0 | 88.9 | 101.6 | 114.3 | ||
DUL | 鉆桿直徑 | in | 23/8 | 27/8 |
31/2 |
4 | 41/2 |
mm | 60.3 | 73.0 | 88.9 | 101.6 | 114.3 | ||
SDU | 鉆桿直徑 | in | - | - | - | - | - |
mm | - | - | - | - | - | ||
型號 |
卡瓦體尺寸 | 51/2 | |||||
DU | 鉆桿直徑 | in | 31/2 | 4 | 41/2 | 5 | 51/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
DUL | 鉆桿直徑 | in | 31/2 | 4 | 41/2 | 5 | 51/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
SDU | 鉆桿直徑 | in | 31/2 | 4 | 41/2 | 5 | 51/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
型號 |
卡瓦體尺寸 | 7 | |||||
DU | 鉆桿直徑 | in | 41/2 | 5 | 51/2 | 65/8 | 7 |
mm | 114.3 | 127 | 139.7 | 168.3 | 177.8 | ||
DUL | 鉆桿直徑 | in | 41/2 | 5 | 51/2 | 65/8 | 7 |
mm | 114.3 | 127 | 139.7 |
|
177.8 | ||
SDU | 鉆桿直徑 | in | 41/2 | 5 | 51/2 | 65/8 | 7 |
mm | 114.3 | 127 | 139.7 | 168.3 | 177.8 |