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Mainly engaged in precision manufacturing and processing, vehicle oil inlet solenoid valve, oil outlet solenoid valve, common rail pump metering valve research and development, production and sales
PRODUCT
Describe
WQ型气动钻杆卡瓦具有在石油钻井起下钻作业时自动卡持钻杆和起钻作业时自动进行钻杆刮泥的双重功能，是一种理想的井口机械化工具，适用于各种类型钻机转盘使用。它具有安装方便，操作简单，安全可靠，自动化程度高，提高起下钻速度等特点。技术指标符合SY5049。
技术参数：
| 型号 | WQ-175-5 1/2 | WQ-205-5 1/2 | WQ-275-5 1/2 | WQ-375-5 1/2 | |
| 适用转盘 | ZP175 | ZP205（ZP520） | ZP275 | ZP375 | |
| 气源工作压力 | MPa | 0.6—0.9 | |||
| psi | 87 -130 | ||||
| 有效卡紧长度 | mm | 350 | 420 | 420 | 420 |
| in | 133/4 | 161/2 | 161/2 | 161/2 | |
| 额定载荷 | kN | 2250 | 2500 | 2500 | 2500 |
| 卡瓦体放开位置高度 | mm | < 300 | |||
| in | <12 | ||||
| 适用钻杆 | in | 41/2"、5"、51/2" | |||
| 外形尺寸 | mm | φ443×584 | φ520×584 | φ697×581 | φ481×612 |
| in | φ17.5×23 | φ20.5×23 | φ27.5×23 | φ19×24 | |
| 重量 | kg | 440 | 620 | 1020 | 920 |
| lb | 970 | 1370 | 2250 | 2030 | |
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