The utility model belongs to the torquetesting device of the screw pump well on an oilfield pump recovery wellhead.
本实用新型属于油田机采井口上的螺杆泵井扭矩测试装置。
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The spring balancer can ensure the operation space and improve operation environment, and is suitable for hanging pneumatic tool with installation torquetesting function.
Has introduced the principle of the air-gap torque method, give the hardware of the ventilator efficiency testing system and illustrated the efficiency testing process.