显示标签为“VARCO PNEUMATIC SAFETY SPINNING”的博文。显示所有博文
显示标签为“VARCO PNEUMATIC SAFETY SPINNING”的博文。显示所有博文

2017年5月12日星期五

Equivalent for VARCO PNEUMATIC SAFETY SPINNING

Pneumatic safety spinning is a pneumatically powered tool for spinning drill pipe from 3 1/2'' to 5 1/2'' OD. Using the proven principal of frictional drive contact, the spinning wrench can spin drill pipe in or out quickly and efficiently without damage to expensive drill pipe and without the hazards of the dangerous spinning chain.

Pneumatic safety spinning conforms to API Spec. 7K.



Jining Donghong Machinery Co., Ltd
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