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Product Description--Crossover subs
Crossover subs is used to crossover from one connection size to another or as the disposable component used to extend the connection life of a more expensive drill stem member.
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Product application
a. mainly used to connect two or three different specifications
b. connect different caliber sizes
c. connect different thread buckle types of oil casing and wellhead devices.
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Product usage
a. Before use, check whether the thread type is consistent with the type designed on the drawing.
b. Clean the threads and check if there are any bumps, cracks, or other defects on the surface of the threads.
c. Apply thread sealing grease evenly on both ends of the thread.
d. Rotate and tighten the two threads to the torque specified in the API standard.
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Product packing
Fumigation wooden cases or as per clients request.
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