Drill pipe circulating head

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  • Top connection is the drill pipe box thread, and the below connection is the casing pin thread
  • High strength material and non-welded structure can withstand higher working pressure

Description

Mainly specification
Size(in) Length(mm) O.D.(mm) Thread
5-1/2” 270 139.7 STC
LTC
BTC
7” 270 177.8
9-5/8” 270 244.5
10-3/4” 270 273
13-3/8” 270 339.7
20” 323 508
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