FLOW COUPLING
Product No. BI 819-20, 25, 26
Description and Application
The Flow Coupling is a thick-walled section of tubing that minimises the resultant effects of internal erosion that can occur in a tubing string in a flowing well. Changes in the diametral cross-section of a flow stream cause turbulence which accentuates the erosive effects of abrasive particles carried in the flow stream and can also cause erosion by cavitation effects. Flow Couplings are commonly installed immediately downstream and upstream of major turbulence inducing locations in a tubing column.
The flow coupling OD and ID are sized to be compatible with the particular tubing size weight with which they are intended to be utilised, and are provided with this appropriate tubing thread connections.
PRODUCT CLASSIFICATION
BI 819-20 4140 Steel heat treated to 30-36 Rc
BI 819-25 4140 Steel heat treated to 18-22 Rc
BI 819-26 9Cr 1 Mo heat treated to 18-22 Rc
