Description

This Float Valve is normally installed in a standard bore-back of the bit sub, to provide fluid flow control at the bottom of the drill stem. It also prevents backflow of cuttings from plugging the drill bit jets while making connections. The Float Valve Sub is a bit sub in which a float valve is installed. Its connection is ordered by user. The Supplier Put a float valve into the bore of the sub according to specification of standard API. Mechanical property of material of sub conforms to the requirement of standard SY/T********2 and API.