Min. Order Reference FOB Price
1 Piece US$88.00-388.00 / Piece
Product Description
5F 6R Drill Pipe Float Valve Sub Factory Price Drill pipe float valve is a kind of special tool for blowout and block prevention in drilling operation. During normal drilling, the valve cap is opened and the drilling fluid is circulated freely. When a well kick or blowout occurs, the valve cap is ...