Back-pressure Valve Nera back-pressure valve is according to API standard and achieved theNational Utility Model. Floating valve is a new-style blowoutpreventer within the drill. The valve is open through which the drill fluid can circulate when drilling goes normally. The valve will close to prevent blowout when well kick or blowout happens. It can effectively prevent drill fluid flowing back and prevent sands flowing into the drill pipe to avoid blocking up. It is a specific tool for blowout preventing in drilling. The structure of floating valve is so scientific that it can avoid corruption and short lifetime which are the common problems of their kind to insure of the protection in the whole procedure of drilling. Size(mm)DC sizeEffective length (mm)Bearing pressure (MPa)ConnectionFJ1054-1/8”51070NC31 FJ1214 -3/4″50070NC38 FJ1656- 1/2″70070NC46/NC50 FJ1726 -3/4″70070NC46/NC50 FJ1787″70070NC50 FJ2038″75070NC56/6-5/8REG
Delivery terms and packaging
Packaging Detail: seaworthy packing Delivery Detail: 15 45 days after payment received
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