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Topland Oilfield Supplies Ltd.

China Manufacturer with main products: Drill Pipe, Handing Tools, Wellhead Equipment, Downhole Tools, Drilling Accessories, Drilling Equipment, HP Control Equipment, Power Engine

Home  >Products Catalog > Inside BOP/Inside Blowout Preventer/Inside BOP Valve

Inside BOP/Inside Blowout Preventer/Inside BOP Valve

FOB Price: 1.00 - 100000.00 USD/Piece
Payment Terms: T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shanghai in China

Quick Details

  • Use: Well Drilling
  • Material: Iron
  • Certification: API
  • Type: Bop
  • Brand Name: UPET


Inside BOPInside blowout preventerInside BOP valve

the Inside Bop is a heavy-duty drop check valve with a conical plug to reduce the cutting action of the mud on the valve seat, ensuring positive closure whenever required. Installed in the drill string, it can protect the rotary swivel, rotary hose, stand pipe, and mud pumps from drill pipekicks. It may be used along with high-pressure pumps to maintain well control by preventing high-pressure backflow.

A special release tool allows the valve to be held open to permit stabbing into position against a backflow of fluid. this optional release tool can be installed on the float valve and the entire assembly kept ready on the rig floor for quick installation at the first signs of serious backflow when drill pipe is pulled from the well.




Mm (inch)

Mm (inch)


Mm (inch)


95 (3 3/4)

35 (1 3/8)


660 (26)


111 (4 3/8)

35 (1 3/8)


670 (26 3/8)


121 (4 3/4)

45 (1 49/64)


685 (26 31/32)


159 (6 1/4)

57.2 (2 1/4)


760 (29 59/64)


165 (6 1/2)

57.2 (2 1/4)


760 (29 59/64)


178 (7)

57.2 (2 1/4)


988 (38 57/64)


203 (8)

71.4 (2 13/16)

6 5/8REG

988 (38 57/64)


241 (9 1/2)

71.4 (2 13/16)

7 5/8REG

988 (38 57/64)

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