3K Single-Ram BOP

We offer an extensive portfolio of blowout preventer (BOP) designs suitable for wells in extreme applications.


We provide an extensive portfolio of BOPs for wells using rod pumps as a form of artificial lift. Our various BOP designs can handle a wide range of pressures in both common and extreme applications. Our market-leading manufacturing, quality, engineering, and service teams set the highest standard in the industry for supporting our customers’ production needs.


  • 3,000 psi MWP
  • Standard models NACE compliant
  • All-steel construction eliminates risk of casting porosity
  • ¼-in. NPT ports above and below rams for bleeding pressure

3K Single-Ram BOP Specifications

Top connection 2.375 in. EUE 2.875 in. EUE 3.500 in. EUE
Bottom connection 2.375 in. EUE 2.875 in. EUE 3.500 in. EUE
Vertical bore 2.060 in. 2.510 in. 3.100 in.
Working pressure 3,000 psi
Body and cap material Alloy steel
Ram material Alloy steel
Ram screw and packing gland Alloy steel
Ram size options 1.25 and 1.50 in.
Ram screw packing HSN (HNBR)
Side outlet connections N/A
Height 12 in.
Weight 95 lb
Width (rams open) 20.75 in./17.75 in.

Note: The rams are bidirectional and do not need to be flipped before installation. This rod BOP can be installed pin-down or box-down..

Ram material AISI 4130
Ram seal HSN
Maximum temperature 325°F
Maximum H2S 10%
Maximum CO2 20%

Note: Above temperatures are suggested maximum short-term ratings and should not be considered as a continuous operating temperature.

  • Production Service Hookup Brochure

  • Hercules HP 3K BOP Family Spec Sheet