PARVEEN non-return type Inside Blow Out Preventor is suitable for use on drill pipe which has spring loaded type valve & seat mechanism to shut off the pressure from drill string. During normal operation it allows downward flow of circulation material coming thru mud pump, stand pipe, rotary swivel & drilling hose but prevent upward flow when circulation stops. When back flow occurs valve closes automatically & stabbing to its position and thus not only protects mud pump, stand pipe, rotary swivel, drilling hose from damage but also prevents blow out.
PARVEEN B.O.P. also have the mechanism to hold the valve in open condition against the well pressure with the help of hold down bar or release rod and release handle – release pin/stud mechanism. For proper standing of B.O.P. base stand can also be provided.
