Inventors:
Ryan Gustafson - Cypress TX, US
Salvador Reyes - Houston TX, US
Perrin Rodriguez - Cypress TX, US
Assignee:
Hydril USA Manufacturing LLC - Houston TX
International Classification:
E21B 34/02, E21B 33/06, F16L 55/04, F16K 31/12
US Classification:
166 862, 166363, 13750518, 13750538, 251 13
Abstract:
A flow regulator includes a flow regulating part configured to receive at an inlet a working fluid at a first pressure and to release the working fluid at an outlet at a second pressure; a slide provided inside the flow regulating part and configured to move along an axis to reduce the pressure of the working fluid; a control part attached to the flow regulating part, the control part including a chamber; a spring housing provided in the chamber and connected to the slide though a shaft, the spring housing configured to move the slide along the axis; a cap provided in the chamber and facing the spring housing, the cap being configured to have plural blind holes; and plural pins extending along the axis and attached to the spring housing, the plural pins being configured to enter the plural blind holes.