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A device for controlling fluid flow pressure and flow rate is disclosed. The device includes a first orifice plate, a second orifice plate housed in a tubular structure. The first orifice plate includes a first orifice of a first diameter (d1) and the first orifice is positioned near an edge of the

A device for controlling fluid flow pressure and flow rate is disclosed. The device includes a first orifice plate, a second orifice plate housed in a tubular structure. The first orifice plate includes a first orifice of a first diameter (d1) and the first orifice is positioned near an edge of the first orifice plate. The second orifice plate includes a second orifice of a second diameter (d2) and the second orifice is positioned near an edge of the second orifice plate. The tubular structure has an effective diameter (D) comprising the first orifice plate and the second orifice plate placed at perpendicular direction to the fluid flow within the tubular structure, separated by an optimum distance (X).

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1. A device for managing pressure and flow rate of a fluid comprising: a first orifice plate having one first orifice, the one first orifice having a first diameter (d1), the one first orifice positioned near an edge of the first orifice plate;a second orifice plate having one second orifice, the on

1. A device for managing pressure and flow rate of a fluid comprising: a first orifice plate having one first orifice, the one first orifice having a first diameter (d1), the one first orifice positioned near an edge of the first orifice plate;a second orifice plate having one second orifice, the one second orifice having a second diameter (d2), the one second orifice positioned near an edge of the second orifice plate; anda tubular structure having an effective diameter (D) comprising the first orifice plate and the second orifice plate placed at perpendicular direction to the fluid flow within the tubular structure, separated by a distance (X),wherein the pressure and/or the flow rate downstream of the device are lower than the pressure and/or flow rate upstream of the device and wherein the one first orifice and the one second orifice effect the lowering of the pressure and/or flow ratewherein the distance (X) between the first orifice plate and the second orifice plate is dependent on the first diameter (d1) and/or the second diameter (d2);and wherein the first orifice plate and the second orifice plate have a thickness of about 3 mm for the upstream pressure up to 14 kg/cm2 in a tubular structure having an effective diameter (D) of 13 mm. 2. The device of claim 1, wherein the one first orifice is positioned near the edge of the first orifice plate and the one second orifice is positioned near the edge of the second orifice plate, such that the first orifice and the second orifice are positioned to be diagonally opposite with respect to each other within the device. 3. The device of claim 1, wherein the first diameter and the second diameter are equal. 4. The device of claim 1, wherein the distance (X) is preferably equal to 6 times of the first diameter (d1) or 6 times of the second diameter (d2). 5. The device of claim 1, wherein the pressure and the flow rate at the down stream is dependent on the first diameter (d1) and/or the second diameter (d2). 6. The device of claim 1, wherein the first orifice and the second orifice are straight edged. 7. The device of claim 1, wherein the thickness of the first orifice plate and the second orifice plate depends on an upstream pressure of the fluid flow rate and the material of the tubular structure, the first and the second orifice plates. 8. The device of claim 1, wherein the effective diameter (D) is about 4 to about 6 times the first orifice diameter (d1) or the second orifice diameter (d2). 9. The device of claim 8, wherein the material comprises one or more of copper, bronze, iron, or metallic material. 10. The device of claim 1, wherein the pressure and the flow rate down stream of the device depend on the first orifice diameter (d1) and/or the second orifice diameter (d2). 11. The device of claim 1, wherein the distance between the two orifice plates is dependent on fluid physical characteristics and chemical characteristics. 12. The device of claim 11, wherein the fluid physical characteristics are selected from a group comprising viscosity, temperature, surface tension, dielectric constant, and density. 13. The device of claim 1, wherein the fluid comprises a liquid and/or a gas. 14. The device of claim 1, wherein the tubular structure comprises a cross sectional shape selectable from one of a circle, an ellipse, a polygon or an irregular cross section. 15. The device of claim 1, wherein the first orifice plate and the second orifice plate are configured to be removably fixed within the tubular structure and wherein the first orifice plate and the second orifice plate are rigidly fixed within the tubular structure. 16. An apparatus for managing pressure and flow rate of fluid flow comprising: an inlet for receiving the incoming fluid flow; a device operatively coupled to the inlet, the device comprising: a first orifice plate having one first orifice, the one first orifice having a first diameter (d1), the one first orifice positioned near an edge of the first orifice plate, a second orifice plate having one second orifice, the one second orifice having a second diameter (d2), the one second orifice positioned near an edge of the second orifice plate, a tubular structure having an effective diameter (D) comprising the first orifice plate and the second orifice plate placed at perpendicular direction to the fluid flow within the tubular structure, separated by a distance (X); and an outlet for releasing the fluid flow, wherein the distance (X) between the first orifice plate and the second orifice plate is dependent on the first diameter (d1) and/or the second diameter (d2) and wherein the first orifice plate and the second orifice plate have a thickness of about 3 mm for, the upstream pressure up to 14 kg/cm2 in a tubular structure having an effective diameter (D) of 13 mm. 17. The apparatus of claim 16, wherein the distance (X) is preferably equal to 6 times of the first diameter (d1) or 6 times of the second diameter (d2). 18. The apparatus of claim 16, wherein the pressure and the flow rate at the down stream is dependent on the first diameter (d1) and/or the second diameter (d2). 19. The apparatus of claim 16, wherein the effective diameter (D) is about 4 to about 6 times the first orifice diameter (d1) or the second orifice diameter (d2). 20. A method of manufacturing a device for controlling pressure and flow rate of a fluid flow, the method comprising: providing a tubular structure having a diameter (D); providing a first orifice plate having one first orifice rigidly fixed to an inlet edge of the tubular structure; and providing a second orifice plate having one second orifice rigidly fixed to an outlet edge of the tubular structure, wherein the first orifice plate and the second orifice plate are placed perpendicular to the fluid flow direction within the tubular structure, separated by an optimum distance (X), wherein the distance (X) between the first orifice plate and the second orifice plate is dependent on the first diameter (d1) and/or the second diameter (d2), and wherein the first orifice plate and the second orifice plate have a thickness of about 3 mm for the upstream pressure up to 14 kg/cm2 in a tubular structure having an effective diameter (D) of 13 mm.