WO2014014234A1 - Prefabricated high-pressure flow control valve - Google Patents

Description

Prefabricated High Pressure Flow Control Valve

The present invention relates to a prefabricated high pressure flow control valve, and more specifically, the flow control valve is formed into an inlet housing, an outlet housing and a flow control housing by being divided into three parts, and selectively controls the flow rate according to the characteristics of the high pressure and high temperature fluid. It is possible to control through replacement of housing, easy disassembly and assembly, easy installation of flow control means, and easy to maintain high pressure and high flow rate control valve. It is about.

In general, the valve is a device for controlling the flow rate, flow rate, pressure, etc. of the fluid flowing through the pipe. There are several types according to the purpose. The most used ones are stop valves, many made of bronze and some made of alloy steel. In addition, there are slot valves, check valves and pressure reducing valves.

In addition, the stop valve for stopping the flow is widely used as a shut-off device because it does not require a lot of manufacturing costs and easy replacement and repair of accessories. This includes a globe valve with the inlet and outlet of the fluid in a straight line and an angle valve with the inlet and outlet of the fluid at right angles. Stop valves are reliable and inexpensive, but have high fluid resistance and pressure loss.

In the slot valve, a disk-shaped valve blocks a pipe passage in a perpendicular direction to prevent flow, and pulls up and closes the disk by a screw or the like. The flow rate can be controlled by the amount of lifting. Depending on the shape of the valve, there are parallel sliding valves and wedge-shaped valves. The pressure drop is less than that of the stop valve, and the length of the valve body is short, so it is used when the flow rate is high at high pressure and high speed. Check valve is used to prevent danger or to ensure the function of the valve to flow in only one direction and to prevent the flow in the opposite direction.

The pressure reducing valve is a valve for automatically reducing the pressure of the fluid to maintain a constant pressure after the pressure reduction, and is opened and closed by a spring or a diaphragm. The cock is used to rotate the airtight sliding surface to quickly block or replace the flow of fluid. It is also simpler to operate than the stop valve, but it is used when the diameter is small and low pressure. There is also a butterfly valve which puts a disc in the passage of a pipe and controls opening and closing by the rotation. The material of the valve is selected in consideration of the operating pressure, temperature, and the type of fluid. Bronze, cast iron, steel, alloy steel, etc. are used suitably.

In particular, in the power plant, high-pressure valves are frequently used to move and stop high-temperature fluids, and there is a problem in that steam and fluid leak due to high temperature and high pressure of the fluid due to gaps in the high-pressure valves.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a prefabricated high pressure flow control valve capable of preventing leakage of steam and fluid into a gap between a high temperature and high pressure fluid.

In addition, an object of the present invention is to provide a combination of inlet, outlet, flow control housing divided into three minutes according to the conditions of the high temperature, high pressure fluid, and to provide a variety of replaceable prefabricated high pressure flow control valve.

Furthermore, the present invention is easy to replace according to fluid leakage of high temperature and high pressure as it is formed into a three-minute inlet, outlet, flow control housing, and is easy to replace or repair internal parts, as well as breakage or Another object is to provide a prefabricated high pressure flow control valve that can be partially replaced in case of damage, thereby reducing maintenance costs.

On the other hand, it is an object of the present invention to provide a prefabricated high-pressure flow control valve that can replace the high-capacity high-pressure valve with a small valve size and capacity by reducing the high pressure fluid pressure in the valve.

Furthermore, an object of the present invention is to provide a pneumatic, mechanical, electrical flow control means for forming a pneumatic, mechanical, electrical flow control valve to form a prefabricated fluid control on-off valve greatly improved versatility. .

Prefabricated high pressure flow control valve according to the present invention for solving the object as described above is formed in the outer periphery of the flange is coupled to the inlet pipe, the inlet 102 is formed at the center of the inlet 102 An inlet housing 100 in communication with the straight channel and extending in pressure from the inlet diameter, wherein the first flange 106 is formed along the outer circumference of the pressure drop coupling portion 104; A flange is formed at the periphery of the pipe, and a flange 202-1 is formed at the inner circumferential outer side of the center thereof, and an outlet 202 is formed at the inner circumferential side of the opposite side of the thread, and a locking jaw 202-2 is formed at the inner circumferential side opposite to the thread. The flow control coupling portion 204 is formed on one side of the locking step 202-2, the flow control coupling portion 204 is communicated on the straight flow path of the discharge port 202 and is larger than the diameter of the discharge opening. A discharge housing 200 in which a second flange 206 is formed along the circumference; A plurality of coupling holes 302 are formed between the inflow housing 100 and the discharge housing 200 to be flanged through the first and second flanges 106 and 206, and a fluid flow hole 304 penetrated to the center is formed. O-ring grooves 306 are formed in the left and right sides between the coupling through hole 302 and the fluid flow through holes 304 to be hermetically sealed, and interfere with the flow of fluid around the fluid flow through holes 304. A flow rate control housing 300 coupled to the flow rate control means 400 to control opening and closing of the outlet 302 of the discharge housing 200; The flow rate control means 400 is fitted to the discharge housing 200 and is coupled to the locking jaw 202-2, so that the fluid is discharged to the discharge port 202 by the flow rate control means 400. A packing sheet 500 having an inclined surface 502 corresponding thereto; The through hole 602 is screwed to the thread 202-1 of the outlet 202, the through hole so that the fluid is discharged in the center, and the packing sheet 500 along one end of the through hole 502 The anti-rolling projection 604 is formed to protrude from the center of the through hole by the flow control means 400, the support surface to support the packing sheet 500 along the outer periphery of the anti-rolling projection 604 ( Characterized in that formed; packing sheet fixture 600 for preventing and fixing the separation of the packing sheet formed 606.

Here, the flow control means 400 is integrally formed with the flow control housing 300 at the center of the fluid flow through hole 304, the plug adjustment chamber 412 is formed in the inner end of the inlet (102) side end, A plug settling chamber 414 having a plurality of flow control airtight grooves 414-1 having an O-ring coupled to the packing sheet 500 to control fluid by interacting with the packing sheet 500 is recessed inwardly at one end of an outlet side, Trim housing 410 formed so that the shaft hole 416 having a plurality of packing grooves 416-1 having an O-ring for air tightness coupled to the inner circumference thereof communicates with each other between the plug adjusting chamber 412 and the plug settling chamber 414. )and; At least one adjustment through-hole formed in the plug adjustment chamber 412 from the outer circumference of the trim housing 410; A streamlined trim head 430 coupled to the plug adjustment chamber 412 to seal the flow guide and distributing the flow of fluid flowing through the inlet 102; A plug 442 is formed in the plug settling chamber 412 and the fluid control airtight groove 414-1 to which the outer periphery is hermetically coupled to the plug set, and the plug 442 is inclined to the packing surface 500 of the packing sheet 500. The plug shaft 444 is hermetically coupled through the shaft hole 416 to extend linearly and reciprocates to form a plug shaft 444 that is elongated to the plug adjustment chamber 412, and at one end of the plug shaft 444 positioned in the plug adjustment chamber 412. And a fluid control unit 440 coupled to the plug shaft 444 to form a reciprocating motion.

On the other hand, the drive unit 450 is formed of any one of pneumatic, hydraulic, gear operation, link operation, it is preferable to operate by any one of manual and automatic.

The present invention is a high temperature, high pressure fluid can prevent the leakage of steam and fluid into the gap of the valve, and the combination of the inlet, discharge, flow control housing divided into three according to the conditions of the high temperature, high pressure fluid, various It is easy to replace due to fluid leakage of high temperature and high pressure as it is made of replaceable, three-part inflow, discharge, and flow control housing, and is easy to replace and repair internal parts as well as damage or In case of damage, partial replacement is possible, which reduces the maintenance cost.

On the other hand, the present invention is to replace the large-capacity high-pressure valve with a valve of small size and capacity by reducing the high-pressure fluid pressure in the valve, pneumatic, mechanical, to form an on-off valve for fluid control of mechanical, electrical method In addition, it is possible to apply the flow control means of the electrical method has the advantage of greatly improved versatility.

1 is an overall perspective view of a prefabricated high pressure flow control valve according to the present invention.

2 is an exploded perspective view of a prefabricated high pressure flow control valve according to the present invention.

Figure 3 is a side cross-sectional view of the prefabricated high pressure flow control valve according to the present invention.

4 is a state diagram used in the prefabricated high pressure flow control valve according to the present invention.

[Explanation of code]

100: inflow housing

102: inlet 104: pressure drop coupling

106: first flange

200: discharge housing

202: outlet 204: flow control coupling

206: second flange

300: flow control housing

302: coupled through hole 304: fluid flow through

306: O-Ring Groove

400: flow control means

410: trim housing 412: plug adjustment room

414: plug settling chamber 414-1: flow controller closed groove

416: shaft ball 416-1: packing groove

420: adjustment hole 430: streamlined trim head

440: flow control unit 442: plug

444: plug shaft 450: drive unit

500: Packing Sheet

502: slope

600: Packing Sheet Fixture

602: through hole 604: jungle prevention protrusion

606: support surface

Hereinafter, with reference to the accompanying drawings will be described in detail the prefabricated high pressure flow control valve according to the present invention.

1 is an overall perspective view of a prefabricated high pressure flow control valve according to the present invention, Figure 2 is an exploded perspective view of a prefabricated high pressure flow control valve according to the present invention, Figure 3 is a side cross-sectional view of the prefabricated high pressure flow control valve according to the present invention. 4 is a state diagram used in the prefabricated high pressure flow control valve according to the present invention.

The prefabricated high pressure flow control valve according to the present invention is capable of preventing leakage of steam and fluid into the gap between the high temperature and high pressure fluid, and the inflow, discharge, and flow control housing divided into three parts according to the conditions of the high temperature and high pressure fluid. Combination is possible and variously replaceable, and it is easy to replace due to fluid leakage of high temperature and high pressure as it is formed by three-part inflow, discharge, and flow control housing. Of course, in case of breakage or damage, partial replacement is possible. In addition, it is possible to replace a large-capacity high-pressure valve with a valve having a small specification and capacity by reducing the high-pressure fluid pressure in the valve, and to apply pneumatic, hydraulic, mechanical, electrical methods, and manual and automatic flow control means. 1 and 2, greatly improved in versatility, the inflow housing 100, the discharge housing 200, the flow control housing 300, the flow control means 400 included in the flow control housing, Packing sheet 500, the packing sheet fixture 600 is composed.

The inflow housing 100 is formed so that the high-temperature, high-pressure fluid is introduced to distribute the volume of the fluid to lower the pressure, the flange is formed to be coupled to the inlet pipe through which the high-temperature, high-pressure fluid flows on the outer periphery, At its center, an inlet 102 is formed. Here, the inlet 102 is formed in the same diameter so that the diameter of the inlet pipe is introduced without changing the pressure of the fluid of high temperature, high pressure. In addition, the pressure drop coupling part 104 is formed on the opposite side of the inlet side of the inlet housing 100 so as to communicate with the straight channel of the inlet 102 to be larger than the inlet diameter. Here, the pressure drop coupling unit 104 is positioned one end of the flow control housing to be described later to distribute the flow rate of high temperature, high pressure around the inner circumference of the pressure drop coupling unit 104 to induce the pressure to be lowered. On the other hand, along the outer circumference of the pressure drop coupling portion 104 is formed a first flange 106 which is flange-coupled with the flow control housing to be described later.

The discharge housing 200 is formed so that the high-temperature, high-pressure fluid introduced through the inflow housing is finally discharged into the discharge pipe, and the amount of fluid discharged into the discharge pipe is controlled by the flow control means of the flow control housing described below. High temperature, high pressure fluid flow rate control is possible. Here, the discharge housing 200 is formed on the outer periphery and the flange is coupled to the discharge pipe, the outlet 202 is formed in the center so that the packing sheet fasteners described later in the outlet outer inner circumference coupled with the discharge pipe is screwed Thread 202-1 is formed. In addition, a locking step 202-2 is formed on the inner outer circumference of the opposite side of the thread so that the packing sheet is engaged so that the flow rate controlling means described below can be tightly coupled and released.

 In addition, the flow control coupling portion 204 is communicated on the straight flow path of the outlet 202 to be larger than the diameter of the outlet is formed on one side of the locking step (202-2). A second flange 206 is flanged to be symmetrically coupled to the first flange 106 of the inflow housing 100 described above in a flow control housing described later along the outer circumference of the flow control coupling unit 204. . That is, as the flow control housing described below is positioned and hermetically coupled between the first and second flanges 106 and 206, the pressure rise is suppressed during the inflow and discharge of the high temperature and high pressure fluid, thereby minimizing leakage.

The flow control housing 300 lowers the pressure of the high temperature and high pressure fluid introduced from the inlet 102 of the inlet housing 100, and the pressure lowered fluid is discharged to the outlet 202 of the discharge housing 200. Formed to control the flow rate of the fluid, a plurality of coupling holes 302 is formed between the inlet housing 100 and the discharge housing 200 to be flanged through the first and second flanges 106 and 206 described above. Then, the fluid flow through hole 304 is formed in the center, the O-ring groove 306 is coupled to the O-ring for maintaining the airtight on the left and right sides between the coupling through hole 302 and the fluid flow through hole 304.

On the other hand, the fluid pressure of the high-temperature, high pressure is lowered to the center of the fluid flow through hole 304 of the flow control housing 300 than the fluid pressure of the inlet port 102, the high temperature, high pressure during the discharge of the fluid to the outlet 202 The fluid is discharged without the pressure rise of the outlet 202 side due to the vortex, and the flow control means 400 for controlling the flow of the fluid so as not to interfere with the flow of the fluid is coupled to open and close the outlet 302 of the discharge housing 200. To control.

Here, the flow rate control means 400 is formed of the trim housing 410, the adjusting through hole 420, streamlined trim head 430, the drive unit 450, the fluid control unit 460.

The trim housing 410 is formed integrally with the flow control housing 300 and is formed at the center of the fluid flow hole 304. Here, the plug control chamber 412 so that the fluid control unit 440, which will be described later inward, at the inlet 102 side end of the trim housing 410, the means for generating the driving force to determine the hermetic by horizontally reciprocating to the outlet side. ) Is indented. The plug adjustment chamber 412 is sealed by a streamlined trim head 430, which will be described later, to be separated from the high temperature and high pressure fluid.

In addition, the plug seat chamber 414 having a plurality of flow control airtight grooves 414-1 having an O-ring coupled to the packing sheet 500 to control fluid by interacting with the packing sheet 500 to be described later on the inner circumference thereof has an outlet 202. It is recessed inwardly at one end of a side. The plug settling chamber 414 is hermetically coupled to the plug 442 which will be described later to allow the reciprocating motion to correspond to and close the packing sheet of the outlet 202. Here, as shown in Figure 4, when the plug 442, which will be described later by the O-ring coupled to the flow control air tight groove 414-1 in close contact with the packing sheet 500, to the plug settle chamber 414 High-temperature, high-pressure fluid is not introduced, so that the high-temperature, high-pressure fluid is discharged to the outlet 202 is controlled.

On the other hand, as the shaft hole 416 having a plurality of packing grooves 416-1 having an O-ring for airtightness coupled to the inner circumference is formed to communicate with each other between the plug adjusting chamber 412 and the plug settling chamber 414. The driving force is transmitted to the plug 442 to control the fluid at high temperature and high pressure.

The adjustment hole 420 is formed through at least one through the outer peripheral edge of the trim housing 410 to the plug adjustment chamber 412. Here, as shown in Figure 3, the adjustment through hole 420, when the linear reciprocating movement of the flow control means by the pneumatic pressure compressed air inlet and discharge through holes are formed, the disk is plugged by the force of the compressed air The linear reciprocating motion is possible in the adjusting room 412 so that the plug 442 can perform a linear reciprocating motion toward the outlet 202. In addition, in the case of the mechanical driving device of the adjusting through hole 420, at least one through-through in the case of the electronic driving device is provided to enable a straight reciprocating motion of the plug 442 to be described later.

As shown in FIGS. 1 to 3, the streamlined trim head 430 is coupled to seal the plug adjustment chamber 412 and guides the flow of the fluid flowing through the inlet 102 to guide the pressure in the flow control housing. It is formed to descend.

The fluid control unit 440 has a plug 442 having an outer circumference corresponding to the airtightness of the plug settling chamber 412 and the fluid control hermetic groove 414-1. Here, the plug 442 is in close contact with the packing sheet 500 of the outlet 202, as mentioned earlier to control the fluid discharge and flow. In addition, the plug 442 is provided to linearly reciprocate to the inclined surface 502 of the packing sheet 500 to be described later through pneumatic, hydraulic, mechanical, and electronic driving force, and is hermetically coupled to the plug through the shaft hole 416. The plug shaft 444 is formed to extend to the adjusting chamber 412.

On the other hand, the driving unit 450 is provided to be coupled to one end of the plug shaft 444 located in the plug adjustment chamber 412, so that the plug shaft 444 reciprocates. Here, the drive unit 450 controls the fluid discharged to the outlet 202 by controlling the linear reciprocating motion of the plug 442 in accordance with the linear reciprocating motion of the disk by pneumatic, as shown in the figure of the present invention Done. The drive unit 450 of this embodiment is pneumatic as an embodiment, but can be formed to be driven by hydraulic, mechanical (gear operation, link operation), electronic and manual or automatic.

The packing sheet 500 is fitted into the outlet 202 of the discharge housing 200 to be engaged with the locking jaw 202-2, and the fluid is discharged to the outlet 202 by the flow control means 400. Is inclined surface 502 is in close contact with the flow control means 400 is formed to control the discharge. Here, the inclined surface 502 is a plug 442 when the plug 442 is moved to the packing sheet 500 to control the flow rate of the fluid discharged at high temperature and high pressure by the flow control means 400, by the plug 442 The communication volume of the outlet 202 is formed to minimize the pressure change as the volume gradually decreases, and the fluid flow is smoothly formed. Here, the inclination angle of the inclined surface 502 preferably has an inclination angle of 30 to 45 degrees.

The packing sheet fixing device 600 is screwed to the thread 202-1 of the outlet 202 so that the packing sheet 500 is not separated from the outlet 202 along the discharge flow direction of the fluid. A through hole 602 is formed to discharge the fluid. The anti-rolling protrusion 604 is formed to prevent the packing sheet 500 from being pushed by the flow control means 400 to the center of the through hole along one end of the through hole 502. That is, the anti-milling protrusion 604 is combined in a form coupled to the anti-rolling protrusion 604.

On the other hand, the support surface 606 is formed to support the packing sheet 500 along the outer periphery of the rolling preventing projection 604. Here, the supporting surface preferably forms a perpendicular surface perpendicular to the center so that the plug 442 is equally closely contacted with the packing sheet 500 without any bias toward either side.

Prefabricated high pressure flow control valve according to the present invention of the configuration as shown in Figure 2 and 3, first, the inlet housing 100 and the discharge housing 200 vertically equal to the left and right sides of the flow control housing 300 Arrange on line. Thereafter, through the bolt through the first flange 106 to couple the coupling through-hole 302 of the flow control housing 300 to the giant second flange 206, the air inflow housing-flow control housing-discharge housing in the airtight order To combine. Here, as the O-ring is settled in the O-ring groove 306 of the flow control housing 300, the fluid of high temperature and high pressure between the flow control housing 300 and the first and second flanges 106 and 206 are correspondingly coupled. Is formed to prevent it from being discharged or lost in the form of a scheme.

Next, the inlet housing 100 is coupled to the inlet pipe, the discharge housing 200 is coupled to the discharge pipe is controlled by the flow through the prefabricated high pressure flow control valve of the present invention in which the high-temperature, high-pressure fluid in the pipe communication Move.

As such, the assembled high pressure flow control valve according to the present invention can replace only the flow control housing 300 to which the flow control means 400 is coupled, as mentioned above, so that the flow control housing according to the characteristics of the fluid ( 300) can be replaced and used, and it is obvious that it can be easily replaced and repaired in case of breakage or maintenance. In other words, if the high-temperature, high-pressure fluid is controlled, damage to the valve is caused by high temperature and high pressure, so that only the damaged part can be replaced without replacing the entire valve. As the flow control housing (100, 200, 300) by the flange coupling to further improve the sealing force, the use of the valve more efficiently, as well as easy disassembly and assembly, and excellent workability.

Referring to the operating state of the prefabricated high pressure flow control valve according to the present invention as shown in Figure 4, when the fluid flows through the inlet port 102, the pressure drop coupling portion 104 is formed larger than the inlet diameter As the pressure is lowered, the fluid flows along the streamlined outer circumference by the streamlined trim head 430 sealing the plug adjustment chamber 412 of the trim housing 410 so that the high pressure fluid pressure drops and the pipe moves quickly. do. Thereafter, along the fluid flow hole 304 of the flow control housing 300, the fluid flows through the flow control coupling part 204 to the outlet 202 of the discharge housing 200 while moving through the flow control coupling unit 204 at the same pressure at which the high-temperature and high-pressure fluid is lowered. Discharged.

When the fluid moves as the pressure is lowered through the inlet to the outlet 202, and the fluid control unit 440 is operated in accordance with the operation of the driving unit 450 to control this, the plug shaft 444 is discharged to the outlet 202. ) Is moved to the inclined surface side of the packing sheet 500. At this time, the end of the plug shaft 444 is in close contact with the inclined surface 502 of the packing sheet 500, the plug 442 for controlling the flow and flow of the fluid is discharged by the distance of the plug shaft 444 ( Go to 202).

As such, when the plug 442 is moved, the volume space for discharging the high-temperature and high-pressure fluid discharged to the outlet 202 is reduced, and there is a concern that the pressure may increase, but the inclined surface 502 of the packing sheet 500 is moved. ), The flow of fluid can be controlled with minimal pressure shock.

In order to recover the flow of the controlled fluid again, if the flow proceeds in the reverse order as described above, the outlet 202 is opened again so that the high temperature and high pressure fluid is moved in the tube.

That is, the high temperature, high pressure fluid introduced through the inlet 102 as described above is passed through the pressure drop coupling portion 104 of the flow control housing 300, the pressure is lowered as it is larger than the inlet diameter, and thus the valve It is obvious that it is possible to provide more general purpose and wide range of high-pressure flow control valves with a wide range of flow control with a single valve, thereby reducing facility cost and maintenance cost. .

In other words, once again, the inflow housing 100 and the discharge housing 200 are easily disassembled so that replacement due to a malfunction, failure, breakage, etc. of the flow control means 400 installed in the flow control housing 300 may occur. It is easy to check the leakage part due to high pressure through the three-minute valve, which reduces maintenance costs, and it is possible to replace some parts without the need to replace the entire open / close valve. Can be saved. In addition, it is more obvious that the drive unit can be universally used because of the advantageous application of various types of flow control means 400 such as pneumatic, hydraulic, mechanical, electronic, manual and automatic.

On the other hand, in the detailed description of the present invention has been described with respect to specific embodiments, to those skilled in the art that various modifications are possible without departing from the scope of the invention, such modifications are claimed It is in the range of a base material.

Claims (3)

The outer periphery is formed with a flange for coupling with the inlet pipe, the inlet 102 is formed at the center thereof, the pressure drop coupling portion 104 is communicated on the straight flow path of the inlet 102 to extend than the inlet diameter And an inflow housing (100) having a first flange (106) formed along an outer circumference of the pressure drop coupling unit (104); On the outer periphery is formed a flange that is coupled to the discharge pipe, a screw thread (202-1) is formed on the inner outer periphery of the center, the discharge port 202 formed with a catching jaw (202-2) on the inner outer periphery opposite the thread Is formed, the flow control coupling portion 204 is communicated on the straight flow path of the discharge port 202 is larger than the diameter of the discharge port is formed on one side of the locking step 202-2, the flow control coupling portion 204 A discharge housing 200 in which a second flange 206 is formed along the outer circumference; A plurality of coupling holes 302 are formed between the inflow housing 100 and the discharge housing 200 to be flanged through the first and second flanges 106 and 206, and a fluid flow hole 304 penetrated to the center is formed. O-ring grooves 306 are formed in the left and right sides between the coupling through hole 302 and the fluid flow through holes 304 to be hermetically sealed, and interfere with the flow of fluid around the fluid flow through holes 304. A flow rate control housing 300 coupled to the flow rate control means 400 to control opening and closing of the outlet 302 of the discharge housing 200; The flow rate control means 400 is fitted to the discharge housing 200 and is coupled to the locking jaw 202-2, so that the fluid is discharged to the discharge port 202 by the flow rate control means 400. A packing sheet 500 having an inclined surface 502 corresponding thereto; The through hole 602 is screwed to the thread 202-1 of the outlet 202, the through hole so that the fluid is discharged in the center, and the packing sheet 500 along one end of the through hole 502 The anti-rolling projection 604 is formed to protrude from the center of the through hole by the flow control means 400, the support surface to support the packing sheet 500 along the outer periphery of the anti-rolling projection 604 ( Prefabricated high-pressure flow control valve, characterized in that formed; The method of claim 1, The flow control means 400 is formed at the center of the fluid flow through hole 304 integrally with the flow control housing 300, the plug adjustment chamber 412 is recessed inwardly at one end of the inlet 102 side, the inner circumference A plug settling chamber 414 having a plurality of flow control airtight grooves 414-1 to which an O-ring is coupled to interact with the packing sheet 500 to control the fluid is formed in the inlet at one end of the outlet side, and has an inner circumference. A shaft housing 416 having a plurality of packing grooves 416-1 having an O-ring for airtight therebetween so as to communicate with each other between the plug adjusting chamber 412 and the plug settling chamber 414. ; At least one adjustment through-hole formed in the plug adjustment chamber 412 from the outer circumference of the trim housing 410; A streamlined trim head 430 coupled to the plug adjustment chamber 412 to seal the flow guide and distributing the flow of fluid flowing through the inlet 102; A plug 442 is formed in the plug settling chamber 412 and the fluid control airtight groove 414-1 to which the outer periphery is hermetically coupled to the plug set, and the plug 442 is inclined to the packing surface 500 of the packing sheet 500. The plug shaft 444 is hermetically coupled through the shaft hole 416 to extend linearly and reciprocates to form a plug shaft 444 that is elongated to the plug adjustment chamber 412, and at one end of the plug shaft 444 positioned in the plug adjustment chamber 412. And a fluid control unit 440 having a drive unit 450 coupled to the plug shaft 444 to reciprocate the prefabricated high pressure flow control valve. The method of claim 1, The drive unit 450 is formed of any one of pneumatic, hydraulic, gear operation, link operation, prefabricated high pressure flow control valve, characterized in that operated by any one of manual and automatic.

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