JP6050901B2 - Valve device and piping assembly device - Google Patents

Description

The present invention is related to the inlet and outlet sides of the pipe valve connection port is formed apparatus and the valve device and the piping and collecting apparatus that is equipped with a sensor for the valve device monitoring which opens in a direction mutually exclusive.

Conventionally, in this type of pipe assembly device, as seen in Patent Document 1 (see FIG. 18), the position of the inlet side branch pipe connection port and the outlet side branch pipe are used to attach the valve devices to the left and right sides of the pipe assembly device, respectively. Two types of valve devices are required in which the position of the connection port is switched left and right .

JP 2011-60269 A

In view of this situation, the main object of the present invention is to provide a valve device that is advantageous in terms of manufacturing cost .

The valve device according to the present disclosure is:
A valve device in which a pipe connection port on an inlet side and an outlet side opening in directions opposite to each other is formed,
The direction in which the pipe connection port on the inlet side and the outlet side faces is the left-right direction, the direction perpendicular to the left-right direction and facing the upper side and the lower side of the pipe when attached to the pipe is the up-down direction, and the left-right direction When the direction perpendicular to the vertical direction is the front-rear direction, the position of the inlet-side pipe connection port and the position of the outlet-side pipe connection port are reversed by rotating up and down by rotating around the longitudinal axis. It is configured to be able to equip the pipe with a left-right interchanged posture,
As a sensor mounting portion for inserting and mounting the sensor for monitoring the valve device, an upper surface side sensor mounting portion is formed on the upper surface portion located on the upper side in the vertical direction of the valve device, and the lower side of the valve device in the vertical direction Forming a lower surface side sensor mounting portion on the lower surface portion located on the side,
For the valve device equipped in the pipe without performing the upside down, the sensor can be attached to the upper surface side sensor mounting portion,
About the said valve apparatus which performed the said upside down and was equipped in the said piping, the said sensor can be attached to the said lower surface side sensor attaching part .

According to this configuration, the position of the inlet side branch pipe connection port and the position of the outlet side branch pipe connection port in the valve device depends on whether the branch pipe is arranged on the right side or the left side of the trunk pipe in the vertical posture. Can be dealt with by simply turning the valve device upside down by rotating around the axial center.
In addition, for the valve device installed in the branch pipe (pipe) without upside down, the sensor is attached to the upper surface side sensor mounting part, while for the valve device installed in the branch pipe (pipe) by turning upside down, the sensor In any case, the sensor can be attached to the substantially upper surface of the valve device, and the sensor can be mounted in the same manner.
Accordingly, it is possible to eliminate the need to manufacture two types of valve devices in which the position of the inlet side branch pipe connection port and the position of the outlet side branch pipe connection port are switched on the left and right sides, which can be further advantageous in terms of manufacturing cost. .

Hereinafter, the suitable aspect of the valve apparatus which concerns on this indication is demonstrated. However, the scope of the present disclosure is not limited by the preferred embodiments described below.

As one aspect, the inlet side and the outlet side are connected to the connection block formed with the inlet side and outlet side pipe connection ports opening in directions opposite to each other through the inlet side and outlet side internal channels formed in the connection block. It is preferable that a steam trap communicating with the pipe connection port is connected and the upper block side sensor mounting portion and the lower surface side sensor mounting portion are provided in the connection block .

According to this structure, compared with attaching a sensor to the branch pipe part etc. which were distant from the connection unit of a connection block and a steam trap, an apparatus structure can be simplified .
As one aspect, it is preferable that an opening / closing valve for opening and closing the internal flow path on the inlet side or the outlet side in the connection block is provided in the connection block.
As one aspect, for the valve device installed in the pipe without performing upside down, a blow-down valve that opens the inside of the valve device to the atmosphere can be attached to the lower surface side sensor attachment portion, With respect to the valve device that is installed in the pipe by performing reversal, it is preferable that the blow-down valve can be attached to the upper surface side sensor attachment portion.
According to this configuration, the blow-down valve using the sensor mounting portion that is located on the substantial lower surface portion of the valve device and to which the sensor is not mounted, of the upper surface side sensor mounting portion and the lower surface side sensor mounting portion. Therefore, it is not necessary to form dedicated blow-down valve mounting portions on the upper surface portion and the lower surface portion of the valve device separately from the upper surface side sensor mounting portion and the lower surface side sensor mounting portion. The structure of the valve device can be simplified, and the device cost can be further reduced.

The piping assembly device according to the present disclosure is:
A plurality of laterally oriented branch pipes are connected to a vertically oriented trunk pipe in a vertically arranged state dispersed in the vertical direction, and the valve device and the valve device monitoring sensor according to the present disclosure are respectively connected to the branch pipes as the pipes Is equipped.
As one aspect, the upper sensor installed in the upper branch of the branch pipes adjacent to each other in the upper and lower directions is retracted in a horizontal direction from a position directly above the lower sensor installed in the lower branch pipe. It is preferable to equip with the branch pipe.
According to this configuration, by retracting the upper sensor from the position directly above the lower sensor in the horizontal direction, the upper and lower sensors interfere with each other in the installation of the sensors and the connection of signal lines to the sensors. Since this is avoided, the vertical distance between the branch pipes can be reduced by that amount, whereby the entire apparatus can be reduced in size in the height direction.
As one aspect, the plurality of branch pipes are connected to the trunk pipe in a parallel arrangement state arranged in the vertical direction in parallel postures, and the upper sensor is connected to the longitudinal direction of the branch pipe from a position directly above the lower sensor. It is preferable that the upper branch pipe is equipped with the arrangement retracted to the upper part.
In the implementation of the pipe assembly apparatus described above, in order to equip the upper branch pipe with the upper sensor in the horizontal direction from the position directly above the lower sensor, as shown in FIG. 16 and FIG. It is also conceivable that the branch pipe 1 itself is connected to the main pipe 2 in an arrangement in which the branch pipe 1 is retreated in the horizontal direction from a position directly above the lower branch pipe 1 by parallel movement rearward or rotational movement around the main pipe 2. . On the other hand, according to this configuration, since the plurality of branch pipes are connected in parallel to each other in the vertical direction and connected to the trunk pipe as compared with the arrangement form in which the upper branch pipe itself is retracted, It is possible to reduce the size in the thickness direction (that is, the direction perpendicular to the vertical plane including the juxtaposed rows of branch pipes), thereby improving the installation property of the apparatus.
As one aspect, it is preferable that an individual monitor for individually processing the detection information of each of the sensors is connected to each of the sensors.

  According to this configuration, since each individual monitor is connected to each of the sensors, it is possible to avoid extending the signal line connected to each of the sensors in a long state in a state where the signal line is detoured to each branch pipe. This can facilitate the manufacture of the device.

  As one aspect, it is preferable to provide a common monitor that controls and processes the detection information of each of the sensors.

  According to this configuration, since the detection information of each sensor is processed by the common monitor, the apparatus cost can be reduced compared to providing a plurality of monitors that individually process the detection information of each sensor. Can do.

  As one aspect, the individual monitor or the common monitor has a transmitter that wirelessly transmits detection information of the sensor to a central monitoring device, or a function of the valve device based on the detection information of the sensor. It is preferable that an analysis unit for analyzing the state is provided.

  According to this structure, when providing a transmission part in an individual monitor or a common monitor, based on the sensor detection information transmitted by the transmission part, a central monitoring apparatus can monitor the functional state of each valve apparatus.

  Further, when the analysis unit is provided in the individual monitor or the common monitor, the individual monitor or the common monitor can analyze the functional state of each valve device based on the sensor detection information.

  In addition, when providing an analysis unit in an individual monitor or a common monitor, a notification unit that notifies the analysis result by the analysis unit to the surroundings, or a transmission unit that transmits the analysis result by the analysis unit to the central monitoring device or an individual monitor or It is desirable to install in a common monitor.

  As one aspect, the stem pipe is formed with a plurality of branch pipe connection ports for connecting the plurality of branch pipes to each other, and a gate seat for opening and closing the branch pipe connection ports is formed. Is preferred.

  According to this configuration, as shown in FIG. 10, when the stem pipe 2 is used as a fluid assembly header, the inflow of fluid from each branch pipe 1 to the stem pipe 2 is attached to the mounting seat 24. It can be turned on and off individually by opening and closing.

  Further, as shown in FIG. 7, when the trunk pipe 2 is used as a fluid distribution header, the fluid is sent from the trunk pipe 2 to each branch pipe 1 individually by opening / closing the gate valve 25 attached to the mounting seat 24. Can be intermittent.

  Further, as shown in FIG. 2, if the opening for inserting the valve body in the mounting seat 24 is closed by the lid body 24a without attaching the gate valve to the mounting seat 24, the trunk pipe 2 can be simply assembled header or It can function as a distribution header.

  That is, according to this configuration, the functionality and versatility of the apparatus can be improved.

Perspective view of piping assembly device Front view of piping assembly device Side view of piping assembly device Rear view of piping assembly device External view of valve device Vertical section of valve device A perspective view showing an example of use as a distribution header for a trunk pipe The perspective view which shows another embodiment The perspective view which shows another embodiment Front view showing another embodiment Perspective section showing another embodiment Front view showing another embodiment The top view which shows another embodiment Front view showing another embodiment Front view showing another embodiment Side view showing another embodiment Plan view of another embodiment Front view showing a conventional piping assembly device

  1 to 4 show an example of a pipe assembly apparatus. In this pipe assembly apparatus, a plurality of laterally oriented branch pipes 1 are arranged in a parallel arrangement in the vertical direction, and with respect to a trunk pipe 2 in a vertical attitude. Thus, one end of each of the branch pipes 1 is connected to a trunk pipe 2 as a pipe header.

  The trunk pipe 2 is in a vertical posture (or almost vertical posture), and the branch pipes 1 are arranged in a vertical direction (or substantially vertical direction) in a posture parallel to each other.

  The other end of each of the branch pipes 1 (that is, the end opposite to the end on the connection side with respect to the trunk pipe 2) is connected to a conduit 3 that guides condensate containing steam, such as a condensate discharge passage of a steam using device. Each branch pipe 1 is equipped with a valve device 5 having a disk-type steam trap 4 and a sensor 6 for monitoring the valve device 5.

  In other words, in this pipe assembly apparatus, the steam of the mixed fluid of the steam and condensate flowing into each branch pipe 1 is prevented from passing by the steam trap 4 and only the condensate is gathered in the trunk pipe 2. The condensate gathered in is returned from the upper end of the trunk pipe 2 to the boiler or the like through the return path 7.

  A blow valve 8 is connected to the lower end portion of the trunk pipe 2, and when necessary, such as during maintenance, the inside of the trunk pipe 2 is opened to the atmosphere by opening the blow valve 8.

  The trunk tube 2 is connected to a support column 9 that is erected on the floor, and the entire device including the branch tube 1 and the valve device 5 is supported by the support column 9.

  As shown in FIGS. 5 and 6, the valve device 5 provided in the branch pipe 1 has a connection block 10 formed with inlet-side and outlet-side branch pipe connection ports 10 a and 10 b that are concentric and open in opposite directions. A trap mounting seat 11 for attaching the steam trap 4 is formed on the rear surface portion of the connection block 10.

  The trap mounting seat 11 is provided with trap connection ports 12 a and 13 a for the inlet-side and outlet-side internal flow passages 12 and 13 formed inside the connection block 10, and a steam trap attached to the trap mounting seat 11. 4 communicates with the inlet side branch pipe connection port 10a in the connection block 10 through the inlet side internal flow path 12, and communicates with the outlet side branch pipe connection port 10b in the connection block 10 through the outlet side internal flow path 13. .

  That is, the valve device 5 provided in the branch pipe 1 includes a connecting unit of a connection block 10 interposed in the branch pipe 1 and a steam trap 4 attached to the rear surface portion of the connection block 10.

  The mixed fluid of the steam and the condensate flowing into the branch pipe 1 flows into the steam trap 4 from the inlet side branch pipe connection port 10 a in the connection block 10 through the inlet side internal flow path 12, and is separated from the steam by the steam trap 4. The condensate is sent from the steam trap 4 to the downstream side portion of the branch pipe 1 (that is, the connection side portion to the trunk pipe 2) through the outlet side internal flow path 13 and the outlet side branch pipe connection port 10b in the connection block 10.

  The trap connection port 12 a of the inlet side internal flow path 12 is opened at the center of the trap mounting seat 11, while the trap connection port 13 a of the outlet side internal flow path 13 is a trap of the inlet side internal flow path 12. An annular groove structure centered on the connection port 12a is formed in the trap mounting seat 11.

  That is, the steam trap 4 is trapped in each of the inlet-side internal flow path 12 and the outlet-side internal flow path 13 even when the steam trap 4 is rotated 180 ° around the axial center p passing through the center of the trap mounting seat 11 and turned upside down. It can be attached to the trap mounting seat 11 in a state where it is properly communicated with the connection ports 12a and 13a.

  In the connection block 10, an inlet-side on-off valve 14 that opens and closes the inlet-side internal flow path 12 and an outlet-side on-off valve 15 that opens and closes the outlet-side internal flow path 13 are integrated with the connection block 10. The operation parts 14a, 15a of the inlet side and outlet side opening / closing valves 14, 15 are arranged in a V shape in plan view and are separated from each other toward the front side, and obliquely forward in a horizontal posture. It protrudes from the front part of the connection block 10.

  In addition, a strainer 16 is provided in the connection block 10 in an integrated state, and the strainer 16 is disposed between the inlet-side on-off valve 14 and the trap connection port 12a in the inner flow path 12 on the inlet side. .

  The screen insertion / removal portion 16 a of the strainer 16 is provided on the front surface portion of the connection block 10 between the inlet side opening / closing valve 14 and the outlet side opening / closing valve 15.

  On the upper surface of the connection block 10, dual-purpose mounting ports 17 a and 17 b are formed on the inlet side and on the outlet side, and on the lower surface of the connection block 10, the upper and lower dual-purpose mounting ports 17 a and 17 b are formed vertically. Similarly, the inlet side and outlet side dual-purpose mounting ports 18a and 18b are formed in a symmetrical arrangement.

  The valve device 5 composed of a connecting unit of the connection block 10 and the steam trap 4 can be attached to the branch pipe 1 even in a posture in which the valve apparatus 5 is turned upside down by rotation around a longitudinal axis p orthogonal to the branch pipe 1. 2, the valve device 5 disposed on the right side (right side) of the stem tube 2 is arranged around the axial center p. The branch pipe 1 is mounted in a state where the position of the inlet side branch pipe connection port 10a and the position of the outlet side branch pipe connection port 10b are interchanged left and right by turning upside down.

  In other words, the valve device 5 arranged on the right side is mounted on the branch pipe 1 in such a state that the valve device 5 is turned upside down by the rotation about the longitudinal axis p in this way, so that the operation portion 14a of the inlet side opening / closing valve 14 and the outlet side While the operation part 15a of the on-off valve 15 and the screen insertion / removal part 16a are configured to protrude forward in the same manner as the valve device 5 arranged on the left side, the fluid passage direction in the strainer 16 is the fluid in the branch pipe 1 arranged on the right side. It matches the direction of passage.

  For the right-side valve device 5 that is mounted on the branch pipe 1 by turning it upside down, the steam trap 4 is also mounted on the trap mounting seat 11 of the connection block 10 while being turned upside down by rotation around the longitudinal axis p. As a result, the steam trap 4 is positioned on the upper side of the connecting portion 4b with respect to the trap mounting seat 11 as shown in FIG. 3 for both the valve device 5 arranged on the left side and the valve device 5 arranged on the right side. It is connected to the connection block 10 in an appropriate mounting posture.

  Further, for the valve device 5 arranged on the left side that is not turned upside down, the dual-purpose mounting port 17a on the upper surface of the connection block 10 is used as a sensor mounting portion, and the dual-purpose mounting port 17a on the inlet side is used as a sensor mounting sheath. The tube 19 is attached in a form to be inserted from above, and the sensor 6 is attached to the sensor attachment sheath tube 19 in a form to be inserted from above as well, while the outlet side of the upper surface of the connection block 10 is also used. The attachment port 17b is closed with a plug or the like.

  For the valve device 5 arranged on the left side that is not inverted upside down, the inlet side and outlet side dual-purpose attachment ports 18a and 18b in the lower surface of the connection block 10 are used as blowdown valve attachment parts. The inlet-side and outlet-side blowdown valves 20a, 20b for opening the inlet-side and outlet-side internal channels 12, 13 to the atmosphere when necessary are attached to the dual-purpose mounting ports 18a, 18b.

  On the other hand, with respect to the valve device 5 arranged on the right side upside down by rotation around the longitudinal axis p, the dual-purpose mounting port 18a on the lower surface portion of the connection block 10 which is a substantial upper surface portion is used as a sensor. As a mounting portion, a sensor mounting sheath tube 19 is inserted into the dual-purpose mounting port 18a on the inlet side from above, and the sensor 6 is also inserted into the sensor mounting sheath tube 19 from above. On the other hand, the dual-purpose mounting port 18b on the outlet side in the lower surface portion of the connection block 10 that is a substantially upper surface portion is closed by a plug or the like.

  Further, for the valve device 5 arranged on the right side upside down by rotation around the longitudinal axis p, both the inlet side and outlet side mounting ports 17a on the upper surface portion of the connection block 10 which is substantially the lower surface portion, 17b is a blow-down valve mounting portion, and the inlet-side and outlet-side internal ports 12, 13 are opened to the inlet-side and outlet-side dual-purpose mounting ports 17a, 17b. Down valves 20a and 20b are attached.

  In short, the valve device 5 arranged on the left side and the valve device 5 arranged on the right side can be combined with each other while adopting the same equipment configuration, so that the valve device 5 with the right arrangement specification and the valve device 5 with the left arrangement specification can be combined. Compared with manufacturing each separately, the apparatus cost can be reduced.

  For all the branch pipes 1 arranged in the vertical direction in the horizontal orientation parallel to each other, the upper valve device 5 provided in the upper branch pipe 1 of the upper and lower adjacent branch pipes 1 is the lower valve device 5 provided in the lower branch pipe 1. Is installed in the branch pipe 1 in a dispositioned position closer to the trunk pipe 2, so that the sensor 6 installed in the upper branch pipe 1 (that is, the sensor 6 attached to the substantial upper surface portion of the upper valve apparatus 5). ) 5 was retracted closer to the trunk pipe 2 in the longitudinal direction of the branch pipe from a position immediately above the lower sensor 6 (that is, the sensor 6 attached to the substantial upper surface of the lower valve apparatus 5) provided in the lower branch pipe 1 Arranged in the upper branch 1 in arrangement.

  That is, the column of sensors 6 attached to the valve device 5 arranged on the left side and the column of sensors 6 attached to the valve device 5 arranged on the right side respectively form a part of each hypotenuse of an isosceles triangle in front view. Yes, mounting the sensors 6 and wiring connection to the sensors 6 can be facilitated by installing the sensors 6 in the upper stage in the arrangement in which the upper sensors 6 are retracted from the position directly above the sensor 6 in the lower stage. Accordingly, the vertical distance between the branch pipes 1 is reduced, and the entire apparatus is downsized in the height direction.

  The conduit 21 extending upward from the sensor 6 attached to the connection block 10 of each valve device 5 is bent backward to avoid interference with the upper branch tube 1, and the rearward ends of these bent conduits 21. The individual monitor 22 connected to the sensor 6 by a signal line inserted through the conduit 21 is attached.

  Each of the individual monitoring devices 22 is provided with a transmission unit that wirelessly transmits the detection information of the corresponding sensor 6 to the central monitoring device (not shown) from the antenna 22a. Based on the detection information of each sensor 6 transmitted from the monitoring device 22, the function of each valve device 5 is analyzed by the analysis unit (in this example, the functional state of the steam trap 4 in each valve device 5 and the inlet side opening / closing valve 14. Analyze both functional status).

  An analysis unit that analyzes the functional state of the valve device 5 based on the detection information of the corresponding sensor 6 is provided in the individual monitor 22, and a transmission unit that wirelessly transmits an analysis result by the analysis unit to the central monitoring device, You may provide the alerting | reporting part etc. which alert | report the analysis result by an analysis part to the circumference | surroundings in the individual monitor 22 in the individual monitor 22. FIG.

  The main pipe 2 is formed by adding a plurality of unit main pipes 2a, and each unit main pipe 2a is formed with a pair of left and right branch pipe connection ports 23 arranged in a vertical direction at predetermined intervals. A gate 24 is formed to open and close the gate individually.

  In this example, no gate valve is attached to these attachment seats 24, and the valve body insertion port formed in the attachment seat 24 is closed by a lid body 24a. For example, as shown in FIG. Can also be used as a distribution header that distributes fluid to a plurality of branch pipes 1 connected to the trunk pipe 2. In such a case, each branch pipe 1 is opened and closed by opening and closing a gate valve 25 attached to the mounting seat 24. Intermittent fluid distribution.

[Another embodiment]
The following another embodiment of the present disclosure will be listed.

  In the above-described embodiment, the example in which the individual monitor 22 that individually processes the detection information of each sensor 6 is provided is shown. Instead, as shown in FIG. 8, the detection information of each sensor 6 is integrated. The common monitoring device 26 to be processed in this manner is arranged at an appropriate location such as the upper end portion of the trunk tube 2, and a transmission unit for wirelessly transmitting the detection information of each sensor 6 to the central monitoring device, or each sensor 6. An analysis unit for analyzing the functional state of each valve device 5 based on the detected information may be provided.

  Each sensor 6 may adopt either a wired connection method to the common monitor 26 or the individual monitor 22 or a wireless connection method using short-range wireless communication or the like.

  The sensor 6 is not limited to being attached to the valve device 5 but may be mounted on the branch pipe 1 in a form of being directly attached to the branch pipe 1 with an appropriate attachment 27 as shown in FIG.

  In the above-described embodiment, the example in which the opening and closing valves 14 and 15 on the inlet side and the outlet side are provided in the connection block 10 in the valve device 5 has been described. Instead, as shown in FIG. Although the on-off valve 15 is omitted, the gate valve 25 may be attached to the gate seat 24 of the main valve 2.

  As shown in FIGS. 11 to 13, the valve device 5 in the branch pipe 1 is provided in order to equip the upper branch pipe 1 with the upper stage sensor 6 in the horizontal direction from the position directly above the lower sensor 6. And the branch form 1 which refracted the attachment part 1a of the sensor 6 diagonally forward side, and the branch pipe 1 which refracted the attachment part 1a obliquely rearward side are arranged in the up-down direction in the state of arranging alternately. May be.

  In addition, as shown in FIG. 14, the steam traps 4 mounted on the branch pipes 1 of each stage are arranged in a line in the vertical direction, whereas the lower branch pipe 1 is extended in the lateral direction. The other end side portion 1b of each branch pipe 1 (the portion opposite to the connection side portion with respect to the trunk pipe 2) is refracted upward with respect to the branch pipe lateral portion 1c, and in this configuration, the sensor 6 provided in each branch pipe 1 is provided. May be arranged close to the upward portion 1b of each branch pipe 1 and arranged in the branch pipe lateral portion 1c.

  In addition, in the example shown in FIG. 14, the inlet-side on-off valve 14 equipped in each branch pipe 1 is arranged in the branch upward portion 1b.

  In addition, as shown in FIG. 15, the lower branch 1 is extended in the lateral direction, and the other end portion 1b of each branch 1 (the portion on the side opposite to the connection side with respect to the main tube 2). ) Is refracted upward with respect to the branch pipe lateral portion 1c, the valve device 5 and the sensor 6 may be disposed on the upward portion 1c of each branch pipe 1.

  Further, in order to equip the upper branch pipe 1 with the upper sensor 6 in an arrangement in which the upper sensor 6 is retracted in the horizontal direction from the position directly above the lower sensor 6, as shown in FIG. The position where the upper branch pipe 1 itself is rotated around the trunk pipe 2 from the position directly above the lower branch pipe 1 as shown in FIG. You may arrange | position to.

  The valve device 5 provided in each branch pipe 1 is not limited to the connecting unit between the connection block 10 and the steam trap 4, and may be a steam trap or an open / close valve having branch pipe connection ports on the inlet side and the outlet side. Good.

  In this case as well, the steam trap and the on-off valve can be interposed in the branch pipe 1 by being turned upside down by rotation about the front and rear axis. It is desirable to provide dual-purpose mounting ports 17a and 18a on the lower surface.

  In addition, the pipe assembly device according to the present disclosure is not limited to the case where the trunk pipe 2 is used as a collection header for the plurality of branch pipes 1, but can be applied to the case where the trunk pipe 2 is used as a distribution header for the plurality of branch pipes 1. it can.

  The pipe assembly device according to the present disclosure can be used for various applications in various fields in which a plurality of branch pipes are aggregated and connected to a trunk pipe.

DESCRIPTION OF SYMBOLS 1 Branch pipe 2 Stem pipe 5 Valve apparatus 6 Sensor 22 Individual monitor 26 Common monitor 10a Inlet side branch pipe connection port 10b Outlet side branch pipe connection port 10 Connection block 12 Inlet side internal flow path 13 Outlet side internal flow path 14 On-off valve 15 on the inlet side On-off valve 17a on the outlet side Upper surface side sensor mounting portion 18a Lower surface side sensor mounting portion 20a Blow-down valve 23 Branch connection port
24 Mounting seat 25 Gate valve

Claims (12)

A valve device in which a pipe connection port on an inlet side and an outlet side opening in directions opposite to each other is formed,
The direction in which the pipe connection port on the inlet side and the outlet side faces is the left-right direction, the direction perpendicular to the left-right direction and facing the upper side and the lower side of the pipe when attached to the pipe is the up-down direction, and the left-right direction When the direction perpendicular to the vertical direction is the front-rear direction, the position of the inlet-side pipe connection port and the position of the outlet-side pipe connection port are reversed by rotating up and down by rotating around the longitudinal axis. It is configured to be able to equip the pipe with a left-right interchanged posture,
As a sensor mounting portion for inserting and mounting the sensor for monitoring the valve device, an upper surface side sensor mounting portion is formed on the upper surface portion located on the upper side in the vertical direction of the valve device, and the lower side of the valve device in the vertical direction Forming a lower surface side sensor mounting portion on the lower surface portion located on the side,
For the valve device equipped in the pipe without performing the upside down, the sensor can be attached to the upper surface side sensor mounting portion,
As for the valve device that has been turned upside down and installed in the pipe, the valve device can be attached to the lower surface side sensor mounting portion . Connected to the inlet and outlet pipe connection ports through the inlet side and outlet side internal channels formed in the connection block in the inlet block and outlet side pipe connection ports that open in opposite directions. It is formed by connecting steam traps that communicate with each other.
The valve device of claim 1, wherein the upper surface side sensor mounting portion and the lower surface side sensor mounting portion is provided on the connection block. The valve device according to claim 2 , wherein an opening / closing valve for opening and closing the internal flow path on the inlet side or the outlet side in the connection block is provided in the connection block. For the valve device installed in the pipe without performing upside down, a blowdown valve that opens the inside of the valve device to the atmosphere can be attached to the lower surface side sensor mounting portion,
The vertically inverted about the valve apparatus equipped on the pipe performs, the valve device according to the blowdown valve in any one of the upper surface sensor according to claim mounting portion is capable Attach 1-3 . A plurality of laterally oriented branch pipes are connected to a vertically oriented trunk pipe in a vertically arranged state dispersed in the vertical direction, and each of the branch pipes as the pipe is connected to the branch pipe according to any one of claims 1 to 4. A piping assembly equipped with a valve device and a sensor for monitoring the valve device. The upper sensor installed in the upper branch of the upper and lower adjacent branch pipes is installed in the upper branch pipe in a horizontally retracted position from the position directly above the lower sensor installed in the lower branch pipe. The piping assembly device according to claim 5 . The plurality of branch pipes are connected to the trunk pipe in a parallel arrangement state arranged in the vertical direction in a posture parallel to each other,
The pipe assembly device according to claim 5 or 6 , wherein the upper sensor is mounted on the upper branch pipe in an arrangement that is retracted in a longitudinal direction of the branch pipe from a position directly above the lower sensor. The piping assembly device according to any one of claims 5 to 7 , wherein an individual monitor that individually processes detection information of each of the sensors is connected to each of the sensors. The pipe assembly device according to any one of claims 5 to 7 , wherein a common monitor that performs integrated processing of detection information of each of the sensors is provided. The individual monitor is provided with a transmission unit that wirelessly transmits detection information of the sensor to a central monitoring device, or an analysis unit that analyzes the functional state of the valve device based on the detection information of the sensor. The piping assembly device according to claim 8 .   The common monitor is provided with a transmission unit that wirelessly transmits detection information of the sensor to a central monitoring device, or an analysis unit that analyzes the functional state of the valve device based on the detection information of the sensor. The piping assembly device according to claim 9. The stem tube is adapted to form a plurality of branch pipes connecting port for connecting a plurality of the branch pipes to each other, according to claim 5-11 which is formed a mounting seat of the gate valve for opening and closing these branch pipe connecting opening in each separate The piping assembly device according to any one of the preceding claims.

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