Abstract: A needleless connector includes a housing having a central longitudinal axis, a body portion, and a base portion. The body portion includes an inner surface forming an internal cavity, and a first port forming a first fluid passage to the housing cavity. The base portion includes a top end section and a bottom end section. The top end section has a protrusion, and the bottom end portion has a second port forming a second fluid passage to the housing cavity. The needleless connector further includes a valve having a wall with an inner surface forming a valve cavity. The valve is coupled with the housing such that the protrusion is positioned in the valve cavity, and a proximal end of the protrusion is spaced apart from a proximal end of the valve cavity.

Abstract: An adapter probe configured for injecting fluid (e.g., liquid, gas) into at least one electrical cable. Particularly for injecting an electrical cable with a fluid when the electrical cable is affixed to a separable connector (e.g., elbow separable connector). Separable connector may be configured to connect sources of energy (e.g., transformer, circuit breaker) with distribution systems via electrical cable (or cable section).

Abstract: A plug-in coupling has a coupling plug and a coupling socket. The coupling plug has an inner and an outer pipe piece and a first attachment flange and is connected to the first cryogenic line. The coupling socket has an inner and an outer pipe piece and a second attachment flange and is connected to the second cryogenic line. A circular annular seal on the distal end of the coupling plug is of electrically insulating form. An insulating sleeve is arranged on the outer pipe piece of the coupling plug. An insulating disc is situated between the first and the second attachment flange when the coupling plug has been inserted into the coupling socket. The plug-in coupling realizes a galvanic is separation between the coupling plug and the coupling socket.

Abstract: An electrical connector includes: a connector unit having a mating part, the mating part defining a front mating end; a sleeve enclosing the mating part and extending forwardly beyond the front mating end to define a receiving chamber; and an outer cover enclosing the sleeve and the connector unit, wherein the sleeve has a front portion containing the receiving chamber, and the outer cover is made of a material softer than the sleeve.

Abstract: A disposable fluid flow assembly for operation in connection with a fluid pump configured to provide a flow of fluid to the disposable fluid flow assembly is provided. The disposable fluid flow assembly includes an elongated flexible tube, a needle hub connected with the flexible tube, a pressure sensor for sensing fluid pressure, and an identification circuit embedded connected with the pressure sensor. The identification is configured to provide a plurality of signals to the central controller of the fluid pump when the disposable needle assembly is connected with the fluid pump. The plurality of signals may include various signals, such as a signal to identify physical characteristics of the assembly, a signal to ensure that the assembly is authentic, a signal to ensure that the disposable assembly is not re-used, and/or a signal to ensure that the pressure signal is connected and operating properly.

Abstract: An intake manifold includes a surge tank and left and right intake pipes. On a part of an outer periphery portion of the surge tank that faces a front direction or a rear direction of a vehicle, a pressure measurement portion to measure pressure in the surge tank is provided. A pressure sensor is attached to the pressure measurement portion. A sensing space containing one end side that is opened in the surge tank and the other end side in which a pressure sensing portion of the pressure sensor is disposed is formed on the pressure measurement portion. A bottom surface constituting the sensing space of the pressure measurement portion is inclined downwardly toward an opening portion to the surge tank.

Abstract: A production sting has a premium thread preferably VAM or similar for threading into a packer extension without the need for a seal stack to engage a seal bore in the extension. The seal bore use becomes optional and a metal to metal seal is provided by the premium thread whether the string is in compression or tension. Another adjacent left hand square thread is provided in the packer extension to land accessory tools or for removal of the packer after the packer is released in a variety of known ways. Either the premium thread or the left hand thread can be in the uphole position on the packer extension.

Abstract: A slurry blasting system includes a blasting pot for containing a slurry, and which is directly connected to a pressurized air piping system with a sweep elbow, an eccentric reducer, a ball valve, and a hose shutoff valve. Water is supplied to the blasting pot from a reservoir by a pump. Control valves control the pressure in the air piping system and the pressure in the blasting pot.

Abstract: The present invention is a discharge socket connecting a toilet main body and a discharge pipe. The discharge socket has a vertical conduit portion; and a bent conduit portion including an inflow port connected to the vertical conduit portion; an outflow port, connected to an inlet port of the discharge pipe; and a flow path, the flow path having a bent portion. A projecting portion is disposed on the bent portion, the projecting portion forming a projecting space which projects outward from the flow path. The projecting portion is formed so that the flow direction of discharge water flowing from the bent conduit portion into the inlet portion of the discharge pipe is changed to the center direction of the discharge pipe by the discharge water returning to the projecting space after flowing from the flow path into the projecting space.

Abstract: A pipe installation including conductive first and second pipes installed in a fuel tank; and a fitting which connects the first and second pipes and enables fluid to flow through the pipes via a conduit in the fitting. The fitting is attached to the first or second pipe by a flexible joint which permits relative movement between the fitting and the first or second pipe. The fitting is attached to a structure of the fuel tank. The fitting provides a path of least electrical resistance between the first or second pipe and the structure, and the path of least electrical resistance has a resistance between 50? and 100M?.

Abstract: A device for transferring fluid between two separate structures includes a rigid pipe with a double shell extending along a longitudinal axis. The pipe includes an outer-shell housing (in the inner vacuum space thereof), at least one inner duct for fluid transfer, and at first and second ends thereof, includes respective first and second rigid connections of the outer shell to the first structure and second structures, respectively. The first and second ends of the outer shell are rigidly connected to the at least one inner duct. The pipe comprises a system to compensate for movements in the longitudinal direction.

Abstract: An external auxiliary heat dissipation device includes an external connection head module, a fluid driving module, a heat dissipation module, and a plurality of first pipes. The external connection head module includes a first carrier body and at least two first fluid connection disposed on the first carrier body. The first pipes connect to the first fluid connection head, the fluid driving module, and the heat dissipation module to form a first fluid pathway. The electronic system includes an internal connection head module and a plurality of second pipes. The second pipes connect to the internal connection head module to form a second fluid pathway. The internal connection head module is detachably connected to the external connection head module, so that the first and the second fluid pathways are in fluid communication with each other to form a loop fluid pathway.

Abstract: A multifunction integrated connection head assembly structure includes a first connection head module and a second connection head module. The first connection head module includes a first carrier body, at least two first fluid connectors, a first power connector, and a first retaining body. The second connection head module includes a second carrier body detachably connected with the first carrier body, at least two second fluid connectors respectively detachably connected with the at least two first fluid connectors, a second power connector detachably electrically connected with the first power connector, and a second retaining body detachably mated with the first retaining body. An electrical device using a multifunction integrated connection head assembly structure is further disclosed.

Abstract: An apparatus for mounting a free-standing display element is disclosed herein. The apparatus is u-shaped, and provides a joint that allows movement in a rotational manner to and from the viewer of the display. The mounting may occur in a motor vehicle. In response to force being applied to the display, the apparatus is configured to either maintain (or lock into a position), or allow movement along the rotational axis.

Abstract: A multifunction integrated connection head assembly structure includes a first connection head module and a second connection head module. The first connection head module includes a first carrier body, at least two first fluid connectors, a first power connector, and a first retaining body. The second connection head module includes a second carrier body detachably connected with the first carrier body, at least two second fluid connectors respectively detachably connected with the at least two first fluid connectors, a second power connector detachably electrically connected with the first power connector, and a second retaining body detachably mated with the first retaining body. An electrical device using a multifunction integrated connection head assembly structure is further disclosed.

Abstract: Present embodiments are directed to a tubular stress measurement system including a first sensor configured to detect a parameter indicative of an axial or circumferential position of the plurality of grapples and a calculation system configured to calculate an internal stress on the tubular based on the parameter.

Abstract: The present invention relates to a combined end cap and an electromechanical device equipped with the combined end cap. The combined end cap includes: an end cap body, which includes a fitting portion provided with a first mating portion; and an end cap flange, which is configured to have at least two segments adapted to be combined and mounted to the fitting portion, and at least one of the segments is provided with a second mating portion adapted to corporate with the first mating portion to prevent the segments having been combined and mounted to the fitting portion from rotating relative to the fitting portion. The application of this invention can not only significantly improve the versatility and convenience of the existing end caps, but also help to reduce the manufacturing cost.

Abstract: Flood water removal systems including a motor, a vacuum generating device, a discharge pump, and a vacuum tank can be efficiently arranged to be transversely mounted to a vehicle. Certain flood water removal systems can include a supercharger driven by the engine to generate vacuum. The systems can include a valve to prevent collapse of a vacuum tank and maintain a predetermined vacuum pressure without varying the speed of the motor. The systems can also include a two-stage exhaust that blends exhaust from the blower with motor exhaust in a silencer to reduce noise generation for operation in residential or other noise-sensitive settings. The systems can also include a vacuum tank comprising a noise reduction baffle to further reduce noise generation.

Abstract: An apparatus comprises a first number of splines located near a first end of a first joint section and a second number of splines located near a second end of a second joint section. The first number of splines extends in an axial direction of the first joint section and spans a circumferential surface of the first joint section. Each of the first number of splines has a base, a tip, and a pair of flanks that extends from the base to the tip and forms an acute angle. Each of the first number of splines are configured to be received between adjacent pairs of splines in the second number of splines as the first end of the first joint section and the second end of the second joint section are joined.

Abstract: An injector boss (114) for mounting an injector (110) that injects liquid reductant (U) into a flow of exhaust gas (EG) in an exhaust pipe (116) includes at least one sidewall (124) and a boss foundation (126). The boss foundation (126) is generally perpendicular to the at least one sidewall (124), and the at least one sidewall and the boss (114) define an internal area (120). A spray guard (132) extends from the boss foundation (126) into the internal area (120). The spray guard (132) h a first opening (138) for receiving liquid reductant (U) from the injector (110), and a second opening (140) for emitting liquid reductant into the internal area (120).

Abstract: The invention concerns a tubular element for drilling and/or working hydrocarbon wells, having an end (1; 2) comprising at least one threaded zone (3; 4), characterized in that the end (1; 2) is at least partially coated with a dry film (12) comprising a matrix (13) comprising a mixture of at least one alkaline polysilicate and at least one semi-crystalline thermoplastic organic polymer. The invention also concerns a method for producing a dry film (12) comprising a matrix (13) comprising a mixture of at least one alkaline polysilicate and at least one semi-crystalline thermoplastic organic polymer on such a tubular element for drilling and/or working hydrocarbon wells.

Abstract: A riser clamp (20) comprising a first jaw portion (211) and a second jaw portion (212) that can be opened and closed relative to each other. The jaw portions (211/212) each comprise a thermoplastic body (301/302) that can be, for example, injection molded pieces of polyethylene (e.g., HDPE). The jaw portions (211/212) can be connected by a hinge (39) that is integrally formed therewith. The clamp (20) can also include cradles (701/702) and caps (711/712) for holding auxiliary lines.

Abstract: A welding system using a purge plug for data acquisition. In one example, a purge plug includes purge plug component having a sealing structure. The sealing structure is configured to abut a surface of a hollow device and to form a seal between the sealing structure and the hollow device. The purge plug also includes a sensor at least partly disposed in the purge plug component, the sealing structure, or some combination thereof.

Abstract: A tamper resistant pipe coupling is formed of segments connected end to end using fasteners. The segments have bearing pads at each end, each bearing pad surrounded by a shield wall. The shield walls and the bearing pads form a well that receives the fasteners and provides defense against tampering. The well is filled with a potting material, such as refractory cement, to cover the fasteners and provide additional protection. Formations are provided on the bearing pad and shield wall to ensure positive mechanical engagement between the coupling and the potting layer. The shield wall and bearing pad may be integrally formed with the coupling segments or a separate component.

Abstract: A fitting for the mounting of an exhaust probe on an exhaust pipe with a base body having a central axis and secured to the exhaust pipe, with a bearing part having a longitudinal axis to accommodate the exhaust probe, wherein the bearing part and the base body are at least two-part and the bearing part can be secured in the base body in various positions, P1, P2.

Abstract: In an electrostatic coating apparatus, an electrically conductive coating material is supplied through a coating material supplying path to a coating gun to which a high voltage is applied. The electrostatic coating apparatus is provided with an insulating and separating valve capable of electrically insulating and separating the coating material supplying path into an application side in which the high voltage is applied and a non-application side. The insulating and separating valve is provided with a female coupling member having a first connecting portion and a male coupling member having a second connecting portion. A supplying hole for supplying a cleaning fluid to the first connecting portion and the second connecting portion and a discharging hole for discharging the cleaning fluid supplied to the first connecting portion and the second connecting portion are provided on one of the female coupling member disposed on the non-application side and the male coupling member.

Abstract: A coating which provides corrosion resistance, wear resistance, and, optionally, lubrication, for deposition on a threaded article is disclosed. The coating comprises a polymer matrix, such as a polyimide, which is modified with small amounts of a fluorine containing polymer modifier, as well as other compounds or additives to improve performance of the coating. Additionally, the coating can further comprise a solid lubricant or an anticorrosion compound dispersed within the polymer matrix.

Abstract: The air tool hook is comprised of a pair of connection fittings for compressed fluids with a first connection on one end of the fitting for connecting a compressed air line and a second connection on the other end of the fitting for attaching a pneumatic tool to the compressed air line, a manifold, wherein one end of the manifold is attached to a side of the fitting and a hole is bored through the other end of the manifold, a hook with one end shaped for hanging the hook and the other end, a straight shaft, sized and shaped to be placed through the hole of the manifold, grooves cut into the shaft, retaining clips attaching the shaft to the manifold, whereby the clips are placed into the grooves of the shaft on either side of the hole, the first and second connections are rotatable, and the hook and shaft are rotatable with respect to the manifold, whereby the air line, the pneumatic tool and the hook are able to rotate independently.

Abstract: A receptacle has a backward-movable floating mechanism and includes a receptacle-side slider, a first lock mechanism (first ball) functioning to couple and fix the receptacle to a plug, and a second lock mechanism (second ball, indentation) that prevents the backward movement. The plug includes a plug-side slider and an indentation. When the plug is inserted into the receptacle, the plug-side slider is prevented from moving forward by the first ball and only the housing of the plug moves forward. When connection between male and female members is complete, the first ball fits into the indentation and the plug-side slider moves forward to lock the first ball. The receptacle-side slider is pushed backward by the plug-side slider, the second lock mechanism is unlocked and the housing of the receptacle is moved backward by the floating mechanism.

Abstract: A pipe stub is provided that includes an elongated cylindrical portion that is selectively sealed on one end. For example, the cylindrical portion may be selectively sealed with a removable diaphragm. In operation, after the pipe stub is interconnected to a plumbing system and a leak test is completed, the plumber severs show otherwise circumvents the diaphragm to open the pipe stub, which can be used to receive additional plumbing components.

Abstract: A junction device for ducts and pipelines is described, made up of an internally hollow main body manufactured with a plastic material obtained through molding. The main body being provided with connection means configured for connecting and for sealingly fixing the junction device to one or more pipelines and/or to one or more apparatuses to which such pipelines must be connected. The junction device comprises at least one plate in plastic material, molded in a single piece with the main body. On at least one of the two opposite surfaces of such a plate being imprinted information relative to the junction device, like for example one or more identifier codes or barcodes, a description of the junction device itself, brands and/or logos of any kind.

Abstract: A fluid system includes a loading arm connected to a swivel joint. A counterbalance mechanism is connected between the loading arm and the swivel joint. An adjustment mechanism adjusts the counterbalance force applied by the counterbalance mechanism to the loading arm. The adjustment mechanism includes a guide plate connected to the swivel joint and includes a guide slot and a straight bore guide. A bracket is movably connected to the guide plate and has one or more apertures and a threaded bore guide. Fasteners extend through the guide slot and the one or more apertures to selectively secure the bracket to the guide plate. A lead screw is disposed at least partially within the straight bore guide and the threaded bore guide. Rotation of the lead screw causes the bracket to move along a length of the lead screw and thereby adjust the counterbalance force.

Abstract: A tubular medical fluid flow set comprises a pressure sensing chamber connected in flow-through relation to fluid flow tubing of the set. The pressure sensing chamber defines a movable, flexible, impermeable diaphragm dividing the chamber into two separate compartments. The fluid flow tubing communicates with one of the compartments and is isolated from the other of the compartments. A port is carried on the chamber, the port having a seal therein, and communicating with the other of the compartments. Thus, the other of the compartments is hermetically sealed until the port is opened for connection with a pressure measuring device, to keep the flexible diaphragm in a desired, initial position prior to opening of the seal.

Abstract: A tubular joint comprising: is provided. The tubular joint comprises first and second tubular members, a metallic seal ring between the tubular members and having sealing surfaces designed to mate with corresponding sealing surfaces of the tubular members to form a primary seal, an additional seal provided between the tubular members radially outwardly of the primary seal, a fluid channel having an outlet opening in an end surface of the first tubular member radially outwardly of said primary seal and radially inwardly of said additional seal, and annular seal members interposed between the seal ring and the tubular members radially outwardly of the primary seal and radially inwardly of said outlet opening and designed to allow fluid flow past the seal members in a radial direction inwards and to prevent fluid flow past the seal members in a radial direction outwards.

Abstract: The present invention relates to a preassembled media line with a line connector, composed of a connector body with a connecting portion to which a media line is connected, and with a coupling portion for sealed connection to a mating coupling part. In this arrangement, the media line is provided with a heating wire and said heating wire is continued from the connector body and the media line, when connected, in such a manner that it is arranged at least partially on the coupling portion. The connector body and the media line are surrounded at the end by a housing formed, in particular, from housing shells, the sealing function and a retaining function being divided between the housing and the connector body.

Abstract: A pipe coupling (10) which comprises a coupling body (12) having an inlet end (22) for connection to a water outlet; an outlet end (24) for connection to a water inlet, and a liquid flow passage (26) which connects the inlet and outlet ends (22, 24) and which defines a water flow path (28) through the coupling body (12); a sealable filter and flow detector access opening (14) which is provided on the coupling body (12); and a filter element (16) and a flow detector device (20) which are removably receivable in the coupling body via the access opening and positionable on the flow path to extend across at least a part of the lateral extent of the liquid flow passage.

Abstract: A fuel line assembly for an aircraft comprises a ferrule assembly comprising a ferrule affixed to an isolation tube, which may be directly affixed to a fuel tube or affixed to an extension tube, which in turn, is affixed to the fuel tube. The ferrule assembly provides electrostatic discharge protection and lightning protection as the isolation tube maintains a separation distance from the ferrule and fuel tube, both of which are made from metal. The isolation tube is made from a dielectric material, but which may have conductive particles added to aid in the dissipation of an electrostatic charge. The electrical resistance through the isolation tube has a lower limit to arrest the flow of the induced lightning current through the assembly. The amount of lightning protection afforded can be configured. The ferrule assembly components may be affixed by using thermo-welding, adhesive, or mechanical pressure.

Abstract: A coupling system for a hybrid energy plant including a heat-pump unit and a combined heat and power generation unit, having at least one coupling device for coupling the heat-pump unit and the combined heat and power generation unit. A device and a method provide a coupling for a heat-pump unit and a combined heat and power generation unit, in doing which, the highest possible overall efficiency and the lowest possible consumption of resources relative to already known uncoupled plants is ensured. At least one coupling device has an electrical coupling unit and/or a hydraulic coupling unit which are designed to be switchable for a coupling of the heat-pump unit and the combined heat and power generation unit. An energy-transformation system for generating heat and/or cold and a method for energy transformation having a coupling system are also provided.

Abstract: A quick connector assembly (20) includes a coupling housing (22) having a fluid quick connector (34) disposed about an end (24) and a sensor quick connector (40) axially aligned with an auxiliary axis (A2). A sensor housing (42) is insertable along the auxiliary axis (A2) to couple a sensor with the coupling housing (22). The sensor quick connector (40) includes at least one leg (48) and the sensor housing (42) includes a locking barb (44) extending radially outwardly to flex the leg (48) during axial movement of the sensor housing (42). The leg (48) includes a mechanical stop (54) and the locking barb (44) includes a shoulder (70) for engaging the mechanical stop (54) to establish an interlocked position of the housings (22, 42) and prevent rotational movement of the sensor housing (42) about the auxiliary axis (A2).

Abstract: A structure for fastening an outlet module in a water purifier in order to supply hot and/or cold water to the outside. In the water purifier, a supply module has a flow rate sensor and a filter and is configured to supply hot and/or cold water through a supply pipe disposed in a side portion thereof. An outlet module is connected to the supply pipe via a connector pipe and configured to open and close an outlet port of hot and/or cold water via a lever member disposed in a body thereof. The structure includes a fitting member having a plurality of recesses and a plurality of protrusions formed sequentially on an outer circumference thereof, a coupling-hole formed in a periphery of the connector pipe, and a fastening member fitted into the coupling-hole to connect the connector pipe and the supply pipe to each other.

Abstract: A double-sealed cross-port fitting for use in a series progressive divider valve comprises an adapter body, a passage and a ring segment. The adapter body extends axially from a first end to a second end and includes an adapter segment and a coupling segment. The adapter segment is positioned at the first end and is configured to be coupled to another component. The coupling segment is positioned at the second end, extends from the adapter segment, and is configured to be inserted into a valve body. The passage extends through the adapter body from the first end to the second end. The ring segment extends radially from the coupling segment and is configured to engage the valve body. The ring segment forms a first seal face between the ring segment and the adapter segment and a second seal face between the ring segment and the second end.

Abstract: Various identification tags are disclosed. In one embodiment, a system includes a coupling with an extended skirt having an opening to receive an identification tag. The identification tag may be configured to be snapped into the opening, slid into the opening, or threaded into the opening, for example. The identification tag, such as an RFID tag, may include an electronics module to enable wireless communication with a reader. The electronics module may be received within a body to facilitate installation and retention of the tag and increase durability. The disclosed tags may also be installed in other components. Various other tags, systems, devices, and methods pertaining to identification tags are also disclosed.

Abstract: A combined structure for air-conditioning ventilation comprises a tee connector (1), an easy connector (40), and a caliber adapter (30). The tee connector (1) comprises a tubular adjustable part (10) at its cylindrical tube (3) for outflow ventilation. The caliber adapter (30) may be installed at the inflow cylindrical tube (14) of the tee connector (1). By clamping the snap-fit points of the easy connector (40) into the snap-fit points (7) that is located on a first cylindrical tube (3) of the tee connector (1), the easy connector (40) may be installed at the first cylindrical tube (3). The resulting combined structure can be easily installed and used, and can have its parts easily switched.

Abstract: Disclosed is a combination coupling device having a cylindrical coupling element and a removable bearing hub spider that fits within the coupling element. The coupling element has a coupling ledge on which the bearing hub spider can be positioned and engaged via engagement means. The inner wall of the coupling element may be threaded to engage the ends of complementary threads on pipes inserted therein. The bearing hub spider is interchangeable so as to allow replacement of one bearing hub spider that is specific to a certain application with a second bearing hub spider specific to a different application, without the need to replace the coupling element which can remain in place on the pipe.

Abstract: Coating systems which provide corrosion resistance and, optionally, lubrication, for threaded connections are disclosed. The compositions comprise a first coating composition comprising polymer matrices of polyimides or epoxies which are modified with small amounts of a fluorine containing polymer. Also present in the coating compositions are corrosion inhibiting agents and inorganic particles having a mean diameter of between approximately 10 nm and 10 ?m. Solid lubricants, which may include at least one of PTFE, HDPE, Graphite, and MoS2, are optionally added to provide the first coating with a low coefficient of friction. The coating systems may further comprise a second coating composition, comprising a solid lubricant dispersed within an epoxy resin and a solvent. The first and second coating compositions are deposited on at least a portion of at least one of the pin and box members of the threaded connections.

Abstract: A hydraulic coupling member is equipped with dual, electrically conductive contacts one of which is configured to contact a junction plate or junction plate holding the coupling member while the other is configured to contact an opposing coupling member when the coupling is fully made up thereby electrically bonding the coupling system.

Abstract: The invention provides a method for anchoring a cable bolt in a ground formation using a multi-part resin system and an injection adaptor for use in the anchoring method.

Abstract: A manifold housing which includes an inlet end for receiving fluid in communication with a main channel defined within the housing. The housing includes a series of outlets in fluid communication with the main channel. The outlets are for connecting outlet pipes thereto, wherein the inlet end having inlet threads for receiving standard pipe threaded fittings therein. Preferably the outlets of the manifold housing includes upwardly projecting lugs attached at one end to a bottom of the outlet, wherein the lugs for abutting with a lug end of a crimp ring used to secure an outlet pipe to the outlet.

Abstract: An all-inclusive manway and sump connector designed to allow for the attachment of both manway covers and sumps to the manway of an underground storage tank without the need for an adapter or the retrofitting of the manway which was required with the devices and modalities of the prior art.

Abstract: A connection mechanism for fluid pipings, for connecting a plurality of the fluid pipings to flow a fluid, includes: a first component provided to one side of the plurality of the fluid pipings and including a movable portion constituting a part of a pressure control valve and operated by a differential pressure; a second component provided to another side of the plurality of the fluid pipings and including an opening and closing mechanism which is opened and closed by an operation of the movable portion constituting the part of the pressure control valve; and a transmission mechanism provided to at least one of the first component and the second component.