Abstract: A vacuum system pipe coupling includes a first coupling member defining a through passage, a second coupling member defining a through passage and a securing unit. The first coupling member has a first end portion having a first lengthways extending axis, a second end portion having a second lengthways extending axis that is laterally offset with respect to the first lengthways extending axis and a first connecting portion connecting the first and second end portions. The second coupling member has a third end portion having a third lengthways extending axis, a fourth end portion having a fourth lengthways extending axis that is laterally offset with respect to the third lengthways extending axis and a second connecting portion connecting the third and fourth end portions. The securing unit is configured to secure the first end portion to the third end portion with the first and third lengthways extending axes in alignment.

Abstract: The present invention is directed to a hose holder that nests individual hose loops separately in grooves formed on (or forming) a sloped surface. The holder includes a series of arched grooves, each groove provided at a different position along the slope of the surface such that adjacent grooves are at different vertical heights when the holder is mounted for use. Grooves further from the mounting point are lower than those nearer. In general, each groove is wide enough to hold and guide a single loop of hose and is configured for easy deployment of the hose when the hose is pulled away from the hose holder.

Abstract: A hose reel for coiling a hose includes a frame and a reel assembly rotatably connected to the frame about an axis of rotation. The reel assembly includes a drum assembly having a drum surface configured to receive and support the hose as the drum assembly is rotated about the axis of rotation to coil the hose around the drum surface. The drum assembly includes a hose fitting defining a fluid outlet. The hose fitting is configured to be connected to one end of the hose to fluidly connect the hose to the fluid outlet. The drum assembly defines a recess in the drum surface in which the fluid outlet of the hose fitting is disposed such that at least a portion of the fluid outlet is disposed between the axis of rotation and the drum surface.

Abstract: The disclosure relates to a sealing diaphragm and a check valve comprising a sealing diaphragm for fluid technology applications. A sealing diaphragm for fluid technology applications is to be provided, which is economical and constructionally simple to produce, which can be used as a closing means for a check valve and with which unwanted interfering noise can be prevented during operation. The object of the disclosure is achieved by a sealing diaphragm with a flat, flexible sealing section, which can be bent or curved with a fluid pressure, wherein at least one resilient frictional tooth is provided on or next to the surface of the sealing section at a distance from an edge of the sealing section, designed and arranged in such a way that it forms an angle between 30° and 150° with the sealing section and it tilts together with the bending or curving movement of the flat sealing section, wherein the frictional tooth has a contact surface on a side orientated in the tilting direction.

Abstract: An integrated access box for providing surface access to a curb box or other structure, and tracer wires in a single unit. The integrated access box generally includes a body having a first end and a second end and a first chamber (e.g., a curb box chamber or cleanout chamber) extending into the first end toward the second end of the body. The body may be substantially cylindrical in shape, and may include a first opening near the first end of the body and a first chamber access opening in the first chamber near the top of the body, and a tracer wire chamber extending into the body. The tracer wire chamber includes a second opening near the first end of the body. The integrated access box may further include a tracer wire access opening in the tracer wire chamber near the top of the body.

Abstract: Disclosed is a flanged manifold frack delivery system, or manifold assembly, for distributing fluids to a well wherein the assembly comprises at least one high pressure output studded or flanged connection in the absence of rubber seals. The high-pressure connection consists of cross-blocks and spools connected in series to each other. Described is a combination of high and low-pressure conduit configurations disposed along the length of the chassis; the high-pressure conduit assembly is made up using studded or flanged iron connections terminating at the opposite end to the low-pressure inlet with a studded or flanged iron connection so that a spool can be attached at the height of the well head to route the fluid to the well head. The assembly may be pre-fabricated to the user's needs and assembled on site, or may be mobile and delivered to the desired site for use.

Abstract: A valve for inflating and deflating an inflatable element includes a valve housing fluid connected to the inflatable element, an at least one hole extending through the valve housing and accommodated to let a fluid flow in and out the valve housing for inflating and deflating the inflatable element, and a flap disposed next to the at least one hole inside the valve housing, such that the flap covers the at least one hole and behaves as a flap when inflating the inflatable element. The flap is inflatable and is fluid connected with a nozzle disposed outside the valve housing. The inflatable flap, when inflated, uncovers the at least one hole releasing a fluid flow through the at least one hole for deflating the inflatable element.

Abstract: A restraint system for use in securing temporary flow lines that include multiple pipe sections, each pair of pipe sections connected together with a fitting or coupling such as a hammer joint coupling. The system includes multiple pluralities of endless loop slings connected end to end with a cow hitch or girth hitch knot. Disconnectable fittings (e.g., shackles) are placed every three or more slings so that easy disassembly is afforded in case of leakage or other failure. In one embodiment, a waterproof sleeve is an outer layer that surrounds or encapsulates an inner layer so that the inner layer remains dry and thus will not freeze.

Abstract: A valve assembly includes a valve body that defines an internal flow passageway between an inlet and an outlet, and a valve seat disposed in the valve body with a sealing surface perpendicular to the flow passageway. The valve assembly further includes a clapper pivotally correlated to the valve seat having a closed configuration extending across the valve seat configured to substantially close off the flow passageway, and an open configuration configured to substantially allow fluid flow in the flow passageway from the inlet to the outlet through the valve body. An annular valve seat seal is disposed within an annular groove formed in a surface of the valve seat, where the annular valve seat seal is disposed at an interface between the valve seat and the clapper when the clapper is in the closed configuration.

Abstract: A pressure vessel mounting structure includes: a manifold including a discharge gas passage branching from a general passage via which a container body communicates with a valve; a fusible plug valve configured to close the discharge gas passage and to, when the fusible plug valve is melted, open the discharge gas passage such that the high-pressure gas is discharged; a case including a bottom face portion covering the container body and the manifold from below in the vehicle up-down direction, the case including a bead placed near the fusible plug valve, the bead being formed by protruding a part of the bottom face portion upward in the vehicle up-down direction; and a communicating opening via which a space under a floor of a vehicle communicates with the fusible plug valve, the communicating opening being formed in a part of the bead, the part facing the fusible plug valve.

Abstract: A valve device includes a valve body; a cylindrical member provided in an accommodation recess and communicating with the first flow path; a valve seat supported by the cylindrical member; a seal member interposed between the periphery of the opening of first flow path on the bottom surface of the accommodation recess and the lower end portion of the cylindrical member; an annular plate which is flexible, air-tightly or liquid-tightly fixed to an annular support portion formed on the inner peripheral surface of the accommodation recess, air-tightly or liquid-tightly fixed to an annular support portion formed on the outer peripheral surface of the cylindrical member and has a plurality of openings communicating with the second flow path; and a diaphragm that moves between an open position at which the diaphragm does not contact the valve seat and a closed position at which the diaphragm contacts the valve seat.

Abstract: A safety valve stem cap includes a valve tool that can be used for removing the valve stem and quickly deflating the tube for travel or storage. The valve stem cap has a frustoconical-shaped body with a circular bottom edge and a flat upper surface. The valve tool extends within a recess defined within the cap body. The valve tool includes a planar floor and two upright prongs extending from the floor. In an embodiment, the floor of the valve tool is integrally connected with the cap body. In an embodiment, the valve tool includes a hollow body mounted within the recess. The planar floor and upright prongs extend within the hollow body.

Abstract: An oil-spray tube assembly includes a tube having an outer circumferential surface, an inner circumferential surface defining a hollow center, a closed distal end, an open proximal end defining an axially recessed annular seat, and an orifice extending between the inner and outer surfaces. A poppet valve has a radially extending flange and is received in the hollow center with the flange disposed on the annular seat. The valve defines an inlet, a cylindrical valve chamber in fluid communication with the inlet, an outlet exiting the valve chamber, and a valve seat between the inlet and the outlet. A ball is disposed within the valve chamber and is movable between a closed position in which the ball is seated on the valve seat to sever fluid communication between the inlet and the outlet and an open position in which the ball is spaced from the valve seat to place the inlet and outlet in fluid communication.

Abstract: A vacuum breaking device for a vacuum generator, includes a main housing, wherein the main body is provided with an air supply port, a vacuum interface chamber and a vacuum generating chamber. An intake passage is arranged inside the main housing, a pilot valve controlled by an electromagnetic pilot valve assembly is arranged between the intake passage and the air supply port. The pilot valve includes a pilot valve body, a pilot valve core and a pilot valve spring. A throttle pipe is arranged axially inside the main housing. A pneumatic on-off valve is arranged between the vacuum interface chamber and the vacuum generating chamber and outside the throttle pipe. The pneumatic on-off valve includes a slide core and a slide core spring, and a control chamber mated with an end surface of the slide core is arranged inside the main housing.

Abstract: Embodiments of the invention provide a knife gate valve for flow along a flow path. The knife gate valve can include a body structure that includes a gate passage, a gate disposed to move within the gate passage between open and closed positions to selectively open or close a fluid aperture, and a gate seat configured to engage a free end and lateral edges of the gate. A transverse element can be formed from resilient material and can extend laterally across the gate passage to form a seal with a first side of the gate and with the gate seat.

Abstract: An instant hot water delivery system includes a thermal storage bin that receives hot water from a water heater via a hot water supply conduit and stores the hot water therein. The thermal storage bin is disposed adjacent a point of demand to deliver the hot water instantly to the point of demand responsive to a demand. The thermal storage bin is configured to retain a thermal energy of the hot water for a prolonged period using a phase change material. When the hot water stored in the thermal storage bin cools down below a threshold temperature, the cooled down hot water is recirculated to the water heater via a cold water supply conduit using a crossover valve. The recirculation is based on thermosiphon. Fresh hot water from the water heater replaces the cooled down hot water that is displaced from the thermal storage bin.

Abstract: A valve assembly for a turbine engine includes a valve arranged in an air flow path. The valve has a shaft. The valve is movable between an open position and a closed position. An electric actuator is coupled to the shaft and is configured to move the valve between the open position and the closed position. A thermal barrier is arranged between the valve and the electric actuator.

Abstract: A one-piece flap valve (150) comprising first and second portions hingedly connected to one another by a flexible strip, the first portion having a hingeable internal valve flap (152) and the second portion comprising an at least partially annular valve seat (154). The first and second portions being socket-fitted together by relative movement, such that the valve seat (54, 154) is spanned by the flap (152), the second portion comprising first and second legs (121a, 121b) having first and second locking lugs (127a, 127b) extending radially outwardly therefrom, the locking lugs for location within locking apertures (125a, 125b) of a tube body (10) of a dispenser. The flap valve (150) comprising a retaining mechanism configured and arranged such that once the flap valve is installed in a tube body of a dispenser, the retaining mechanism resists against radially inward displacement of the first and second legs.

Abstract: A valve assembly including a valve body with an inlet port and an outlet port, a flow passage and a valve element disposed within the flow passage, an actuator and a lockout mechanism configured to maintain the position of the valve assembly in an opened position or a closed position. The lockout mechanism can include at least one screw.

Abstract: Embodiments of an equalizing device for use with a safety valve and a safety valve are provided herein. In one embodiment, the equalizing device includes at least a tubular having a central bore extending axially there through, the tubular having a ball seat. The equalizing device may further include a ball positioned proximate the ball seat, the ball configured to move from a first position engaged with the ball seat to a second position disengaged from the ball seat to equalize pressure across the safety valve, and an arced ring positioned radially outside the ball, the arced ring configured to keep the ball engaged with the ball seat when in the first position and maintain the ball radially outside the ball seat when in the second position.