A sanitary faucet (1) containing a faucet body (2) with an outlet (4) having an outlet opening (3); a valve adapter (5) disposed in the faucet body (2); a valve (6) for at least partially closing off the outlet opening (3), which is at least partially disposed in the valve adapter (5); and a connection element (7) for connecting a water guide (8) disposed in the outlet (4) to a water aperture (9) of the valve adapter (5), wherein a linear slide guide (10) is used to attach the connection element (7) to the valve adapter (5). In addition, a method of assembling a sanitary faucet (1) is proposed.

A gate valve includes a valve body and a valve cover. The valve body includes a first opening, a second opening, a third opening, a flow passage from the first opening to the second opening, and a gate channel from the flow passage to the third opening. The gate channel has a central longitudinal axis and a ridge defining a perimeter of the third opening. The valve cover can fit over the third opening and, under force on the valve cover, exert a clamping force on the ridge. The clamping force has a first force component perpendicular to the central longitudinal axis and a second force component parallel with the central longitudinal axis. The first force component of the clamping force is toward the gate channel. The ridge includes a first surface configured to mate with a first surface of the valve cover.

A modular valve assembly includes a bonnetless main core, a first releasable connection, and a second releasable connection. A first inlet end connection includes a first inlet end flow passage. The first inlet end flow passage includes a curved portion that changes a direction of the first inlet end flow passage between 30 and 120 degrees. A second inlet end connection includes a second inlet end flow passage. The second inlet end connection passage is substantially straight. A first outlet end connection includes a first outlet end flow passage. The first outlet end flow passage includes an angled portion. A second outlet end connection passage includes a second outlet end flow passage. The first and second inlet end connections and the first and second outlet end connections are rapidly reconfigurable to form a variety of valve configurations.

A gate valve and a seat insert for a gate valve having a valve body, which may be used for hydrocarbon well fracturing operations with a fracturing fluid, or “frac fluid”, includes a seat pocket for receipt of the seat insert and a seat, which seat insert may include a tubular member having a first and a second seat insert end face, the first and second seat insert end faces each include at least one annular seal, and the seat insert is disposed in the seat pocket with the first seat insert end face sealed against the valve body and the second seat insert end face sealed against the seat.

A connector adapted to form a fluid tight connection includes first and second housing sections defining a fluid path. A locking element is configured to selectively lock the first and second housing sections together. A slide seal is positioned generally between the first and second housing sections and is movable between a first, blocking position in which the slide seal blocks and seals the fluid path and a second, unblocking position in which the fluid path is unblocked.

A bonnet for a gate valve is provided or retrofitted for minimizing sand-packing and minimizing interruption of operations. An annular recess is formed about the stem, the resulting profile and dimensional modification effective to minimize packing effects when stroking the gate to the retracted position. In an embodiment, the annular recess is one or more of a cylindrical or conical recess. In another embodiment, wherein a retracted gate stops against the bonnet, one or both of the bonnet and gate interface is fit with beveled surfaces for receiving sand that accumulated on the stop.

The invention relates to a method for producing a central housing part (1) of a high-pressure slide gate valve from high-temperature steel, in the case of which two die-forged central-housing-part half-shells (1a, 1b) with forged-on connectors (4a, 4b) are welded to one another, using electron-beam welding without any welding filler material, by a butt weld seam (2), which runs in a plane (3) which runs transversely to the connectors (4a, 4b) and subdivides the central housing part (1). In order to increase the creep resistance, and to reduce the weight, of such a central housing part, the production costs at the same time being advantageous, the invention proposes that the wall thicknesses of the central-housing-part half-shells (1a, 1b) should be designed overall on the basis of a weld strength factor (WSF=1), and that, once the weld seam (2) has been produced, the entire central housing part (1) should be subjected to a rigorous heat treatment involving heating to beyond the transformation temperature, quenching and tempering.

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.

In some implementations, a cavity filler for a gate valve may include a first body configured to be received within a cavity of the gate valve. The first body may include a first aperture configured to receive fluid passing through a fluid conduit of the gate valve, the fluid conduit defining a direction of flow. The first body may include a first lip, extending in a direction parallel to the direction of flow, configured to receive a gate of the gate valve. The cavity filler may include a second body configured to be received within the cavity of the gate valve. The second body may include a second aperture configured to receive the fluid passing through the fluid conduit. The second body may include a second lip, extending in the direction parallel to the fluid conduit, configured to receive the gate of the gate valve.

A valve operator assembly for a valve includes a valve body and an axially moveable valve translating member, a housing mounted on the valve, an input member rotatably mounted with respect to the housing, and a transmission mechanism. The transmission mechanism including a translating element connected to the valve translating member and a rotating element connected to the input member. The transmission mechanism configured to convert applied rotation of the input member into axial translation of the translating element. The valve operator assembly providing a spacing element having a tubular shape defining an axial bore through which passes the valve translating member and the translating element of the transmission mechanism. The spacing element connected by intermediate fixing means on the valve body on one end and on the housing on the other end to define cooperating mounting surfaces between the spacing element.