摘要:
Shut-off valve comprising a casing which has at least two connections, one shut-off element rotatably supported in the casing having a thru bore which selectively can be aligned with the connections and an outer cylindrical surface, and a cylindrical annular sealing sleeve of elastic material which is blocked against rotation in the casing which has thru bores adapted to be aligned with the connections, the sleeve sealing by cooperating with the cylindrical surface of the shut-off element and being axially held in place at its outer edge surfaces by the casing, whereby in the outside of the sealing sleeve being made of PTFE or like material around the thru bore a groove is formed into which an elastic sealing ring is placed, the diameter of which is larger than the depth of the groove.
摘要:
Apparatus for filling fluid products into container which comprises at least one feed line connectable with a reservoir for fluid products and a filling valve connects to the feed line. The filling valve comprises a tubular portion connected with the feed line. The tubular portion comprises, at its free end, a lateral end wall and an aperture. A slide sleeve is reciprocated by a positioning device and is movable coaxially of the tubular portion between open and closed positions. In its closed position, the slide sleeve sealingly engages the end wall to closed the aperture of the tubular portion. In its open position, the slide sleeve opens the aperture for product flow. Means are provided to lower the filling valve into a filling opening of a container positioned underneath the filling valve. The slide sleeve protrudes beyond the end wall in its open position and is dimensioned in its length such that it is either lowered to a position closely above the filling opening of the container or is moved into the filling opening. The slide sleeve comprises an annularly spaced portion in its inner wall which forms an axial passage between the lateral end wall and the slide sleeve in its open position.
摘要:
A shut-off and regulator device for controllable mechanisms intended for installation in pipelines, comprising a shut-off and regulating element movable between a closed position for engagement with a sealing seat and for inhibiting the flow of a pressurized fluid medium, and an open position, under the control of the pressurized medium, the shut-off and regulating element comprising a tubular spool sleeve which is adapted to be sealed in relation to a guide parallel to the pipeline when the device is installed and to move in relation thereto, and the sealing seat comprising an annular sealing face on a seat element fixed inside the spool sleeve, the seat element containing at least one passage, which in the open position, forms a through passage in association with at least one passage contained in the spool sleeve.
摘要:
A pipeline scraper comprising an elongated scraper body of preferably elastomeric solid material, having at least one annular sealing surface on both sides of a section having a smaller diameter, the distance between the sealing surfaces being equal to or smaller than the internal diameter of the pipeline, whereby on both sides of the section having a smaller diameter, at least one annular ridge-like, radial lip is provided which has a height which is at most a fifth to a tenth of the radius of the scraper body in the area of the sealing lip, with the distance of the scraper body from the pipeline in the area of the sealing lip corresponding to the 0.5- to 0.75-fold of the height of the lip and the sealing lip being formed and dimensioned such that upon getting into contact with the pipeline wall it is deflected and bent-off, respectively, such that the associated edge and the lateral face of the sealing lip get into contact with the pipeline wall, however, still leave a space to the scraper body.
摘要:
A pipeline scraper comprising an elongated scraper body of preferably elastomeric solid material, having at least one annular sealing surface on both sides of a section having a smaller diameter, the distance between the sealing surfaces being equal to or smaller than the internal diameter of the pipeline, whereby on both sides of the section having a smaller diameter, at least one annular ridge-like, radial lip is provided which has a height which is at most a fifth to a tenth of the radius of the scraper body in the area of the sealing lip, with the distance of the scraper body from the pipeline in the area of the sealing lip corresponding to the 0.5- to 0.75-fold of the height of the lip and the sealing lip being formed and dimensioned such that upon getting into contact with the pipeline wall it is deflected and bent-off, respectively, such that the associated edge and the lateral face of the sealing lip get into contact with the pipeline wall, however, still leave a space to the scraper body.
摘要:
An apparatus for selective combination of at least one first stationary pipeline for liquids with a plurality of second stationary pipelines by means of a movable pipeline connection and a coupling system, wherein the first and second pipelines have each a movable connecting pipeline which at the free end contains a connecting head, the connecting heads of the first pipelines being guided by means of first guides along parallel first axes and the connecting heads of the second pipelines being guided by means of a second guides along parallel second axes which extend perpendicularly to the first axes, the connecting heads having wound off end portions, the ends of which hold first coupling parts having front surfaces all lying in approximately one coupling plane, the second coupling parts have a circular radial retaining edges and the first coupling parts have a coupling annular segment with a radial flange section extending only over an arch length of 180 degrees or less and gripping back the retaining edge of the second coupling part when the front surfaces of interacting coupling parts are close to each other.