Patent application number | Description | Published |
20090008594 | Double seat valve - The invention relates to a double seat valve with cleanable seats, which is improved with regard to the prior art in that a discharge possibly free of turbulence of the seat cleaning flow into and out of the leakage cavity is ensured and a direct admission of the seat areas, which would increase pressure, is safely avoided. This is achieved in that the second closing element ( | 01-08-2009 |
20090044874 | Double Seat Valve - The invention relates to a double seat valve, which is capable of cleaning the seat and which is improved compared to that of the prior art, whereby a delivery as free from turbulence as possible of the seat cleaning flow into and out of the leakage cavity is ensured, and a pressure-increasing direct action upon the seat areas is reliably prevented. This is achieved in that: the second closing element ( | 02-19-2009 |
20100132822 | DOUBLE-SEAT VALVE, THE SEATS OF WHICH CAN BE CLEANED - The invention relates to a double-seat valve, the seats of which can be cleaned, which is improved compared to the prior art in that discharge of the seat cleaning flow into and out of the leakage cavity as much as possible without turbulence is ensured, and pressure-increasing direct action on the seat areas is reliably avoided. This is achieved among other things in that the double seat valve ( | 06-03-2010 |
20100180958 | Double seat valve with seat cleaning - The invention relates to a double seat which is capable of cleaning the seat and which is improved compared to that of the prior art, whereby a delivery as free from turbulence as possible of the seat cleaning flow into and out of the leakage cavity is ensured, and a pressure-increasing direct action upon the seat areas is reliably prevented. This is achieved in that: the second closing element ( | 07-22-2010 |
20100243073 | Double-seat valve having a seat-cleaning function, and method for cleaning said double-seat valve having a seat-cleaning function - A double-seat valve having a seat-cleaning function, wherein the double-seat valve opens downward, and the two closing elements can be moved independently of each other by a partial lift in each case gap-wide into a seat cleaning position for the purpose of cleaning their seat such that the dependently driven second closing element is pushed into its respective seat cleaning position by a second partial lift in the same direction of the opening movement, and the independently driven first closing element is pushed into its respective seat cleaning position by a first partial lift in the direction counter to the opening lift. | 09-30-2010 |
20110005611 | DOUBLE SEAT VALVE CAPABLE OF CLEANING THE SEAT AND HAVING A CLEANING DEVICE FOR A HOUSING PENETRATION - The invention relates to a double seat valve capable of cleaning the seat and having a cleaning device for a housing penetration critical for cleaning, having the features in the preamble of claim | 01-13-2011 |
20110042602 | List Valve, Particularly for Process Technology - The invention relates to a lift valve ( | 02-24-2011 |
20110100492 | Seat cleaning-Capable Double -Seat Valve - The invention relates to a seat cleaning-capable double-seat valve ( | 05-05-2011 |
20110114198 | DEVICE FOR INSTALLING PIPING IN PROCESS PLANTS IN THE FOOD AND BEVERAGE INDUSTRY - The invention relates to a piping system for process plants of the food and beverage industry, that connects a tank and/or a process assembly to a pipe system via double seat valves formed mix-proof in the seat area, wherein a valve distributor tree opens directly into the lower tank bottom of a respectively assigned tank of the process plant and/or the valve distributor tree is connected via an assigned pipe connection to an assigned process assembly or tank of the process plant, and the pipe connection opens into the tank-side end or process assembly-side end of the valve distributor tree, in which according to the invention the second closing member is designed as a hollow rod that has at its end facing the first closing member a second seat seal that acts together with a second seat abutting at a cylindrical first seat; that the first closing member, designed as a valve piston, has a radially acting first seat seal that in the closed position of the valve is sealingly received in the first seat, forming the connector opening; that the hollow rod shaped second closing member at its end section receiving the second seat seal has on the inside a cylindrical receiving bore that is designed with the same diameter as the cylindrical first seat; that in the closed position of the second closing member, the receiving bore and the first seat are merging together in a flush manner; the second closing member having a closing member-side stop surface, has a metallic stop on the second seat, an assigned seat-side stop surface borders directly at the first seat, and in which valve rods disposed concentrically within each other are provided for the closing members which are led on one side into and out of the valve housing (FIG. | 05-19-2011 |
20110114866 | Device for Driving a Double Seat Valve Capable of Seat Cleaning - The invention relates to a device ( | 05-19-2011 |
20110192475 | Device for the piping of process systems in the food and beverage industry - A device for the piping of process systems in the food and beverage industry. in that:
| 08-11-2011 |
20140311600 | Drive for Switching a Double Seat Valve - A double set valve capable of seat cleaning has a drive and control unit integrated together. The drive switches the valve, and includes two closing elements moveable independently of each other and enclose a leakage cavity. | 10-23-2014 |
20150075567 | Method for Cleaning the Seat of a Double Seat Valve and Double Seat Valve for Performing the Method - A method for cleaning the seat of a double seat valve and the double set valve has a deflection surface bordering the remaining area of a recess not delimiting a circumferential wall and opens out from the latter at a front and radially insise end of a second closing member facing a first closing member. | 03-19-2015 |