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: the respective valve distributor tree (rvdt) opens immediately into the lower tank bottom of a respectively associated tank of the process system, and/or the rvdt is connected via an associated pipe connection to an associated process aggregate or to the lower tank bottom of the process apparatus, and the pipe connection opens out into the tank-side or process-aggregate-side end of the valve distributor tree (vdt); a stirring device (16) which is operative in the entire interior space of the hollow structure is disposed in the vdt; and/or the vdt with the entire interior space of the hollow structure is part of a circulation line which extends over the tank or the process aggregate; and/or the vdt can be recuperatively acted upon by a heat transfer medium (W).

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 (4), when in its closed position rests with a stopping surface (4e), arranged on the boundary surface thereof radially adjacent on the inner side to the second seal (7), on the second seating surface (2b) and directly adjacent to the first seating surface (2a, 2g) with a central recess (4d) provided in the front face of the second closing body (4) facing the leakage cavity (5), beginning on the radial outside with a rotationally symmetrical deflector surface (4b) (starting point for the contour (K)) and frontwardly defined on the front face (4c) oriented essentially perpendicular to the longitudinal ...

DIAGNOSTIC METHOD FOR POPPET VALVES AND MEASURING DEVICE FOR CARRYING OUT SAID METHOD

The invention relates to diagnostic methods according to the preamble of the equivalent claims and , with which the state of a poppet valve in the course of the switching cycles and/or events thereof, such as the occurrence of pressure shocks or surges during continuous operation is/are monitored continuously, the measured signals are stored and the stored measured signals are interpreted in a targeted manner and early indication of cases of damage is carried out. According to a preferred variant of the diagnostic method, said aim is achieved in that at the same time as the force-time curve of the actuating force or the reaction force (F(); F()), a displacement-time curve (h(t)) of the displacement (h) of the at least one closing element (*) is measured, in that the force-time curve of the actuating force or of the reaction force (F(); F()) and the displacement-time curve (h(t)) are combined with each other and used to determine a force-displacement curve of the actuating force or the reaction force (F(); F()), in that the current force-displacement curve of the actuating force (F()) or the reaction force (F()) of a switching cycle, in each case determined over the operating period or lifetime of the poppet valve (), is compared with an earlier, stored curve, in that deviations are determined from the comparison, in that, within a predefined tolerance range for said deviations, the latter are accepted, and in that, when said deviations exceed the predefined tolerance range, a message and/or a control signal is/are generated. 11210081001211001212tt. A diagnostic method for poppet valves with which an actuating force (F) representing an action force that is generated by a drive () of the poppet valve () is determined for at least one closing element (*) of the poppet valve () in the form of a force-time curve , the actuating force (F) is either determined directly or from a reaction force (F) resulting from the actuating force (F) in the poppet valve () , wherein the ...

Device for driving a double seat valve capable of seat cleaning

A device for driving a double seat valve with two closing elements arranged in series and displaceable with respect to each other. A sleeve-shaped fourth drive piston pressurized by pressure medium, sealingly embraces a second drive piston on the circumference and can engage a catching connection in the direction of a first drive piston, wherein a second drive piston is adapted to be axially displaceable in a limited manner in both directions with respect to the first drive piston and in each case against the force of a second spring.

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: the respective valve distributor tree (rvdt) opens immediately into the lower tank bottom of a respectively associated tank of the process system, and/or the rvdt is connected via an associated pipe connection to an associated process aggregate or to the lower tank bottom of the process apparatus, and the pipe connection opens out into the tank-side or process-aggregate-side end of the valve distributor tree (vdt); a stirring device (16) which is operative in the entire interior space of the hollow structure is disposed in the vdt; and/or the vdt with the entire interior space of the hollow structure is part of a circulation line which extends over the tank or the process aggregate; and/or the vdt can be recuperatively acted upon by a heat transfer medium (W).

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 ...

Piping system for process plants in the food and beverage industry

A piping system for food and beverage process plants connecting a tank and process assembly to a pipe system via double seat valves mix-proof in the seat including valve distributor trees and the double seat has two serially disposed closing members with open and closed positions, the closing members delimiting a leakage cavity with a connection path to the surroundings of the double seat valve. A first closing member comes in sealing contact at a second closing member and transfers the second closing member into a sealed position. The second closing member having a hollow rod and a seat seal.

Seat cleaning-capable double-seat valve

The invention relates to a seat cleaning-capable double-seat valve (1) with two serially arranged closing elements (3, 4), moveable relative to each other and designed as slide pistons, which border both in the closed and open position of the double seat valve (1) a leakage cavity (9), which is connected with the surroundings of the double-seat valve (1) via a tubular shaft (4b/4c) arranged on a low-lying (with respect to a vertical normal position of the double-seat valve (1)), second closing element (4), in which a drainage hole (4d) is arranged. The second, independently driven closing element (4) is thereby designed larger than the first, independently driven closing element (3) so that, as a result, the double-seat valve (1) opens downward and the drainage of the leakage cavity (9) also takes place downward.

Double seat valve with seat cleaning

The invention relates to a double seat valve which is capable of cleaning the seat. The double seat valve includes a closing element (4), when in its closed position rests with a stop surface (4e), arranged on a boundary surface thereof radially adjacent on an inner side to a seal (7), on a second seating surface (2b) and directly adjacent to a first seating surface (2a, 2g) with a central recess (4d) provided in a front face of the closing element (4) facing a leakage cavity (5). The closing element (4) further includes a deflector surface (4b) opening in a front face (4c), wherein the deflector surface (4b) and the slop surface (4e) form a circumferential edge (U2) directly adjacent to a first end section (2g) of the first seating surface (2a) in the closed position of the closing element (4).

Seat cleaning-Capable Double -Seat Valve

The invention relates to a seat cleaning-capable double-seat valve ( 1 ) with two serially arranged closing elements ( 3, 4 ), moveable relative to each other and designed as slide pistons, which prevent in the closed position of the double-seat valve ( 1 ) the overflow of fluids from one valve housing part ( 1 a; 1 b ) into another ( 1 b; 1 a ) through a connecting opening ( 2 c ) connecting the valve housing parts ( 1 a, 1 b ) with each other and which border both in the closed and open position of the double seat valve ( 1 ) a leakage cavity ( 9 ), which is connected with the surroundings of the double-seat valve ( 1 ) via a tubular shaft ( 4 b/ 4 c ) arranged on a low-lying (with respect to a vertical normal position of the double-seat valve ( 1 )), second closing element ( 4 ), in which a drainage hole ( 4 d ) is arranged. An axially relocatable, cylindrical annular slide part ( 5 ) is provided.

Device for Driving a Double Seat Valve Capable of Seat Cleaning

The invention relates to a device (100) for driving a double seat valve (1) having two closing members (3,4) disposed in series and displaceable relative to each other and preventing, in the closed position of the double seat valve (1), the flow of fluids from a valve housing part (1a; 1b) into another (1b; 1a) through a connecting opening connecting said valve housing parts of a valve housing (10) with each other, and, even in the open position, bounding a leakage cavity (9) of the double seat valve (1) connected to the vicinity of the double seat valve (1).

Diagnostic method for poppet valves and measuring device for carrying out said method

The invention relates to diagnostic methods according to the preamble of the equivalent claims 1 and 2 , with which the state of a poppet valve in the course of the switching cycles and/or events thereof, such as the occurrence of pressure shocks or surges during continuous operation is/are monitored continuously, the measured signals are stored and the stored measured signals are interpreted in a targeted manner and early indication of cases of damage is carried out. According to a preferred variant of the diagnostic method, said aim is achieved in that at the same time as the force-time curve of the actuating force or the reaction force (F 1 ( t ); F 2 ( t )), a displacement-time curve (h(t)) of the displacement (h) of the at least one closing element ( 8 *) is measured, in that the force-time curve of the actuating force or of the reaction force (F 1 ( t ); F 2 ( t )) and the displacement-time curve (h(t)) are combined with each other and used to determine a force-displacement curve of the actuating force or the reaction force (F 1 ( h ); F 2 ( h )), in that the current force-displacement curve of the actuating force (F 1 ( h )) or the reaction force (F 2 ( h )) of a switching cycle, in each case determined over the operating period or lifetime of the poppet valve ( 100 ), is compared with an earlier, stored curve, in that deviations are determined from the comparison, in that, within a predefined tolerance range for said deviations, the latter are accepted, and in that, when said deviations exceed the predefined tolerance range, a message and/or a control signal is/are generated.

Device for installing piping in process plants in the food and beverage industry

The invention relates to a device for installing piping in process plants in the food and beverage industry, wherein each valve bank opens directly into the lower tank floor of an associated tank of the process plant or/and each valve bank is connected by means of a pipe connection to an associated process aggregate or tank of the process plant and the pipe connection opens into the end of the valve bank on the tank or process side. The second closing member is designed as a hollow bar and the second seat seal is received in an end face of the hollow bar-shaped second closing member facing the first closing member. The hollow bar-shaped second closing member comprises a cylindrical receptacle hole on the inside in the end segment thereof receiving the second seat seal, said hole having the same diameter as the cylindrical first seating surface, and the receptacle hole and the first seating surface have a flush transition in the closed position of the second closing member.

Device for the piping of process systems in the food and beverage industry, and method for operating a device

The invention relates to a device for the piping of process systems of the food and beverage industry, wherein the respective valve distributor tree exits directly from the lower tank base of each associated tank of the process system, and/or wherein the respective valve distributor tree is connected to an associated process unit or tank of the process system via an associated pipe connection, and the pipe connected ends in the end of the valve distributor tree on the tank or process unit side, an agitator capturing the entire interior of the hollow structure is disposed in the valve distributor tree, and/or the valve distributor tree is part of a bypass line being guided across the tank or the process unit together with the entire interior of the hollow structure, and/or a heat carrier medium can be recuperatively applied to the valve distributor tree.

Device for installing piping in process plants in the food and beverage industry

The invention relates to a device for installing piping in process plants in the food and beverage industry, wherein each valve bank opens directly into the lower tank floor of an associated tank of the process plant or/and each valve bank is connected by means of a pipe connection to an associated process aggregate or tank of the process plant and the pipe connection opens into the end of the valve bank on the tank or process side. The second closing member is designed as a hollow bar and the second seat seal is received in an end face of the hollow bar-shaped second closing member facing the first closing member. The hollow bar-shaped second closing member comprises a cylindrical receptacle hole on the inside in the end segment thereof receiving the second seat seal, said hole having the same diameter as the cylindrical first seating surface, and the receptacle hole and the first seating surface have a flush transition in the closed position of the second closing member.

Device for installing piping in process plants in the food and beverage industry

The invention relates to a device for installing piping in process plants in the food and beverage industry, wherein each valve bank opens directly into the lower tank floor of an associated tank of the process plant or/and each valve bank is connected by means of a pipe connection to an associated process aggregate or tank of the process plant and the pipe connection opens into the end of the valve bank on the tank or process side. The second closing member is designed as a hollow bar and the second seat seal is received in an end face of the hollow bar-shaped second closing member facing the first closing member. The hollow bar-shaped second closing member comprises a cylindrical receptacle hole on the inside in the end segment thereof receiving the second seat seal, said hole having the same diameter as the cylindrical first seating surface, and the receptacle hole and the first seating surface have a flush transition in the closed position of the second closing member.

Double seat valve

Diagnostic method for poppet valves and measuring device for carrying out said method

The invention relates to diagnostic methods according to the preamble of the equivalent claims 1 and 2, with which the state of a poppet valve in the course of the switching cycles and/or events thereof, such as the occurrence of pressure shocks or surges during continuous operation is/are monitored continuously, the measured signals are stored and the stored measured signals are interpreted in a targeted manner and early indication of cases of damage is carried out. According to a preferred variant of the diagnostic method, said aim is achieved in that at the same time as the force-time curve of the actuating force or the reaction force (F1(t); F2(t)), a displacement-time curve (h(t)) of the displacement (h) of the at least one closing element (8*) is measured, in that the force-time curve of the actuating force or of the reaction force (F1(t); F2(t)) and the displacement-time curve (h(t)) are combined with each other and used to determine a force-displacement curve of the actuating force or the reaction force (F1(h); F2(h)), in that the current force-displacement curve of the actuating force (F1(h)) or the reaction force (F2(h)) of a switching cycle, in each case determined over the operating period or lifetime of the poppet valve (100), is compared with an earlier, stored curve, in that deviations are determined from the comparison, in that, within a predefined tolerance range for said deviations, the latter are accepted, and in that, when said deviations exceed the predefined tolerance range, a message and/or a control signal is/are generated.

Doppelsitzventil

Vorrichtung zur verrohrung von prozessanlagen der nahrungsmittel- und getränkeindustrie

Doppelsitzventil

Sæderengørlig dobbeltsædeventil

Sitzreinigungsfähiges doppelsitzventil

Die Erfindung betrifft ein sitzreinigungsfähiges Doppelsitzventil, welches gegenüber dem Stand der Technik dahingehend verbessert ist, dass eine möglichst verwirbelungsfreie Ableitung der Sitzreinigungsströmung in den und aus dem Leckagehohlraum sichergestellt ist und eine druckerhöhende Direktbeaufschlagung der Sitzbereiche sicher vermieden wird. Dies wird unter anderem dadurch erreicht, dass das zweite Schließglied (4) in seiner Schließstellung mit einer Anschlagfläche (4e), die an seiner der zweiten Dichtung (7) radial innenseits benachbarten Begrenzungsfläche angeordnet ist, an der zweiten Sitzfläche (2b) anliegt, und zwar unmittelbar an die erste Sitzfläche (2a, 2g) angrenzend, dass in der dem Leckageraum (5) zugewandten Stirnseite des zweiten Schließgliedes (4) eine zentrische Ausnehmung (4d) vorgesehen ist, die radial außenseits mit einer rotationssymmetrischen Umlenkfläche (4b) beginnt (Anfangspunkt der Kontur (K)) und stirnseitig von einer im Wesentlichen senkrecht zur Längsachse des zweiten Schließgliedes (4) orientierten Stirnfläche (4c) begrenzt ist, wobei die Umlenkfläche (4b) in die Stirnfläche (4c) ausmündet (Ausmündungspunkt der Kontur (K)), dass die Umlenkfläche (4b) und die Anschlagfläche (4e) eine zweite Umlaufkante (U2) ausbilden, die in der Schließstellung des zweiten Schließgliedes (4) unmittelbar an einen ersten Endabschnitt (2g) der ersten Sitzfläche (2a) angrenzt, dass, im Meridianschnitt gesehen, die Umlenkfläche (4b) eine Kontur (K) mit knickfreiem Verlauf aufweist, wobei ein Richtungsvektor im Ausmündungspunkt der Umlenkfläche (4b) in eine zentrisch im ersten Schließglied (3) angeordnete Ablaufbohrung (3d) weist, ohne mit dem ersten Schließglied (3) im Bereich seiner den Leckagehohlraum (5) berandenden Bereiche oder der Mitteldichtung (8; 8*) staudruckbildend zu kollidieren, und dass eine dem Leckagehohlraum (5) zugewandte stirnseitige Begrenzung des ersten Schließgliedes (3) einen axialen Sicherheitsabstand (x) vom Richtungsvektor an ...

Válvula de asiento doble capaz de limpiar un asiento

Válvula de asiento doble capaz de limpiar un asiento, con dos elementos de cierre (3, 4) dispuestos enserie que se pueden mover de modo relativo entre sí, que en la posición de cierre de la válvula de asiento doble (1)evitan el derrame de líquidos desde una parte de la carcasa de la válvula (1a; 1b) a la otra (1b; 1a), que limitan tantoen la posición de cierre como en la posición abierta un espacio hueco de fugas (5) que está unido con el entorno dela válvula de asiento doble (1), en la que en la posición de cierre el primer elemento de cierre (3) conformado comoémbolo pasador se aloja de modo obturado en una abertura de unión (2c) que une entre sí las partes de la carcasade la válvula (1a, 1b), y en el transcurso de su movimiento de abertura se pone en contacto obturado con unsegundo elemento de cierre (4) asignado a una segunda superficie de asiento (2b), que presenta una segundaobturación (7) a través de una obturación central (8; 8*) que actúa entre los elementos de cierre (3, 4), y esta última,en el movimiento de abertura posterior se lleva igualmente a una posición abierta (H), en la que el primer elementode cierre (3) presenta una primera obturación (6) que obtura de modo radial respecto a una primera superficie deasiento (2a) cilíndrica conformada en la abertura de unión (2c), con elementos de cierre (3, 4) que pueden sertransportados de modo independiente entre sí por medio de una carrera parcial en la anchura del intersticio a unaposición de limpieza del asiento con la finalidad del lavado de sus superficies de asiento (2a, 2b) coaxiales, en la queel segundo elemento de cierre (4) se puede llevar por medio de una segunda carrera parcial (T2) orientada en lamisma dirección que el movimiento de abertura, y el primer elemento de cierre (3) se puede llevar a través de unaprimera carrera parcial (T1) en dirección opuesta al movimiento de abertura a su posición de limpieza de asientocorrespondiente, estando en contacto el segundo elemento de cierre (4) en su ...