WO2017089556A1

WO2017089556A1 - Globe valve

Info

Publication number: WO2017089556A1
Application number: PCT/EP2016/078834
Authority: WO
Inventors: Hans Jakob Straub
Original assignee: Straub Kg
Priority date: 2015-11-25
Filing date: 2016-11-25
Publication date: 2017-06-01
Also published as: DE102016122761A1; DE112016005400A5; CN108291665B; CN108291665A

Abstract

Disclosed is a globe valve (100) for closing and opening a secondary opening (6) of a pipe in a manifold system of a heating or cooling system, in order to fill or empty the heating or cooling system, or one or more sections of said heating or cooling system. The valve has a valve insert (20) and a valve seat (17), both of which can be arranged concentrically with a common functional axis (7) and at a distance from one another along this functional axis, in or at opposing openings (5, 6) of the pipe. The valve insert also has a bleed unit (70).

Description

title

globe valve

Field of the invention

The invention relates to a lifting valve for closing and opening a secondary opening of a pipe of a pipe distribution system of a heating or a cooling system for filling or emptying the heating or cooling system or one or more of its sections according to the preamble of claim 1.

State of the art

The prior art discloses a variety of manifold distribution systems for heating or cooling systems. Such piping systems are also known in the art as, for example, connection distributors or connection distributors for surface or wall heating, for example in the product data sheet "FB connection distributor e-class 63 VA, article no .: 51-xx63xx" from strawa Wärmetechnik GmbH, 99869 Schwabhausen, DE. Such a manifold system is known for example from DE 10 2013 110 982 A1. In a main pipe of this manifold system several valves for controlling a fluid are arranged on its upper side. On the underside of this main pipe, which is often also called manifold, there are connections that are axially opposite these valves. At the connections, the continuing lines - for example, for underfloor heating - connected. The main pipe can be connected by means of a union nut with other - not shown pipes. The end of the main pipe is provided with a sealing plug. An emptying unit for filling or emptying the Pipe manifold system is attached to the bottom of the main pipe. If the system is filled, a tap not shown here is closed at the emptying unit. A cap prevents fouling of the connection thread on the emptying unit. Above the emptying unit a venting unit is arranged. As a rule, such a manifold system is installed in a distribution cabinet. This distribution cabinet is usually embedded in a wall. For the handling / operation of the arranged on the main pipes of the manifold system functional units, such as valves, draining unit, venting unit and the like, is relatively little space in the distribution cabinet, so untrained people in the operation must be very careful, so incorrect settings on the functional units but also injuries be avoided on the hands of the operators.

Demands have recently been made on the market, particularly by users and fitters, for the manufacturers of such manifold systems to reduce the number of functional units on the main pipes of a manifold system on the one hand. On the other hand, the operation of these systems should be improved. In addition, there is also an enormous pressure on the selling prices of such functional units and manifold systems.

Description of the invention

Based on this background, the object of the invention is to improve the handling of the operation of the functional units present on a main pipe on a main pipe of a said pipe distribution system and to reduce the manufacturing costs and / or the maintenance costs.

The object is achieved by a lifting valve with the features of claim 1. The subordinate claims disclose embodiments and refinements of the invention. The essence of the invention is that the functional units emptying unit and venting unit of a manifold system are combined into a single functional unit. In addition, it is provided according to the invention that the controls of this new functional unit are arranged on one side of the respective main pipe or the relevant main pipes of the pipe manifold system. advantageously, these controls are arranged on the side of the main pipe on which substantially the controls of the other functional units are arranged. Preferably on the side of the main pipe, on which are also the controls of the valves arranged on the main pipe. Preferably, this is in each case the upper side of the relevant main pipe, which is also called by the experts connection distributor or eg manifold.

It is essential in the new functional unit, the combined lift valve, that the functional axes of the individual modules of the new functional unit, so the body axes of the assembly 'emptying / filling' and the assembly 'vent', along which the components of these modules are moved to perform the function, lie on a common axis.

Another aspect of the invention is that the venting unit is arranged substantially in and / or on the spindle of the valve core of the lift valve. The venting unit is thus now virtually integrated into the emptying unit serving for filling or emptying.

For this purpose, in a spindle rod of the spindle, a base bore is preferably introduced from above, in which a regulating, axially movable bolt of the ventilation unit is arranged. Preferably, a closing surface is integrally formed in the base bore by appropriate shaping at a portion of the inner surface thereof and the end portion of the bolt inserted into the blind bore is formed at its end as a closing body. For axial movement of the bolt, so to open or close the valve of the venting unit, the bolt has in a central portion on its lateral surface an external thread and the blind bore has on the corresponding portion of its inner surface an internal thread. This external thread and this internal thread interlock. If the bolt is rotated at its free end, which has key surfaces, an axial adjustment of the bolt, in particular of its closing body, takes place with respect to the closing surface arranged in the blind bore of the spindle rod.

In the rearmost portion of the blind bore, so close to its - inner - end face, a recess is arranged, which breaks through the outer surface of the spindle and thus forms an opening / an opening. This opening is also arranged in the spindle so that it moody mounting of the lift valve is always positioned inside the main pipe. It does not matter whether the globe valve has the functional position open or closed or an intermediate position. The fluid medium carried in the main pipe for the intended heating purposes or cooling purposes and the other medium or media not desired in the same, such as air, always has access to the base bore provided in the upper section of the spindle and thus to the ventilation unit.

In addition to the advantages achieved with regard to the improvement of the operation and the cost saving, the venting unit according to the invention should also prevent, during the venting process after the escape of the air in the heating system or in the cooling system, also pressurized fluid, e.g. Heating water, escapes from the opening in an uncontrolled manner or ejects under pressure from the screw and / or vent opening; especially if the shutter was opened too fast or too wide.

Another aspect of the invention is that the valve core is essentially made of a low cost material, e.g. Made of plastic, however, its contact surface / contact surfaces are made of the metal usually made of metal main pipe of the manifold system. This contact surface or contact surfaces are also the surfaces which are required for the attachment of the valve core in the main pipe. This contact surface or contact surfaces are therefore also more heavily loaded.

A further advantage is seen in the fact that the material of this contact surface or contact surfaces with respect to electrochemical reactions acting on the compound produced is better tunable to the material of the main tube. Thus, the occurrence of corrosion can be counteracted by electrochemical reactions at the joints. Because according to the invention, not the entire valve core but only corresponding areas of its outer surface are made of high quality material results in an enormous cost savings. This cost saving relates to the manufacture, storage and maintenance of such manifold systems.

Brief description of the drawings Further details, features and advantages of the invention are given in the following part of the description and explained in more detail and are also disclosed in connection with the description and the embodiments of the invention shown schematically in figures. However, these embodiments do not limit the invention. Show it:

1 shows a longitudinal section through a main pipe of a manifold system with inserted lift valve according to the invention at a secondary opening of the main pipe.

1a shows the valve insert of the lifting valve of Figure 1 in a perspective view and with a half-section along its functional axis.

FIG. 1b shows a second variant of the valve insert of the lifting valve according to FIG. 1 in a perspective view and with a half section along its functional axis; FIG.

FIG. 2 shows the valve insert of the lifting valve according to FIG. 1 in a longitudinal section and a perspective view together with the associated valve seat;

FIG. 3 shows the illustration according to FIG. 2 with the closing body raised; FIG.

4 shows the valve insert together with the associated valve seat in a perspective view and a longitudinal section, with the valve closed and the venting unit open

and

Fig. 5 is a main pipe of a piping system according to the prior art.

Detailed description of the drawings

First, it is anticipated that terms such as "left," "right," "top," or "bottom" refer only to the illustration in the figures, but may differ from the actual arrangement in practice. It should also be noted that the figures are not purely technical drawings, which is why partial hatching and demolition lines are missing. Also, the relative dimensions may deviate from reality. In the description not mentioned reference numerals result from the list of reference numerals. The reference numbers have the same meaning in all figures.

FIG. 5 shows a main pipe of a piping system according to the prior art. The main pipe of a manifold system will be known to those skilled in the art among other things also called connection distributor or distributor bar. FIG. 5 specifically shows a distributor bar 110 according to DE 10 2013 110 982 A1. This manifold 110, a specially shaped tube, has two primary openings. The primary openings are arranged at the axial ends of the distributor bar 110 concentric to a main axis 117. At the left end a union nut 115 is positioned on and on the manifold 110, with which a connection with a fluid-conducting pipe can be produced. The primary opening on the right is closed here with a stub 116. On the upper side of the distributor bar 110, a plurality of valves 113 are arranged at a distance from one another. Functional parts of these valves 113 protrude through secondary openings into the distributor bar 110. At the bottom of the distribution bar 110 ports in the form of connecting pieces 114 are provided. Functional portions of these connecting pieces 114 project through the first-mentioned secondary openings opposite further secondary openings also in the manifold 110 and interact with at least one component of the respective opposing valve 113 functionally together. In the left end section of the distributor bar 110, a ventilation unit 112 is arranged on its upper side and a filling and emptying tap 111 is arranged on its underside. The venting unit 112 is operated from the top and the filling and venting tap 111 from below. FIG. 1 shows the section of a distributor bar, that is to say a main pipe of a pipe distributor system, on which the functional units for filling or emptying and for venting the pipe distributor system are arranged. The illustration shown is a longitudinal section through the relevant section of the distributor bar. In the exemplary embodiment of the invention shown in FIG. 1, a lifting valve 100 according to the invention is used in opposing secondary openings arranged concentrically to a functional axis 7 of the main pipe 1. The lifting valve 100 consists of the two main assemblies, the valve core 20 and the connecting piece 10. The connecting piece 10 is fixed with its inner socket 14 in a arranged in the bottom 4 lower opening 6 and projects into the main pipe 1 inside. For the connection and attachment, an external thread on the inner socket 14 and in the opening 6, an internal thread is attached. The connecting piece 10 has a longitudinal axis 11. This longitudinal axis 11 is congruent with the functional axis 7 of the lifting valve 100. Concentrically with respect to this longitudinal axis 11, a through-bore 15 is provided in the connecting piece 10. The end portion of the inner surface 16 of the through hole 15 lying in the inner socket 14 is a valve seat 17 of the lift valve 100. Advantageously, this valve seat 17 is cylindrical in the direction of the inside and conically shaped towards the outside. At the opposite end to the inner socket 14, the connecting piece 10 has an outer pipe 13. This outer pipe 13 has an external thread for fastening a connecting element, for example a coupling part of a pipe or a hose, which are required for filling or emptying of the main pipe 1. The collar 12 is used for conditioning and connection of the connecting piece 10 to and with the main tube 1, here the bottom 4. Advantageously, one or more contact surfaces for this collar 12 are advantageous provided the attachment of a tool.

The first main assembly of the lift valve 100, the valve core 20, consists of a spindle 40 together with closure member 42, a base body 30, a locking cap 60 and a venting unit 70. For the attachment of the valve core 20 to the main pipe 1, the exposed outside of the main body 30 section the spindle 40 is inserted through an upper opening 5 of the main pipe 1 arranged in the upper side 3 into the interior thereof and screwed to an outer thread arranged on the main body 30 on and in the upper opening 5 until "stuck together". For this purpose, an internal thread is provided in the upper opening 5.

The body longitudinal axis of the valve core 20 also defines the position of the functional axis 7 of the lifting valve 100. The functional axis 7 lies in the exemplary embodiment shown transversely to the main axis 2 of the main tube 1.

The venting unit 70 is arranged according to the invention in the region of the middle and the upper portion of the spindle 40. The further construction of the venting unit 70 together with its components and their function will be described in more detail later on. The valve insert 20 of the lift valve 1 shown in FIG. 1 is shown in FIG. 1 a in a perspective view and with a half section along its functional longitudinal axis 7.

First, the structure of the main body 30 will be further described. He is a sleeve-shaped body, quasi a guide sleeve in the form of a stepped annular cylinder. In essence, it is subdivided into an upper sleeve section 31 and a lower sleeve section 32. A collar 35 is arranged between these two sections 31 and 32 of the main body 30, concentric with the functional axis 7.

On the outer circumferential surface of the lower sleeve portion 32, a cylindrical second metal part 90 is attached. Seen in cross-section, this second metal part 90 is L-shaped. This second metal part 90 is pushed onto the lower sleeve section 32 until its short leg rests against the lower end face of the collar 35. To fix the assumed position of this second metal part 90, a clamp-shaped part, advantageously a stepped annular clamp, preferably a first metal part 91 is positioned at and on the collar 35 and then fixed to the collar 35, advantageously by crimping its edges. In this case, the one beaded edge bears against the upper end face of the collar 35 and the opposite lower edge of the clip 91 engages around the radially oriented short leg of the second metal part 90.

The outer circumferential surface of the long leg of the second metal part 90 has an external thread. With this external thread of the valve insert 20 is screwed into the upper opening 5, see Figure 1, and fixed to the main pipe 1. In this case, the radially oriented short leg of the second metal part 90 encompassing lower edge portion of the clip 91 is located on the top 3 of the main pipe 1 at.

Above the collar 35, the outer circumferential surface of the upper sleeve portion 31 is stepped at least once. Immediately after the collar 35 is a portion of the lateral surface as n-Kantf surface, shaped here as 6-edge surface 38. The following section of the lateral surface has a smaller diameter. In this stepped outer surface are spaced apart a first annular groove 36 (a lower annular groove) and a second annular groove 37 (an upper annular groove) incorporated. The purpose of these technical details will be described later. The inner circumferential surface of the lower sleeve portion 32 is a sliding surface 33. The inner circumferential surface of the upper sleeve portion 31 is formed as an internal thread 34. The recess passing through the lower sleeve section 32 and the upper sleeve section 31 overall serves to receive and guide the spindle 40 of the valve insert 20. For this guide in the sleeve sections 32 and 33, the spindle 40 has an external thread 44 in its middle body section, see FIG. and at an axial distance from this external thread a radially protruding annular groove (without reference numeral), in which a sealing ring, a so-called O-ring, is arranged.

During an axial movement of the spindle 40, the outer surfaces of this radially protruding annular groove together with the sealing ring slide along the sliding surface 33 of the main body 30. On the one hand thereby the spindle 40 is guided and on the other hand at the same time the area of the valve insert 20, in which the means for the movement and further guidance of the spindle 40 are arranged, sealed against the fluid-carrying area of the main pipe 1.

For the axial movement of the spindle 40, the internal thread 34 of the main body 30 and the external thread 44 of the spindle 40 functionally cooperate. For this purpose, a rotational movement of the spindle 40 is also necessary. For the generation of the rotational movement, a locking cap 60 is initially mounted on the upper portion of the main body 30. In the area of this upper sleeve section 31, the locking cap 60, which is graduated in diameter, surrounds the lateral surface of the upper sleeve section 31 with its central section 62. At least one latching lug 64 projects radially inward from the inner surface of this central section 62. This locking lug 64 cooperates functionally with the already mentioned first annular groove 36 and the second annular groove 37. Here, in Figure 1a, the locking lug 64 is located in the first annular groove 36. As a result, the axially displaceable locking cap 60 is temporarily locked in the axial direction. The region of the middle section 62, in which a latching lug 64 is provided, is designed as a resilient segment 65 in this embodiment shown.

Below the central portion 62, the lower portion 61. The inner surface of this lower portion 61 is formed corresponding to the n-shaped surface 38 of the main body 30. This n-edge surface 38 is spatially fixed and acts in conjunction with the inner surface of the lower portion 61 as a rotation against unintentional movement of the spindle 40th

Above the middle section 62 is the upper section 63 of the locking cap 60. An axial region of the inner surface of this upper section 63 has an inner ring 67, which interacts functionally with a region of the lateral surface of the spindle 40, see also FIG.

Further details of the spindle 40 are shown in Figures 2, 3 and 4 and will now be explained. These Figures 2, 3 and 4 respectively show the valve core 20 of the globe valve 100 in a longitudinal section and a perspective view together with associated valve seat. In these figures, the main pipe 1 is indicated for improving the clarity of the illustrations only with dashed lines 1/3 and 1/4.

In FIG. 2, the lifting valve 100 is closed, opened in FIG. 3 and closed again in FIG. In FIGS. 2 and 3, the venting unit 70 is closed and opened in FIG. The spindle 40, viewed from bottom to top in the axial direction, from a closing body 42, a spindle rod 41 a subsequent central region in which a radially protruding annular groove (without reference numerals) together with a guide plate 43 and an external thread 44 are arranged, another Region 45 and a final upper region 47. The lateral surface of the further region 45 has parallel to the functional axis 7 arranged longitudinal grooves 46, which are in operative connection with longitudinal webs of the inner ring 67 of the locking cap 60, at least temporarily. In the lateral surface of the upper portion 47, an annular groove 48 is arranged, whose function will be explained later. The end face of the upper area 47 has the reference numeral 49.

Concentric with the functional axis 7 and starting from the end face 49, a blind bore 50 is arranged in the spindle 40. The rearmost portion 51 of this blind bore 50, preferably in the immediate vicinity of the inner end face, is arranged on the inside a recess in the form of an opening 52, which breaks through the lateral surface of the spindle 40 in the region of the spindle rod 41 below the guide washer 43. At the locking cap 60 at least one, preferably three wing-shaped grip elements 66 are arranged distributed evenly outside. The locking cap 60 has been pushed in this illustration in the direction of arrow P1 from its position "rotation lock" out axially upwards to its position "turning", so that the locking lugs 64, which were positioned in the representation of Figure 1a in the first annular groove 36, now are positioned in the second annular groove 37. In this position, the longitudinal webs of the inner ring 67 engage in the longitudinal grooves 46 of the spindle 40. By turning the locking cap 60 in the direction of arrow P2, see Figure 3, the spindle 40, due to the interaction of the longitudinal webs 67 with the longitudinal grooves 46, simultaneously rotated about the functional axis 7. Due to the interaction of the external thread 44 of the spindle 40 with the fixed internal thread 34 of the main body 30, the body of the spindle 40 is moved axially in the direction of the arrow P3. In this case, the closing head 42 is moved away from the inner surface 16 and from the valve seat 17, so that the lifting valve 100 assumes the "open" functional position.

About the shared connection piece 10, more precisely through its through hole 15 through the main pipe can now be filled or emptied.

Depending on the given local situation, a fluid guiding element, e.g. a pipe or a hose to be connected to the other end e.g. into a collection container or connected to a pump.

Further details of the venting unit 70 are shown schematically in FIG. 4 and will now be explained in more detail, partly with the aid of FIG. 2.

The arranged in the spindle 40 blind bore 50 is part of the venting unit 70. Near the entrance of the blind bore 50, an internal thread 55 is formed on the local inner surface. After the end of this internal thread 55, the diameter of the base bore 50 tapers slightly and merges in the end region of this central portion 54 into an internal cone with a conical surface 53. After the conical surface 53, the rearmost portion 51 of the base bore 50 follows. The rearmost portion 51 further tapers, so that the inner surface slightly conically abuts against the inner end face of the base bore 50. Since the base bore 50 is functionally connected via the opening 52 with the interior of the main pipe 1, the base hole 50 must be basically closed and can only be opened for bleeding. In FIG. 4, the venting unit 70 is opened and the lifting valve 100 is closed. The closing body 42 of the spindle 40 is tightly seated in the valve seat 17/16.

For closing the blind bore 50, a bolt 71 is used. At the end of the bolt 71 introduced into the blind bore, a locking pin 72 is arranged and body inwardly follows a conical surface 73. In the region of its central portion 74, an external thread 75 is machined in the lateral surface of the bolt 71. This external thread 75 engages in the internal thread 55 of the base bore 50 and cooperates with this functionally onell.

After the external thread 75 follows in the axial direction, another section 76 which merges into a radially projecting gasket 77. The outer portion 78 of the pin 71 has key surfaces, so that here by means of a temporarily attachable tool, the bolt in rotation and consequentially can be brought into an axial movement.

A sleeve 81 is in the upper end of the spindle 40, partially covering the upper portion / area 47, fitted on the spindle 40 and engages with its inner annular detent rib 83 in the provided at the upper portion 47 annular groove 48 of the spindle 40 a. In the axial direction and upwards, the sleeve 81 extends so far that it engages over the sealing disc 77 arranged in the end region of the bolt 71. The diameter of the inner surface 82 of the sleeve 81 is dimensioned such that the outer diameter of the sealing washer 77 rests tightly against the inner surface 82.

Thus, in the axial direction between the sealing disc 77 and the annular detent web 83, an annular cavity is formed, which is bounded radially by the inner surface 82 and portions of the outer surface of the bolt 71 together with a portion of the outer surface of the upper portion 47 of the spindle 40.

When the vent valve is open, that is to say when the bolt 71 is partially turned out, air contained in the main pipe 1 can pass through the opening 52 pass through into the blind bore 50, then flows laterally past the closure pin 72 and the conical surface 73, flows further through the loosened threaded connection 75/55, then flows into the cavity formed between the sleeve 81 and the further portion 76 of the bolt 71 and can via a arranged in the wall of the sleeve 81 Ausgangsröhr- chen 84 outwardly flow into the environment.

The aforementioned cavity also has the advantage that after the rapid passage of the open threaded portion, a flash chamber is arranged before the air is discharged into the environment.

Another advantage of the inventive combination of the lifting valve with a venting unit is that by the temporarily and predominantly closed rearmost portion 51 of the blind bore 50 of the venting unit 70 and its arrangement substantially above the upper side 3 of the main pipe 1 a collecting space for in the manifold system located Air, so a so-called air pot was created. In this air pot, the air escaping over time from the heating medium or cooling medium can collect. Among other things, this prevents or at least reduces the accumulation of air at locations at risk of corrosion in the manifold system and / or malfunction of further functional units arranged in the manifold system. Another embodiment of the new combined lift valve according to the invention is shown in FIG. 1b. This embodiment variant of the new lift valve differs from the embodiment described above in that only one annular groove, the first annular groove 36, is arranged in the lateral surface of the upper sleeve section 31 of the main body 30. In this embodiment, the functional operative connection between the longitudinal webs of the inner ring 67 of the locking cap 60 with the longitudinal grooves 46 of the spindle 40 is already made in the first position of the locking cap 60. The locking cap 60 which is at the same time a connecting element for the transmission of a rotational movement to the spindle 40 does not have to be raised in the direction of the arrows P1, see FIG. 2, in order to carry out this function. The surface 38 of the base body 30 is not an n-edge surface in this embodiment. This embodiment variant also has the advantage that the portion of the lift valve 100 projecting beyond the top side 3 of the main pipe 1 can be made shorter. All the features mentioned in the above description and disclosed in the drawings are further components of the invention, even if they are not highlighted and in which Protection claims are mentioned. The invention is not limited to the embodiment shown, but variable within the scope of the disclosure. The claims filed with the application are formulation proposals without prejudice to the achievement of further patent protection disclosed in the application.

Symbols list 1 pipe (main pipe or manifold of a manifold system, manifold)

2 main axis (from pos. 1)

3 top side (from pos. 1)

4 underside (from pos. 1)

5 upper opening (in Pos. 3 of Pos. 1)

6 lower opening (in item 4 of item 1)

7 functional axis (with reference to pos. 5 and pos. 6

as well as pos. 20 and pos. 10)

8, 9 - (free)

10 connecting pieces (arranged in pos. 1 at pos. 4 and

6)

11 longitudinal axis (from pos. 10)

12 fret

13 outer socket (with external thread)

14 inner socket (with external thread, protruding into pos. 1)

15 Through hole (in pos. 10, concentric to pos.

11)

16 inner surface of position 14

17 valve seat, molded at position 16

18, - (free)

19 - (free)

20 valve insert (comprising pos. 30, 40, 60 and 70)

30 main body (from pos. 20, guide sleeve, stepped ring cylinder)

31 upper sleeve section

32 lower sleeve section

33 sliding surface (on inner lateral surface of pos. 32)

34 internal thread (inside inner surface of pos. 31) 35 collar

36 first annular groove

37 second annular groove

38 6-edge surface 40 spindle 41 spindle rod

42 closing body

43 guide disc

44 external thread

45 further area / section

46 longitudinal grooves

47 upper section / section

48 ring groove (in pos. 47)

49 upper end face

50 base hole (in pos. 41)

51 rearmost section of item 50 (with slightly conical inner surface

52 breakthrough

53 conical surface

54 middle section of item 50

55 internal thread

56 Longitudinal axis of the spindle (item 40)

57 Air pot (collecting chamber for air) 60 Locking cap (stepped ring sleeve)

61 lower section

62 middle section

63 upper section

64 latch

65 resilient segment

66 wing-shaped grip element

67 Inner ring with longitudinal webs (operative connection to pos.

46) 70 Deaeration unit

71 bolts

72 locking pins

73 conical surface

74 middle section (from pos. 71)

75 external thread (at pos. 71

76 more section

77 sealing washer

78 outer section (from item 71, with wrench flats)

79 longitudinal axis of item 71

80 borehole 81 sleeve

82 inner surface

83 annular detent web

84 exit tubes

90 second metal part (connection part, L-shaped with external thread)

91 first metal part (clamp, clamp-shaped part) 100 lift valve

110 distributor bar (according to the state of the art)

111 filling and draining tap

112 bleeding unit

113 valves

114 connecting piece

115 Union nut (at a primary opening from pos.

110)

116 end cap (to close the second

primary opening of pos. 110

117 main axis (from pos. 110)

P1 axial direction of movement of the locking cap (from pos. 60)

P2 Rotary movement to open the globe valve (move from pos. 40

P3 Direction of the axial movement of Pos. 40 at

Opening the globe valve

Claims

claims

A lift valve (100) for closing and opening a secondary port (6) of a pipe (1) of a manifold of a heating or cooling system for filling or emptying the heating or cooling system or one or more of its sections comprising (100) Valve insert (20) and a valve seat (17), both concentric with a common functional axis (7) and along this functional axis (7) spaced from each other in or at opposite openings (5, 6) of the tube (1) characterized in that the valve core (20) comprises at least one base (30), a spindle (40) and a locking cap (60) by means of which the spindle (40) is axially moved to close or open the valve, wherein on the valve insert (20) in a region above its connection to the tube (1) a venting unit (70) is arranged.

Lifting valve (100) according to claim 1, characterized in that the venting unit (70) is arranged on the spindle (40).

Lifting valve (100) according to claim 2, characterized in that the venting unit (70) in and / or on a spindle rod (41) of the spindle (40) is arranged on the head side.

Lifting valve (100) according to claim 3, characterized in that the venting unit (70) substantially in a blind bore (50) of the spindle rod (41) is arranged.

Lifting valve (100) according to claim 4, characterized in that the base bore (50) from an end face (49) and concentric with the functional axis (56) of the spindle (40) extends into the spindle rod (41).

A lift valve (100) according to any one of claims 1 to 5, comprising a venting unit (70) comprising a bolt (71) guided and movable in the blind bore (50), the blind bore (50) and the bolt (71) together with each one of its sections form a valve seat (53, 72, 73).

Lifting valve (100) according to one of claims 1 to 6, characterized in that the spindle (40) has at least one feature of the features with the reference numerals 41 to 56.

Lifting valves (100) according to one of claims 1 to 7, characterized in that the locking cap (60) has at least one feature of the features with the reference numerals 61 to 67.

Lifting valves (100) according to one of claims 1 to 8, characterized in that the base body (30) has at least one feature of the features with the reference numerals 31 to 38 and the features with the reference numerals 90 and 91.

Lifting valves (100) according to one of claims 1 to 5 or according to one of claims 7 to 9, characterized in that the venting unit (70) has at least one feature of the features with the reference numerals 71 to 84.