GRUNDFOS ALLDOS 525 Manuale utente
15.750045-V3.0
Pressure Loading Valve 525
Operation Manual
Read this manual completely and keep it!
No warranty in case of damages caused by incorrect operation.
Q-Pulse Id: VM25
DHV 525 en
215.750045-V3.0
Imprint
Pressure Loading Valve 525
Operation Manual
Version 3.0
Publisher
ALLDOS Eichler GmbH
Reetzstraße 85 • 76327 Pfinztal (Söllingen)
Postfach 1160 • 76317 Pfinztal
Germany
Tel. +49 72 40 61-0 / Fax. +49 72 40 61-211
Mail: alldos.de@alldos.com
Internet: www.alldos.com
© 2007 by ALLDOS Eichler GmbH
Subject to change.
Q-Pulse Id: VM25
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V3.0 III
Content
Imprint............................................................................................. 2
1 General ........................................................................................... 4
1.1 Introduction ......................................................................................4
1.2 Using this Paper ..............................................................................4
1.3 Warranty ..........................................................................................4
2 Safety Instructions .......................................................................... 4
2.1 Application of the Product ................................................................4
2.2 Obligations of the Operating Authority .............................................4
2.3 Averting Dangers .............................................................................5
3 General description ........................................................................ 5
3.1 Function ...........................................................................................5
3.2 Ambient and Operating Conditions ..................................................5
3.3 Admissible Media ............................................................................5
4 Technical Data ................................................................................ 6
4.1 Pressure Loading Valves DN 4 and DN 8 .......................................6
4.2 Pressure Loading Valves DN 20 .....................................................8
4.3 Pressure Loading Valves DN 32 ...................................................10
4.4 Pressure Loading Valves DN 50 and DN 65 .................................12
5 Installation .................................................................................... 13
5.1 Picture of optimal installation: ........................................................14
5.2 Connections ...................................................................................14
6 Setting of Opening Pressure ........................................................ 15
6.1 General ..........................................................................................15
6.2 Setting Instructions for Opening Pressure .....................................16
7 Possible Faults ............................................................................. 16
8 Maintenance ................................................................................. 17
8.1 Intervals for Cleaning and Maintenance ........................................17
8.2 Replacing the Diaphragm ..............................................................17
9 Spare Parts and Accessories ....................................................... 17
9.1 Adapter for installation directly on the pump .................................17
9.2 Set of counter flanges for Pressure Loading Valves DN 32
and DN 65 .....................................................................................18
9.3 Spare Parts for Pressure Loading Valves .....................................18
Q-Pulse Id: VM25
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1 General
1.1 Introduction
This operation manual contains all the information required for starting up and handling
the described pressure loading valves.
If you require further information or if any problems arise, which are not discussed in
detail in this operation manual, contact ALLDOS directly for the information needed.
1.2 Using this Paper
The headings WARNING,CAUTION and NOTE have the following meaning:
!
Warning
Danger of injuries and accidents!
Caution
Danger of incorrect operation or damage to the product!
Note
There is an exceptional feature.
1.3 Warranty
Warranty in accordance with our general terms of sale and delivery shall only be valid, if:
• the product is used according to the information within this paper,
• the product is not being opened or used improperly,
• maintenance and repair is implemented exclusively by authorized and qualified per-
sonnel,
• original spare parts are used for repairs.
The safety instructions specified in this document must be observed at all times!
2 Safety Instructions
The component has left the factory in a safe error-free state. In order to maintain this state
and ensure safe operation, the user most observe the instructions and warning notes
provided in this technical information.
If safe operation is no longer possible, the component must be shut down and secured
against unintentional operation. This is the case:
• If the component is visibly damaged
• If the component no longer seems operational
• Following long periods of storage under unfavourable conditions
2.1 Application of the Product
The pressure loading valve described here is used to maintain the required
counterpressure for the pump, if insufficient counterpressure is available in the system or
open outflow is specified.
!
Warning
Other applications are not intended and are not permitted. ALLDOS Eichler GmbH
accept no responsibility for damages caused by unintended use.
2.2 Obligations of the Operating Authority
The operating authority of the plant is responsible for
• instructing the operation personnel
• arranging regular maintenance
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V3.0 5
2.3 Averting Dangers
!
Warning
When dosing dangerous media, observe the corresponding safety precautions!
!
Warning
Please observe the chemical resistance of dosing media with regard to materials.
!
Warning
Wear protective gloves and glasses when executing work at the connections or
lines!
!
Warning
Only use the prescribed line types!
Repair only by authorized personnel!
3 General description
3.1 Function
The pressure loading valve keeps the pump's backpressure constant. The valve opens
and the liquid is dosed, if the pressure exceeds the opening pressure adjusted at the
valve.
3.2 Ambient and Operating Conditions
3.3 Admissible Media
Admissible Mediatemperaturer
!
Warning
Pressure loading valves must not be used for abrasive or crystallizing media.
!
Warning
Pressure loading valves are not absolutely tight. When dosing dangerous sub-
stances take appropriate protective measures!
Additional information with regard to the medium, medium temperature and operating
pressure is available on request.
Admissible storage
temperature
20 °C to +50 °C
Admissible ambient
temperature
0 °C to +40 °C
(at an installation height of up to 1000 m above sea level)
Admissible humidity rel. humidity: 70% at 40 °C, 90% at 35 °C
Pressure range
Material until 10 bar
1.4571 -10 °C to 40 °C
PVC 0 °C to 40 °C
PP 0 °C to 40 °C
PVDF -10 °C to 40 °C *
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4 Technical Data
4.1 Pressure Loading Valves DN 4 and DN 8
Order No. Nominal
width
Pressure
release
Valve
body Gasket Hose type Pipe Connection Image
525-0565 4 3 PP Viton PE-SL4/6 G 5/8" 1
525-0565.1 4 3 PP EPDM PE-SL4/6 G 5/8" 1
525-0566.1 4 3 PVDF PTFE RO4/6" G 5/8" 2
525-0567 4
83 PVC Viton PE-SL4/6
PVC-SL6/12 RO10/12" G 5/8" 1
525-0567.1 4
83 PVC EPDM PE-SL4/6
PVC-SL6/12 RO10/12" G 5/8" 1
525-0567.2 4
83 PVC PTFE PE-SL4/6
PVC-SL6/12 RO10/12" G 5/8" 1
525-0570 4 3 1.4571 RO4/6" G 1/4" 5
525-0573 4 3 PP EPDM PE-SL5/8 G 5/8" 1
525-0600 4 3 1.4571 RO4/6" G 1/4" 4
525-0608 4 3 PTFE Viton GL 18" -
525-3173
4
8 3 PP Viton
PE-SL4/6
PE-SL6/9
PE-SL9/12
G 5/8" 1
525-3173.1
4
8 3 PP EPDM
PE-SL4/6
PE-SL6/9
PE-SL9/12
G 5/8" 1
525-3174
4
83 PVC Viton
PE-SL4/6
PE-SL6/9
PE-SL9/12
PVC-SL6/12
RO10/12" G 5/8" 1
525-3174.1
4
8 3 PVC EPDM
PE-SL4/6
PE-SL6/9
PE-SL9/12
RO10/12" G 5/8" 1
525-0563 8 3 PP EPDM PE-SL9/12 G 5/8" 1
525-0568 8 3 PP Viton RO12/16" G 5/8" 3
525-0568.1 8 3 PP EPDM RO12/16" G 5/8" 3
525-0569.1 8 3 PVDF PTFE RO12/16" G 5/8" 3
525-0571 8 3 1.4571 RO1/4" G 1/4" 6
525-1565.1 8 3 PP EPDM PVC-SL6/12 G 5/8" 1
525-3177 8 3 PVDF PTFE PE-SL6/9 G 5/8" 1
Drilling scheme for Images 1-4
Image 1
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Image 2
Image 3
Image 4
Drilling scheme for Images 5 and 6
Image 5
Image 6
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815.750045-V3.0
4.2 Pressure Loading Valves DN 20
Order No. Nominal
width
Pressure
release
Valve
body Gasket L Hose type Pipe Connection Image
525-1113 20 3 PVC Viton 149 PVC-SL13/20 RO20/25 G 11/4" 7
525-1113.01 20 3 PVC Viton 149 PVC-SL19/27 G 11/4" 8
525-1113.1 20 3 PVC EPDM 149 PVC-SL13/20 RO20/25 G 11/4" 7
525-1113.11 20 3 PVC EPDM 149 PVC-SL19/27 G 11/4" 8
525-1113.21 20 3 PVC PTFE 149 PVC-SL19/27 G 11/4" 8
525-1163 20 3 PP Viton 152,5 RO20/25 G 11/4" 7
525-1163.01 20 3 PP Viton 152,5 PVC-SL19/27 G 11/4" 8
525-1163.1 20 3 PP EPDM 152,5 RO20/25 G 11/4" 7
525-1163.11 20 3 PP EPDM 152,5 PVC-SL19/27 G 11/4" 8
525-1183.1 20 3 PVDF PTFE 145,5 RO20/25 G 11/4" 7
525-2133 20 3 1.4571 - G3/4 10
525-4113 20 3 PVC Viton 149 3/4" NPT 9
Drilling scheme
Image 7
B A
Q-Pulse Id: VM25
DHV 525 en Technical Data
V3.0 9
Image 8
Image 9
Image 10
B A
A
B
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4.3 Pressure Loading Valves DN 32
* With insertion section for pipe 32/40 in PP and also in PVDF
Order No. Nominal
width
Pressure
release
Valve
body Gasket L Pipe Connection Image
525-1173 32 3 PP Viton 229 RO32/40" flange DN32 12
525-1173.01 32 3 PP Viton 205 RO32/40" G 2" 13
525-1173.1 32 3 PP EPDM 229 flange DN32 12
525-1173.11 32 3 PP EPDM 205 RO32/40" G 2" 13
525-1223 32 3 PVC Viton 205 RO32/40" G 2" 11
525-1223.1 32 3 PVC EPDM 205 RO32/40" G 2" 11
525-1243 32 3 PVC Viton 229 flange DN32 12
525-1243.1 32 3 PVC EPDM 229 flange DN32 12
525-2233 32 3 1.4571 - G 11/4" 14
525-2243 32 3 1.4571 PVC ? flange DN32/G 11/4" 15
525-2403 32 3 PVDF PTFE 229 RO32/40" flange DN32 12
Drilling scheme
Image 11
BA
Q-Pulse Id: VM25
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