Alfalaval Unique RV-P Manuel utilisateur
2405-0001
ESE02801-EN2 2016-10
Original manual
Instruction Manual
Unique RV-P, pneumatic regulating valve
Table of contents
The information herein is correct at the time of issue but may be subject to change without prior notice
1. EC Declaration of Conformity ....................................................................... 4
2. Safety .................................................................................................... 5
2.1. Important information ............................................................................. 5
2.2. Warning signs ..................................................................................... 5
2.3. Safety precautions ................................................................................ 6
3. Installation .............................................................................................. 7
3.1. Unpacking/delivery ............................................................................... 7
3.2. General installation ................................................................................ 8
3.3. Welding ............................................................................................ 10
3.4. Recycling information ............................................................................. 13
4. Operation ............................................................................................... 14
4.1. Operation .......................................................................................... 14
4.2. Troubleshooting ................................................................................... 16
4.3. Recommended cleaning ......................................................................... 16
5. Maintenance ........................................................................................... 18
5.1. General maintenance ............................................................................. 18
5.2. Dismantling the valve ............................................................................. 20
5.3. Plug seal replacement ............................................................................ 22
5.4. Valve assembly .................................................................................... 22
6. Technical data ......................................................................................... 23
6.1. Technical data ..................................................................................... 23
7. Parts list and service kits ............................................................................ 25
7.1. Standard model ................................................................................... 25
7.2. Aseptic model ..................................................................................... 28
3
1 EC Declaration of Conformity
Revision of Declaration of Conformity: 2016-06-01
The Designated Company
Alfa Laval Kolding A/S
Company Name
Albuen 31, DK-6000 Kolding, Denmark
Address
+4579322200
Phone No.
hereby declares that
Valve
Designation
Unique RV-P, Unique RV-P-A
Type
is in conformity with the following directive with amendments:
- Machinery Directive 2006/42/EC
The person authorised to compile the technical file is the signer of this document
Global Product Quality Manager
Pumps, Valves, Fittings and Tank Equipment Lars Kruse Andersen
Title Name
Kolding 2016-10-26
Place Date Signature
4
2 Safety
Unsafe practices and other important information are emphasised in this manual.
Warnings are emphasised by means of special signs.
2.1 Important information
Always read the manual before using the valve!
WARNING
Indicates that special procedures must be followed to avoid serious personal injury.
CAUTION
Indicates that special procedures must be followed to avoid damage to the valve.
NOTE
Indicates important information to simplify or clarify procedures.
2.2 Warning signs
General warning:
Caustic agents:
5
2Safety
All warnings in this manual are summarised on this page.
Pay special attention to this instructions below so that severe personal injury and/or damage to the valve are avoided.
2.3 Safety precautions
Installation:
Always read the technical data thoroughly (see chapter 6 Technical data) !
Always release compressed air after use
Never touch moving parts if the actuator is supplied with compressed air
Never touch the valve or the pipelines when processing hot liquids or when sterilising
Never dismantle the valve with valve and pipelines under pressure
Never dismantle the valve when it is hot
Operation:
Never dismantle the valve with valve and pipelines under pressure !
Never dismantlethevalvewhenitishot
Always read the technical data thoroughly (see chapter 6 Technical data)
Always release compressed air after use
Never touch the valve or the pipelines when processing hot liquids or when sterilising
Never touch moving parts if the actuator is supplied with compressed air
Always rinse well with clean water after cleaning
Always handle lye and acid with great care
Maintenance:
Always read the technical data thoroughly (see chapter 6 Technical data) !
Always release compressed air after use
Never service the valve when it is hot
Never service the valve with valve and pipelines under pressure
Never stick your fingers through the valve ports if the actuator is supplied with compressed air
Never touch moving parts if the actuator is supplied with compressed air
Always useAlfaLavalgenuinespareparts.ThewarrantyofAlfa Laval products is dependent on the use of Alfa
Laval genuine spare parts.
Transportation:
Always ensure that compressed air is released
Always ensure that all connections are disconnected before attempting to remove the valve from the installation
Always drain liquid from valves before transportation
Always use predesigned lifting points if defined
Always ensure sufficient fixing of the valve during transportation - if specially designed packaging material is available,
it must be used
6
3 Installation
This instruction manual is part of the delivery. Study the instructions carefully.
The items refer to the parts list and service kits section.
The valve is assembled before delivery.
3.1 Unpacking/delivery
Step 1
CAUTION
Alfa Laval cannot be held responsible for incorrect unpacking.
Check the delivery for:
1. Complete valve
2. Delivery note
3. Instruction manual
Step 2
Remove possible packing materials from the valve/valve parts.
2405-0002
Step 3
Inspect the valve for visible transport damage.
2405-0003
7
3 Installation
Study the instructions carefully and pay special attention to the warnings!
The valve has welding ends as standard but can also be supplied with fittings.
Step 4
Avoid damaging the air connection, the electrical connection and
the valve ports.
2405-0004
!
!
!
3.2 General installation
Step 1
!
Always read the technical data thoroughly.
See chapter 6 Technical data.
!
Always release compressed air after use.
CAUTION
Alfa Laval cannot be held responsible for incorrect
installation.
Step 2
!
Never touch moving parts if the actuator is supplied with
compressed air.
Moving parts!
2405-0005
!
8
3 Installation
Study the instructions carefully and pay special attention to the warnings!
The valve has welding ends as standard but can also be supplied with fittings.
Step 3
To avoid water hammer, it is recommended to install the valve so
that the flow is against the closing direction.
Shock in the actuator must never occur.
Avoid water hammer!
Outlet
2405-0006
Inlet
Step 4
Avoid stressing the valve.
Pay special attention to:
-Vibrations.
- Thermal expansion of the pipelines.
- Excessive welding.
- Overloading of the pipelines.
Risk of damage!
2405-0007
!
9
3 Installation
Study the instructions carefully.
The items refer to the parts list and service kits section.
Check the valve for smooth operation after welding.
3.3 Welding
Step 1
Always weld the valve body into the system when it is
disassembled fromthevalve.
Maintain the minimum clearance (A) so that the actuator can be
removed.
Valve size A(mm)
38 mm/DN40 100
51 mm/DN50 105
63.5 mm/DN65 130
76 mm/DN80 145
101.6 mm/DN100 180
2405-0008
A
10
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