Alfalaval Unique 7000 Series Manuel utilisateur
TD 470-008
ESE00774ENUS1 2008-10
Unique 7000 Series 6-inch Valve
Instruction Manual
2
Alfa Laval
Company Name
Bjarne Søndergaard
Declaration of Conformity
The designating company
Designation
is in conformity with the following directive:
- Machinery Directive 98/37/EEC
- Pressure Equipment Directive 97/23/EC category 1 and subjected to assessment procedure
Module A.
hereby declare that
Denomination Type Year
Address
Phone No.
Name
Title
Company Signature
Manager, Product Centres,
Compact Heat Exchangers & Fluid Handling
Alfa Laval Kolding
Albuen 31, DK-6000 Kolding, Denmark
+45 79 32 22 00
3
Unique 7000 Series Valve 6-inch 2008
4
The information contained herein is correct at the time of issue but may be subject to change without prior notice.
5
1. Safety ..................................................................................................... 6
1.1 Important information........................................................................ 6
1.2 Warning signs ................................................................................... 6
1.3 Safety precautions ............................................................................ 7
2. Installation ............................................................................................. 8
2.1. Unpacking/Delivery .......................................................................... 8
2.2. General installation........................................................................... 9
2.3. Welding.......................................................................................... 10
3. Operation ............................................................................................. 11
3.1 Operation........................................................................................ 11
3.2 Trouble shooting ............................................................................. 13
3.3 Recommended cleaning ................................................................. 14
4. Maintenance ........................................................................................ 16
4.1 General maintenance ...................................................................... 16
4.2 Dismantling of valve ........................................................................ 18
4.3 Plug seal replacement..................................................................... 18
4.4 Assembly of valve ........................................................................... 18
4.5 Actuator bushing replacement ........................................................ 18
5. Technical data...................................................................................... 19
5.1 Technical data................................................................................. 19
6. Parts List and Service Kits................................................................. 21
6.1 Unique 7000 Series 6-inch Valve..................................................... 21
Table of contents
6
Unsafe practices and other important information are emphasized in this manual.
Warnings are emphasized by means of special signs.
Always read the manual before using the valve!
WARNING!
Indicates that special procedures must be followed to avoid severe personal injury.
CAUTION!
Indicates that special procedures must be followed to avoid damage to the valve.
NOTE!
Indicates important information to simplify or clarify practices.
1.1 Important information
1.2 Warning signs
1. Safety
General warning:
Caustic agents:
7
Installation
- Always read the technical data thoroughly (see chapter 5).
- Always release compressed air after use.
- Never touch the moving parts if the actuator is supplied with compressed air.
- Never touch the valve or the pipelines when processing hot liquids or when sterilizing.
- 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 dismantle the valve when it is hot.
- Always read the technical data thoroughly (see chapter 5).
- Always release compressed air after use.
- Never touch the valve or the pipelines when processing hot liquids or when sterilizing.
- Never touch the moving parts if the actuator is supplied with compressed air.
- Always rinse well with clean water after the cleaning.
Always handle lye and acid with great care.
Maintenance
- Always read the technical data thoroughly (see chapter 5).
- 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 the moving parts if the actuator is supplied with compressed air.
All warnings in the manual are summarized on this page.
Pay special attention to the instructions below so that severe personal injury and/or damage to the valve are avoided.
1. Safety 1.3 Safety precautions
8
TD 470-009
36
22
71
2. Installation
The instruction manual is part of the delivery. Study the instructions carefully.
The items refer to parts list and service kits section.
The valve is assembled before delivery.
Step 1
CAUTION!
Alfa Laval cannot be held responsible for incorrect unpacking.
Check the delivery for:
1. Complete valve, shut off valve.
2. Delivery note.
3. Instruction Manual.
2.1. Unpacking/Delivery
Step 2
Shut-off valve:
Complete actuator.
Clamp (71).
Valve plug (36).
Valve body (22).
9
2. Installation 2.2. General 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.
Step1
- Always read the technical data thoroughly (see chapter 5).
- Always release compressed air after use.
CAUTION!
Alfa Laval cannot be held responsible for incorrect installation.
Risk of damage!
Avoid water
hammer!
Inlet
Step 2
Never touch the moving parts if the actuator is supplied
with compressed air.
Step 3
It is recommended to install the valve so that the flow is
against the closing direction to avoid water hammer.
Step 4
Avoid stressing the valve.
Pay special attention to:
- Vibrations.
- Thermal expansion of the pipelines.
- Excessive welding.
- Overloading of the pipelines.
Air
Air
Moving parts!
TD 470-010
TD 470-011
TD 470-012
10
Step 1
* If ThinkTop is mounted, add 9.8 inch.
Study the instructions carefully.
The valve is supplied as separate parts to facilitate the welding.
The items refer to the parts list and service kits section.
Check the valve for smooth operation after welding.
Step 2
Assemble the valve in accordance with the steps in section 4.4.
Pay special attention to the warnings!
Step 3
Pre-use check:
1. Supply compressed air to the actuator.
2. Open and close the valve several times to ensure that it
operates smoothly.
Pay special attention to the warnings!
2. Installation
2.3. Welding
Open/close!
Air
Air
38.6 inch*
TD 470-013
TD 470-020
TD 470-014
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4
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