Alfalaval Unique Valve User manual

2603-0000
ESE01525-EN2 2020-09
Original manual
Instruction Manual
Unique Vacuum Breaker 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. Important Installation Information ............................................................... 10
4. Operation ............................................................................................... 11
4.1. Operation .......................................................................................... 11
4.2. Troubleshooting ................................................................................... 13
4.3. Recommended cleaning ......................................................................... 14
5. Maintenance ........................................................................................... 16
5.1. General maintenance ............................................................................. 16
5.2. Dismantling of Unique Vacuum Breaker Valve ................................................. 17
5.3. Assembly of Unique Vacuum Breaker Valve ................................................... 18
5.4. Dismantling of actuator ........................................................................... 19
5.5. Assembly of actuator ............................................................................. 20
6. Technical data ......................................................................................... 21
6.1. Technical data ..................................................................................... 21
7. Parts list and service kits ............................................................................ 22
7.1. Unique Vacuum Breaker Valve .................................................................. 22
3

1 EC Declaration of Conformity
The designating company
Alfa Laval
Company Name
Albuen 31, DK-6000 Kolding, Denmark
Address
[phone]
Phone No.
hereby declare that
Unique Valve Vacuum Breaker
Denomination Type Year
Was manufactured in conformity with the provisions in the COUNCIL DIRECTIVE on mutual approximation of the laws of the
Member States on the safety of machines (98/37/EC) with special reference to Annex 1 of the directive on essential safety and
health requirements in relation to the construction and manufacture of machines.
Global Product Quality Manager
Pumps, Valves, Fittings and Tank Equipment
Lars Kruse Andersen
Title Name
Alfa Laval Kolding
Company Signature
Designation
4

2 Safety
Unsafe practices and other important information are emphasized in this manual.
Warnings are emphasized 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 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.
2.3 Safety precautions
Installation
Always read the technical data carefully.
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 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 carefully.
Always release compressed air after use.
Never touch the valve or the pipelines when processing hot liquids or when sterilising.
Never touch the moving parts if the actuator is supplied with compressed air.
Always handle lye and acid with great care.
Maintenance
Always read the technical data carefully.
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.
6

3 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 supplied as separate parts as standard.
The valve is assembled before delivery, if it is supplied with fittings.
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.
Step 2
Stop valve:
1. Complete actuator.
2. Ball (20).
3. 2 x clamp (21).
4. Stem (15).
5. Valve body (18).
6. O-ring (16).
7. Base (17).
8. Studt (22).
9. O-ring (23).
TD 474-002
21
22
15
16
18
21
20
23
17
Step 3
Inspect the valve/valve parts for visible transport damages.
Avoid damaging the valve/valve parts.
TD 474-003
Inspection!
7

3 Installation
Study the instructions carefully and pay special attention to the warnings!
3.2 General installation
Step 1
Always read the technical data carefully.
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 the moving parts if the actuator is supplied with
compressed air.
Air
Moving parts!
2603-0001
Step 3
It is necessary to install the valve in the vertical position with the
actuator on top.
Fittings:
Ensure that connections are tight.
Remember seal rings
Inlet
2603-0002
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!
2603-0003
8

3 Installation
Study the instructions carefully and pay special attention to the warnings!
Step 5
Air connections at actuator 1/4" Poly-Flow tubing or equivalent.
Air used only to pulse
valve during CIP
TD 474-003_1
9

3 Installation
Read the instructions carefully and pay special attention to the warnings.
The installation variation below is ONLY A SUGGESTION. It is important that you contact your local regulatory agency
for acceptance of your installation.
3.3 Important Installation Information
Step 1
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!
Air (NO)
Open/close!
TD 474-003
Step 2
NOTE!
When installing C.I.P. drain pipe on the Vacuum Breaker discharge
port, ensure that an atmosphere break exists no lower than the
lowest point of the Vacuum Breaker. Ensure that the Vacuum
Breaker is situated 12" above the highest point of the raw product
pipeline on the pasteurized side.
C.I.P. Drain or atmospheric
port
TD 474-005
Pasteurized
Raw Product
12”minimum
HTST pasteurization system
Step 3
During product process, port acts as an atmospheric break in
case of power loss/failure. During C.I.P, the port acts as a C.I.P.
drain port.
Suggested installation
only
TD 474-006
Atmospheric break
10