Bardiani Valvole B925 Specification sheet

Instruction, Use and Maintenance Manual
MIXPROOF VALVE
Bardiani Valvole S.p.A.
via G. di Vittorio, 50/52 - 43045 Fornovo di Taro (PR) - Italy
tel. +39 0525 - Fax [phone]
[email protected] - www.bardiani.com
EN-IST-B925-0621
B925 / B925B
B925V / B925A
B925 LONG STROKE
DN100
(Translation of the original instructions)

EN-IST-B925-0621
MANUAL REVISION DATE
2

EN-IST-B925-0621
INDEX
1 Safety,Warning and Mandatory Signs 5
1.1 Operator training 8
2 Safety 9
2.1 General safety warnings 9
2.2 Safety Devices: 9
3 Technical data 10
4 Checking / Unpacking / Lifting 11
5 Installation 13
6 Operation 17
7 Troubleshooting 18
8 Cleaning 19
9 Disposal 20
10 Maintenance 21
10.1 General maintenance 21
10.2 Scheduled maintenance 22
10.3 Tools useful for Disassembly/Reassembly 23
10.4 Mixproof valve B925 - B925B - B925V - B925A 24
10.5 Disassembly of the B925 - B925B - B925V - B925A 27
10.6 Assembly of the B925 - B925B - B925V - B925A 43
10.7 Mixproof valve B925 - B925B Diverter 59
10.8 Disassembly of the B925 - B925B Diverter 62
10.9 Assembly of the B925 - B925B Diverter 76
10.10 External Sensor Adjustment 93
11 Annexes 94
12 2D diagram B925 95
13 2D diagram B925B 96
14 2D diagram B925 Diverter 97
15 2D diagram B925B Diverter 98
16 2D diagram B925V 99
17 2D diagram B925A 100
18 Warranty 101
19 Recommendations 102
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EN-IST-B925-0621
INTRODUCTION
This “Instruction, Use and Maintenance Manual” has been prepared to provide guidance and
recommendations to assist qualified skilled technicians in the understanding, running and
maintenance orf the Products supplied.
It forms an integral part of the Products supplied and must be read prior to any installation,
operation and/or maintenance of all types of valves provided.
This manual must be saved for future reference and be kept readily available at the unit.
WithregardstotheuseofvalvescompliantwithEUDirective2014/34/UE(ATEX),consultation
of a specic manual is mandatory.
The essential characteristics of all types of valves described herein being consistent, the
Manufacturer reserves the right to alter and or complement and or update at any time and with
no obligation to notify so in writing, the data and or information relevant to the use of the valves
described in this "Instruction, Use and Maintenance Manual".
A constantly updated version of this "Instruction, Use and Maintenance Manual" is available
at the Manufacturer's website www.bardianivalvole.it.
Under no circumstance shall the Manufacturer be held liable for consequences resulting
from failure and or improper use of the instructions contained in this Manual and relating to
the installation, operating, maintenance and storage of the products.
All rights reserved.
Full or part reproduction, transfer and or recording of any part of this "Instruction, Use and
Maintenance Manual" by all means, whether it be electronic, on hard copy, mechanical or any
other means or recording or reuse is strictly prohibited without the prior written consent of the
Manufacturer and for any use other than that of the Buyer.
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EN-IST-B925-0621
1 Safety,Warning and Mandatory Signs
1 Safety,Warning and Mandatory Signs
WARNING SIGNS
Pictogram Description Notes
WARNING
General
This tells the person in question that the operation
described involves (when not performed in accordance
with the relative safety regulations) the risk of personal
injury.
WARNING
Hand crushing
Exercise caution in executing the procedure
Hand crushing hazard
Never touch the moving parts if the actuator is supplied
with complessed air
WARNING
Heavy loads
Exercise caution in executing the procedure
Heavy suspended loads.
WARNING
Severe burns
Heat emission hazard Very hot surface, risk of severe
burns
WARNING
Risk of explosions
Take Care, risk of explosions
Kg
WARNING
Loaded Spring Hazard
Pay attention to the loaded spring during disassembly
operations
MANDATORY SIGNS (FOR THE OPERATOR IN CHARGE OF ASSEMBLY/DISASSEMBLY)
Pictogram Description Notes
OBLIGATION
General
Special instructions must be followed to avoid injury to
persons.
PROTECTIVE GLOVES Safety gloves must be available for handling objects
which could cause hand injuries.
HARD HAT A hard hat must be worn during machine lifting
operations to protect against hazards generated by
suspended loads.
FOOTWEAR Use safety footwear to protect against the risks of
falling objects during operations to transport the
machine.
SUITABLE CLOTHING Suitable clothing such as overalls. It is strictly
prohibited to wear clothes with large flapping sleeves
and/or other loose items which could easily get caught
up in machine parts.
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EN-IST-B925-0621
1 Safety,Warning and Mandatory Signs
MANDATORY SIGNS (FOR THE OPERATOR IN CHARGE OF MECHANICAL MAINTENANCE)
Pictogram Description Notes
OBLIGATION
General
Special instructions must be followed to avoid injury to
persons.
PROTECTIVE GLOVES Protective gloves must be available for handling
objects which could cause hand injuries or when there
is the possibility of coming into contact with harmful
substances..
HARD HAT Hard hats must be available when lifting heavy parts.
FOOTWEAR Use safety footwear to protect against injuries caused
by falling objects during maintenance operations
(particularly when dismantling parts).
SUITABLE CLOTHING Suitable clothing such as overalls. It is strictly
prohibited to wear clothes with large flapping sleeves
and/or other loose items which could easily get caught
up in machine parts.
SAFETY GLASSES Protective glasses must be available when there is the
possibility of contact which harmful substances which
could cause eye injuries.
OPERATING SIGNS
Pictogram Description Notes
SKILLED
PERSONNEL
Dismantling/Assembling and maintenance operations must be
carried out by expert technicians only.
NOTE Follow the indicated note with care
ENVIRONMENTAL
NOTE
Follow the regulations in force in the country of used
governing waste disposal.
CLAMP Use of a clamp
CLAMP WITH SOFT
JAWS
Use of a clamp with jaws made from soft material
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EN-IST-B925-0621
1 Safety,Warning and Mandatory Signs
OPERATING SIGNS
Pictogram Description Notes
PRESS Use of a press
PRESS
(release)
Use of a press Gradual release of the pressure force
ELECTRICAL
CONNECTION
Electrical connection to the control unit (consult the relative
instruction manual).
ELECTRICAL
DISCONNECTION
Electrical disconnection from the control unit (consult the
relative instruction manual).
PNEUMATIC
CONNECTION
Connection of the air to the valve.
PNEUMATIC
DISCONNECTION
Disconnection of the air from the valve
1APPLICATION OF
FOODSAFE
GREASE
Use FOODLUBE HI-TEMP 2 grease or similar
2APPLICATION
OF FOODSAFE
GREASE
Use FOODLUBE Multi-paste grease or similar
APPLICATION OF
MULTIPURPOSE
GREASE
Use AGIP GREASE MU EP 2 SE or similar
THREADLOCK
APPLICATION
Use SPEED BOND M500 threadlock or similar
1
ASSEMBLY /
DISASSEMBLY
SEQUENCE
Sequence of assembly disassembly operations
OPTIONAL
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EN-IST-B925-0621
1 Safety,Warning and Mandatory Signs
1.1Operator training
All persons who have to work on the valve must be qualified to carry out the relative
maintenance tasks. They must be informed as to the possible hazards involved and must
observe all the safety instructions set out in this manual. Allow expert personnel only to
work on the electrical components.
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EN-IST-B925-0621
2 Safety
2 Safety
2.1General safety warnings
Intended use
Bardiani valves have been exclusively for moving fluids.
Prohibited use
The valve must not be used:
• for any operations different to those described under the heading “Intended Use”,
• for handling fluids different to the type specified by the manufacturer and indicated in the valve's
technical data;
• for moving fluids at different pressures to those envisaged by the manufacturer and indicated in the
valve's technical data.
Limitations on valve use
It is forbidden to:
• use the valve in a construction configuration different to the one envisaged by the manufacturer.
• use the valve where there is a risk of explosion and/or fire, unless envisaged by the manufacturer (if
the valves are certified in accordance with Directive 2014/34/EU, please refer to the ATEX Manual)-;
• integrate other systems and/or equipment which were not considered by the manufacturer during the
executive design phase,
• use the valve for purposes other than those specifically envisaged by the manufacturer.
WARNING
The machine may not he used inside premises where there is a potentially explosive atmosphere or
risk of re unless otherwise stated by the manufacturer (in the case of valves certied in accordance
with Directive 2014/34/EU please refer to the ATEX Manual).
BARDIANI VALVOLE S.p.A. declines all liability
for installation, use or maintenance which fails to comply with
the indications provided in this manual!
2.2Safety Devices:
(see the control unit manual)
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EN-IST-B925-0621
3 Technical data
3 Technical data
VALVE DATA
Maximum pressure PN10
Maximum seal pressure 10 bar (145 psi)
Minimum pressure Vacuum
Storage temperature from -10°C to +25°C
Material in contact with the product AISI 316L (1.4404). Check the resistance to corrosion in relation to products and
detergents
Gasket material in contact with the product EPDM, FKM, HNBR and other gaskets on request. Check compatibility with
products and detergents
Surface finish in contact with the product Ra 0.8 µm. Other finishes available on request
Auxiliary washing circuit (B925B) connections
¼” BSP Male
M14x1.5 Male for Ø8 pipe
½” Clamp
VAPOUR BARRIER DATA
Connectors 1/8” BSP
Steam maximum temperature 130°C (266°F)
Gaskets material FKM
PNEUMATIC ACTUATOR STRUCTURE DATA
Connectors 1/8” BSP
Pipe dimensions 6 mm external diameter, 4 mm internal diameter
Air pressure from 6 bar (87 psi) to 8 bar (116 psi)
Air quality Class 2, 4, 3 ISO8573-1
External material AISI 304L (1.4307)
Seals NBR
Noise levels 76 dB
Electrical supply See Giotto Top
GASKET MATERIALS COMPATIBILITY
Product EPDM FKM HNBR
Temperature (applications with air) from -10°C to 140°C from -10°C to 200°C from -10°C to 130°C
Caustic soda 2% 60°C 30°C To be checked
Nitric Acid 2% 60°C 80°C To be checked
Saturated steam 125°C Suitable To be checked Suitable
Greases Unsuitable Suitable Suitable
Alcohols Suitable Unsuitable Suitable
The valve complies with PED 2014/68/EU directive, with special reference to Annex
III, Module A, concerning internal manufacturing checks as indicated in the Conformity
Assessment Procedures.
Valves with DN equal or smaller than DN25 are not included in compliance with Article 4, paragraph 3.
Valves designed for use with gases, liquefied gases, gases dissolved under pressure, vapours and also those liquids
whose vapour pressure at the maximum allowable temperature is greater than 0,5 bar above normal atmospheric
pressure (1 013 mbar) are included within the following limits:
- valves with DN between DN32 and DN100 (included) with group 1 fluids;
- valves with DN125 or bigger with group 2 fluids.
The end user must carry out noise assessment testing once the valve has been installed in the plant.
In the event of any doubt, please contact Bardiani Valvole S.p.A.
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EN-IST-B925-0621
4 Checking / Unpacking / Lifting
4 Checking / Unpacking / Lifting
1. CHECK:
-Check the valve show no signs of damage caused during transport
and that it corresponds with the order;
-Check the inside of the valve.
2. UNPACKING:
The valve packaging is made up of cardboard, wood and plastic.
The valve is mainly made up of metal materials. The gaskets are
usually made from elastomers. Disposal must be in compliance with
local legislation.
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EN-IST-B925-0621
4 Checking / Unpacking / Lifting
Weight between 25 kg and
50 kg Weight over 50 Kg
CAUTION!
The figures above are used purely to represent the methods and procedures for hoisting the valves.
Bardiani Valvole S.p.A. declines all liability for any damage to things and/or injuries to persons caused by
improper and/or incorrect hoisting of the valve.
Weight up to 25 kg
3. VALVE LIFTING:
Take care as to the type of valve you are handling. Based on the size
there are two different lifting procedures.
CAUTION!
Before lifting the valve, make sure there are no disassembled or
separate valve parts which could fall off causing injury to persons and
damage to the valve.
Size
DN
Lifting method
15--50 A
65--80 B
100--125 C
12
A B C

EN-IST-B925-0621
5 Installation
Valve
Mixproof
Diverter
Valve
Mixproof
5 Installation
1. ELECTRICAL AND PNEUMATIC ENERGY SUPPLY
-Use expert personnel for installation/uninstallation operations;
-Check that the air pressure and quality are correct (see "Technical
Data");
-Check the power supply to the control unit is correct (consult the
relative instruction manual).
1 = Opening
2 = Top lift
3 = Bottom lift
2. REDUCING THE STRESS TO WHICH THE VALVE IS SUBJECTED:
-Vibrations;
-Thermal expansion of the piping;
-Excessive welding;
-Overload.
CAUTION!
The seal seats may become deformed or cause valve malfunctioning.
3. CORRECT DIRECTION OF FLOW:
Flow in the opposite direction to valve closure minimizes water
hammer.
CAUTION!
Bardiani Valvole S.p.A. declines all liability for any damage
to things and/or injuries to persons caused by any failure
to correctly follow the installation procedures.
13
3
1
2

EN-IST-B925-0621
5 Installation
4. VALVE CONNECTIONS/CONNECTORS:
If the valve is fitted with connectors, you may proceed with installation.
Correctly insert the gaskets and tighten the connectors. For hygienic
applications, easy cleanable process connections according to the
EHEDG Position paper are recommended (see www.ehedg.org/
guidelines/).
5. WELDING THE VALVE BODY ONTO PIPING:
1. Insert air couplings in the central connector
2. Remove the body from the rest of the valve before proceeding with
welding operations.
CAUTION!
Hand crushing hazard. During operation there is a crushing hazard
caused by the washing pin or the guide pin (when present).
6. VALVE RIGHT INSTALLATION:
To guarantee its drainability, make sure the valve is in a vertical
position
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EN-IST-B925-0621
5 Installation
7. MINIMUM MAINTENANCE CLEARANCES:
Make sure there is enough room around the valve for it to be
disassembled (with the control unit installed).
DN
15÷40
B925 B925 DIVERTER
A (mm) B (mm) C (mm)
15÷32 350 150 330
40 370 130 350
50 400 165 380
65 420 180 420
80 450 195 450
100 570 235 570
125 670 280 680
150 670 280 680
8. ORIENTATION OF THE DOUBLE BODY:
Pay attention to body orientation. On the double body and the bottom
body (for valves with separate bodies) the UP arrow indicates the
position of the valve actuator.
CAUTION!
Bardiani Valvole S.p.A. declines all liability for any damage to things
and/or injuries to persons caused by any failure to correctly follow the
installation procedures.
15
A
B
C

EN-IST-B925-0621
5 Installation
9.PREPARING THE VALVE FOR INSTALLATION:
To move the valve, first screw in the eye bolts.
Once valve installation has been completed, remove the eyebolts and put the screws back in
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EN-IST-B925-0621
6 Operation
6 Operation
1. EXTERNAL CIP CONNECTION (B925B only)
A = CIP external inlet
A = CIP external outlet
CAUTION!
Hand crushing hazard. During operation there is a crushing hazard
caused by the washing pin or the guide pin (when present).
2. VALVE INSPECTION BEFORE OPERATION:
-Supply air to the actuator;
-Power the valve (via the control unit);
-Open and close the valve several times;
-Check that the valve works correctly and accurately.
1 = Opening
2 = Top lift
3 = Bottom lift
CAUTION!
Hand crushing hazard. During operation there is a crushing hazard
caused by the washing pin or the guide pin (when present).
17
A
B
3
1
2

EN-IST-B925-0621
7 Troubleshooting
7 Troubleshooting
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
External leak
Worn gasket Replace the seal
Leaks inside the closed valve
caused by normal wear
External leak Excessive pressure Replace with a gasket of a
different type of elastomer
Excessive temperature
Premature leaks inside the
closed valve
Aggressive fluids Modify the operating conditions
Too many commands active
Difficulty opening and closing
Incorrect type of elastomer used
for the gaskets
Replace with a gasket of a
different type of elastomer
Incorrect positioning of the
actuator Install the actuator correctly
Impurities in the actuator Actuator inspection and
maintenance
Incorrect valve body positioning Disassemble and correctly
reposition the valve body
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EN-IST-B925-0621
8 Cleaning
Risk of
stainless steel
corrosion
Risk of damage
elastomers
8 Cleaning
1. VALVE CLEANING WITH DETERGENTS:
The system in which the valve is installed must be cleaned by expert
personnel in observance of the following:
-Abide by the indicated detergent concentration values;
-Observe the instructions provided by the detergent manufacturer.
-Always wear protective safety glasses and gloves.
IMPORTANT!
-Accurately dose detergents to avoid excessive concentration;
-Always rinse thoroughly with clean water after washing.
-Check compatibility of valve materials.
CAUTION!
Burns hazard. The valves and piping may be very hot. Wear protective
gloves
WARNING
After installing a new or serviced valve, perform an internal washing
cycle before using the piping for food liquids. If it there has been any
welding work, passivation treatment must be carried out.
EXAMPLE OF INTERNAL WASHING CYCLE (CIP)
Phases Temperature °C Washing product
Initial rinse Environment Chlorine- and chloride-free
water
Washing 70 °C Caustic soda (NaOH) at 1%
Intermediate rinse Environment Chlorine- and chloride-free
water
Washing 70 °C Nitric acid (HNO3) at 0.5%
End rinse Environment Chlorine- and chloride-free
water
Recommended washing product velocity = 2m/s
Recommended number of seat lifts per CIP step:
Milk 1-2
Yoghurt 3-5
Beer 2-5
Cold wort 5-10
Lenght of a seat lift: 1-2 seconds
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EN-IST-B925-0621
9 Disposal
9 Disposal
At the end of its service life, the device must be recycled in accordance with the legislation in force in the
country of valve use.
Any hazardous residues must be taken into consideration and adequately handled.
The valve is made of AISI 316L and AISI 304 stainless steel, elastomers (gaskets), plastic (control unit)
and electrical components (terminal boards, solenoid valves, sensors).
Adhere to the following steps before disconnecting the valve and refer to the heading "General
Maintenance".
-make sure the line on which the valve is installed in is not in use
-empty the line on which the valve is installed and clean if necessary
-disconnect the air supply if it is not required during dismantling
-disconnect the valve from the power supply
-remove the valve from the system
-move the valve in observance of the rules set out in the heading "Lifting"
-to dismantle the valve, refer to the heading "Disassembly"
20