Bardiani 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-B925-0218
B925 / B925B
B925V / B925A

Instruction, Use and Maintenance Manual
EN-IST-B925-0218
MANUAL REVISION DATE
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Instruction, Use and Maintenance Manual
EN-IST-B925-0218
INDEX
1 Safety,Warning and Mandatory Signs 5
2 General safety warnings 8
3 Technical data 9
4 Checking / Unpacking / Lifting 10
5 Installation 11
6 Operation 14
7 Troubleshooting 15
8 Cleaning 16
9 General maintenance 17
10 Scheduled maintenance 19
11 Tools useful for Disassembly/Reassembly 20
12 Mixproof valve B925 - B925B - B925V - B925A 21
13 Disassembly of the B925 - B925B - B925V - B925A 24
14 Assembly of the B925 - B925B - B925V - B925A 39
15 Mixproof valve B925 - B925B Diverter 54
16 Disassembly of the B925 - B925B Diverter 56
17 Assembly of the B925 - B925B Diverter 69
18 Annexes 85
19 2D diagram B925 86
20 2D diagram B925B 87
21 2D diagram B925 Diverter 88
22 2D diagram B925B Diverter 89
23 2D diagram B925V 90
24 2D diagram B925A 91
25 Warranty 92
26 Recommendations 93
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Instruction, Use and Maintenance Manual
EN-IST-B925-0218
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
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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.
(Translation of the Original Instructions in the italian Language)
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Instruction, Use and Maintenance Manual
EN-IST-B925-0218
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
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
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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Instruction, Use and Maintenance Manual
EN-IST-B925-0218
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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Instruction, Use and Maintenance Manual
EN-IST-B925-0218
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 15254 grease only
2APPLICATION
OF FOODSAFE
GREASE
Use FOODLUBE Multi-paste 15756 grease only
APPLICATION OF
MULTIPURPOSE
GREASE
Use AGIP GREASE MU EP 2 SE 463754 only
THREADLOCK
APPLICATION
Use SPEED BOND M500 threadlock only
OPTIONAL
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Instruction, Use and Maintenance Manual
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2 General safety warnings
Intended use
Bardiani valves have been designed 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

with Directive 2014/34/EU please refer to the ATEX Manual).
BARDIANIVALVOLES.p.A.declinesallliability forinstallation,
use or maintenance which fails to comply with the indications
provided in this manual!
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Instruction, Use and Maintenance Manual
EN-IST-B925-0218
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) -10 to +140°C -10 to +200°C -10 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 is conformed to PED 2014/68/EU directive, with special reference to Annex III, Module A,
concerning internal manufacturing checks as indicated in the Conformity Assessment Procedures.
The DN15--25 valves are included in compliance with Article 4, paragraph 3:
Valves designed for use with gas, liquid gas, gases dissolved under pressure, steam and those liquids
with a vapour pressure at maximum admissible temperature exceeding 0.5 bar at normal atmospheric
pressure (1.013 mbar) within the following limits:
- For group 1 fluids when DN is from 25 to 100.
- For group 2 fluids when DN is 125 and over.
In the event of any doubt, please contact Bardiani Valvole S.p.A.
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Instruction, Use and Maintenance Manual
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Weight between 25 kg and
50 kg Weight over 50 Kg
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.
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
Weight
Kg
15--50 A
65--80 B
100--125 C
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
10
A B C