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Instruction, Use and Maintenance Manual MIXPROOF VALVE BZAW3 BYAW3 BWAW3 Bardiani Valvole S.p.A. via G. di Vittorio, 50/52 - 43045 Fornovo di Taro (PR) - Italy tel. +39 0525 - Fax 0525 3408 bardiani@bardiani.com - www.bardiani.com (Translation of the Original Instructions)
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20 Warranty 21 Recommendations MANUAL REVISION DATE EN-IST-BZAW3-0123...
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FOREWORD 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.
Safety,Warning and Mandatory Signs 1 Safety,Warning and Mandatory Signs WARNING SIGNS Pictogram Description Notes This tells the person in question that the operation WARNING described involves (when not performed in accordance General with the relative safety regulations) the risk of personal injury.
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Safety,Warning and Mandatory Signs MANDATORY SIGNS (FOR THE OPERATOR IN CHARGE OF MECHANICAL MAINTENANCE AND THE OPERATOR IN CHARGE OF ASSEMBLY/DISASSEMBLY) Pictogram Description Notes Special instructions must be followed to avoid injury to OBLIGATION persons. General Protective gloves must be available for handling PROTECTIVE GLOVES objects which could cause hand injuries or when there is the possibility of coming into contact with harmful...
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Safety,Warning and Mandatory Signs OPERATING SIGNS Pictogram Description Notes Use of a press Gradual release of the pressure force PRESS (release) Electrical connection to the control unit (consult the relative ELECTRICAL instruction manual). CONNECTION Electrical disconnection from the control unit (consult the ELECTRICAL relative instruction manual).
Safety,Warning and Mandatory Signs Operator 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.
General safety Warnings 2 General safety Warnings 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”, •...
- valves with DN125 or bigger with group 2 fluids. The end user is asked to carry out the acoustic emission tests once the valve has been installed in the destination plant. In the event of any doubt, please contact Bardiani Valvole S.p.A. EN-IST-BZAW3-0123...
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.
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The figures above are used purely to represent the methods and procedures for hoisting the valves. Handle the device according to the regulations in force in the country of use. 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.
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.
(with the control unit installed). BZAW3 Valve dimension A (mm) B (mm) C (mm) (DN) 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. EN-IST-BZAW3-0123...
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Installation 7.PREPARING THE VALVE FOR INSTALLATION: To move the valve (dn125-dn150), first screw in the eye bolts. Once valve installation has been completed, remove the eyebolts and put the screws back in. EN-IST-BZAW3-0123...
Operation 6 Operation 1. 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. A = Upward movement of the valve member CAUTION! Hand crushing hazard.
Troubleshooting 7 Troubleshooting PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION External leak Worn gasket Replace the seal Leaks inside the closed valve caused by normal wear Excessive pressure Replace with a gasket of a External leak different type of elastomer Excessive temperature Aggressive fluids Premature leaks inside the Modify the operating conditions...
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Cleaning 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. Risk of - Always wear protective safety glasses and gloves.
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Cleaning 2. INTERMEDIATE CHAMBER CLEANING Close the valve. Clean and sterilize the intermediate chamber and the body of the auxiliary valves. A=Product B=CIP/ Steam inlet C=CIP / Steam outlet Open the valve Clean the valve body and remove any leakage residues from the auxiliary valves.
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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).
Maintenance 10 Maintenance 10.1 General maintenance 1. MAINTENANCE PRECAUTIONS Maintenance operations must be carried out by expert technicians only. CAUTION! Maintenance operations must be carried out with the line stopped and all utilities (electricity, compressed air) disconnected. CAUTION! Always discharge the fluid pressure in the valve and piping before disassembling the valve.
Maintenance 2. CLEANING AWAY DEPOSITS: - Thoroughly wash and clean all the valve parts before disassembly; - Pay attention to any possible detergent or other aggressive fluid deposits (see "Cleaning"); - Always use protective safety glasses and gloves when required. CAUTION! Hand crushing hazard.
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Maintenance [A BZAW3] 10.4 Mixproof Valve BZAW3 N° DESCRIPTION N° DESCRIPTION Lower body Sealing ring Shutter Sealing ring Sealing ring Sealing ring Washer Plate Screw Spring Cylinder Bush Sealing ring Bush Sealing ring Air connector Shutter nut Clamp Screw Assembly Steam Barrier Seal Ring Gasket holder disc...
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Maintenance [BZAW3-DEV] 10.7 Mixproof Valve BZAW3 Diverter DESCRIPTION DESCRIPTION Lower body Sealing ring Shutter Sealing ring Sealing ring Sealing ring Washer Sealing ring Screw Sealing ring Cylinder Bush Sealing ring Bush Sealing ring Air connector Clamp Screw Assembly Plug Intermediate body Steam Barrier Seal Ring Gasket holder disc...
- A5-P-PRG-GB EC DECLARATION OF CONFORMITY OF THE MACHINERY (EC) 2006/42, Annex. II, p. 1 A BARDIANI VALVOLE S.p.A. Via G. di Vittorio 50/52 – 43045 Fornovo di Taro (Pr) – Italia Declares under its own responsibility that the machine:...
Notwithstanding and without prejudice to the rights of the Buyer, which may be acknowledged by applicable law, this warranty it to be intended as limited, at the discretion of Bardiani Valvole S.p.A., to the repair and/or replacement of the Product and/or part of the Product and/or its components which is/are found to be defective due to design and/ or manufacturing and/or material faults.
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Please visit the website www.bardiani.com, where the latest updated of the "Instruction, Use and Maintenance Manual" can be found". The content and validity of the warranty covering the Products of Bardiani Valvole S.p.A are dealt with in the relevant section in the “Instruction, Use and Maintenance Manual” which constitutes an integral part of the Products themselves.
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