Bardiani BZAW3 Instruction, Use And Maintenance Manual
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Bardiani BZAW3 Instruction, Use And Maintenance Manual

Mixproof valve
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Instruction, Use and Maintenance Manual
MIXPROOF VALVE
BZAW3
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
EN-IST-BZAW3-0420

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  • Page 1 Instruction, Use and Maintenance Manual MIXPROOF VALVE BZAW3 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 EN-IST-BZAW3-0420...
  • Page 2 MANUAL REVISION DATE EN-IST-BZAW3-0420...

  • Page 3: Table Of Contents

    12 Mixproof Valve BZAW3 13 Disassembly of the BZAW3 14 Assembly of the BZAW3 15 Mixproof Valve BZAW3 Diverter 16 Disassembly of the BZAW3 Diverter 17 Assembly of the BZAW3 Diverter 18 Annexes 19 2D diagram BZAW3 20 2D Diagram BYAW3...
  • Page 4 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) EN-IST-BZAW3-0420...

  • Page 5: Safety,Warning And Mandatory Signs

    Suitable clothing such as overalls. It is strictly SUITABLE CLOTHING prohibited to wear clothes with large flapping sleeves and/or other loose items which could easily get caught up in machine parts. EN-IST-BZAW3-0420...
  • Page 6 Follow the indicated note with care NOTE Follow the regulations in force in the country of used ENVIRONMENTAL governing waste disposal. NOTE Use of a clamp CLAMP Use of a clamp with jaws made from soft material CLAMP WITH SOFT JAWS EN-IST-BZAW3-0420...
  • Page 7 APPLICATION OF FOODSAFE GREASE Use FOODLUBE Multi-paste 15756 grease or similar APPLICATION OF FOODSAFE GREASE Use AGIP GREASE MU EP 2 SE 463754 or similar APPLICATION OF MULTI-PURPOSE GREASE Use SPEED BOND M500 threadlock or similar THREADLOCK APPLICATION OPTIONAL EN-IST-BZAW3-0420...

  • Page 8: General Safety Warnings

    General safety warnings 2 General safety warnings Intended use Bardiani valves are 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;...

  • Page 9: Technical Data

    (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. In the event of any doubt, please contact Bardiani Valvole S.p.A. EN-IST-BZAW3-0420...

  • Page 10: Checking / Unpacking / Lifting

    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.

  • Page 11: Installation

    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.
  • Page 12 (with the control unit installed). BZAW3 Valve dimension A (mm) B (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-BZAW3-0420...

  • Page 13: Operation

    - Check that the valve works correctly and accurately. A = Upward movement of the valve member CAUTION! Hand crushing hazard. During operation there is a risk of crushing inside the valve body in the area between the actuator and the valve body. EN-IST-BZAW3-0420...

  • Page 14: Troubleshooting

    Incorrect positioning of the Install the actuator correctly actuator Difficulty opening and closing Actuator inspection and Impurities in the actuator maintenance Disassemble and correctly Incorrect valve body positioning reposition the valve body EN-IST-BZAW3-0420...

  • Page 15: Cleaning

    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 EN-IST-BZAW3-0420...

  • Page 16: General Maintenance

    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. CAUTION! Burns hazard. The valves and piping may be very hot. Wear protective gloves EN-IST-BZAW3-0420...
  • Page 17 - Always use protective safety glasses and gloves when required. CAUTION! Hand crushing hazard. During operation there is a risk of crushing inside the valve body in the area between the actuator and the valve body. 3. REPLACEMENT OF WORN VALVE PARTS: Always use original spare parts EN-IST-BZAW3-0420...

  • Page 18: Scheduled Maintenance

    Replace at the end of the day Replace in the event of leaks Check correct operation and Check correct operation and that there are no leaks that there are no leaks Periodical Record the actions carried out Record the actions carried out EN-IST-BZAW3-0420...

  • Page 19: Tools Useful For Disassembly/Reassembly

    Tools useful for Disassembly/Reassembly 11 Tools useful for Disassembly/Reassembly ATTREZZI Soft EN-IST-BZAW3-0420...

  • Page 20: Mixproof Valve Bzaw3

    Mixproof Valve BZAW3 12 Mixproof Valve BZAW3 N° DESCRIPTION Lower body Shutter Sealing ring Washer Screw Cylinder Bush Sealing ring Bush Sealing ring Air connector Shutter nut Clamp Screw Assembly Steam Barrier Seal Ring Gasket holder disc Sealing ring Sealing ring...
  • Page 21 Mixproof Valve BZAW3 (BYAW3) (DN125-150) (PTFE) (DN125-150) 8 (DN125-150) (BYAW3) (M8) EN-IST-BZAW3-0420...

  • Page 22: Disassembly Of The Bzaw3

    Disassembly of the BZAW3 13 Disassembly of the BZAW3 EN-IST-BZAW3-0420...
  • Page 23 Disassembly of the BZAW3 (M8) EN-IST-BZAW3-0420...
  • Page 24 Disassembly of the BZAW3 (M8) EN-IST-BZAW3-0420...
  • Page 25 Disassembly of the BZAW3 (BYAW) EN-IST-BZAW3-0420...
  • Page 26 Disassembly of the BZAW3 (PTFE) EN-IST-BZAW3-0420...
  • Page 27 Disassembly of the BZAW3 (BYAW3) EN-IST-BZAW3-0420...
  • Page 28 Disassembly of the BZAW3 8 (DN125-150) EN-IST-BZAW3-0420...
  • Page 29 Disassembly of the BZAW3 (DN125-150) EN-IST-BZAW3-0420...

  • Page 30: Assembly Of The Bzaw3

    Assembly of the BZAW3 14 Assembly of the BZAW3 85°C EN-IST-BZAW3-0420...
  • Page 31 Assembly of the BZAW3 (DN125-150) EN-IST-BZAW3-0420...
  • Page 32 Assembly of the BZAW3 8 (DN125-150) EN-IST-BZAW3-0420...
  • Page 33 Assembly of the BZAW3 (BYAW3) EN-IST-BZAW3-0420...
  • Page 34 Assembly of the BZAW3 (BYAW3) EN-IST-BZAW3-0420...
  • Page 35 Assembly of the BZAW3 (PTFE) EN-IST-BZAW3-0420...
  • Page 36 Assembly of the BZAW3 (M8) EN-IST-BZAW3-0420...
  • Page 37 Assembly of the BZAW3 EN-IST-BZAW3-0420...
  • Page 38 Assembly of the BZAW3 (M8) EN-IST-BZAW3-0420...
  • Page 39 Assembly of the BZAW3 EN-IST-BZAW3-0420...

  • Page 40: Mixproof Valve Bzaw3 Diverter

    Mixproof Valve BZAW3 Diverter 15 Mixproof Valve BZAW3 Diverter DESCRIPTION Lower body Shutter Sealing ring Washer Screw Cylinder Bush Sealing ring Bush Sealing ring Air connector Clamp Screw Assembly Plug Intermediate body Steam Barrier Seal Ring Gasket holder disc Lower shutter...
  • Page 41 Mixproof Valve BZAW3 Diverter (BYAW3) (DN125-150) (DN125-150) 8 (DN125-150) (BYAW3) EN-IST-BZAW3-0420...

  • Page 42: Disassembly Of The Bzaw3 Diverter

    Disassembly of the BZAW3 Diverter 16 Disassembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 43 Disassembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 44 Disassembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 45 Disassembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 46 Disassembly of the BZAW3 Diverter (BYAW3) EN-IST-BZAW3-0420...
  • Page 47 Disassembly of the BZAW3 Diverter 8 (DN125-150) EN-IST-BZAW3-0420...
  • Page 48 Disassembly of the BZAW3 Diverter (DN125-150) EN-IST-BZAW3-0420...

  • Page 49: Assembly Of The Bzaw3 Diverter

    Assembly of the BZAW3 Diverter 17 Assembly of the BZAW3 Diverter 85°C EN-IST-BZAW3-0420...
  • Page 50 Assembly of the BZAW3 Diverter (DN125-150) EN-IST-BZAW3-0420...
  • Page 51 Assembly of the BZAW3 Diverter 8 (DN125-150) EN-IST-BZAW3-0420...
  • Page 52 Assembly of the BZAW3 Diverter (BYAW3) EN-IST-BZAW3-0420...
  • Page 53 Assembly of the BZAW3 Diverter (BYAW3) EN-IST-BZAW3-0420...
  • Page 54 Assembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 55 Assembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 56 Assembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 57 Assembly of the BZAW3 Diverter EN-IST-BZAW3-0420...
  • Page 58 Assembly of the BZAW3 Diverter EN-IST-BZAW3-0420...

  • Page 59: Annexes

    - A3-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) – Italy Declares under its own responsibility that the machine:...

  • Page 60: Diagram Bzaw3

    2D diagram BZAW3 19 2D diagram BZAW3 EN-IST-BZAW3-0420...

  • Page 61: Diagram Byaw3

    2D Diagram BYAW3 20 2D Diagram BYAW3 PTFE EN-IST-BZAW3-0420...

  • Page 62: Diagram Bzaw3 M8

    2D diagram BZAW3 M8 21 2D diagram BZAW3 M8 PTFE EN-IST-BZAW3-0420...

  • Page 63: Diagram Byaw3 M8

    2D diagram BYAW3 M8 22 2D diagram BYAW3 M8 EN-IST-BZAW3-0420...

  • Page 64: Diagram Bzaw3 Diverter

    2D diagram BZAW3 Diverter 23 2D diagram BZAW3 Diverter EN-IST-BZAW3-0420...

  • Page 65: Diagram Byaw3 Diverter Steam Barrier

    2D Diagram BYAW3 Diverter Steam Barrier 24 2D Diagram BYAW3 Diverter Steam Barrier EN-IST-BZAW3-0420...

  • Page 66: Warranty

    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.

  • Page 67: Recommendations

    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.
  • Page 68 Recommendations NOTES EN-IST-BZAW3-0420...
  • Page 69 Recommendations NOTES EN-IST-BZAW3-0420...
  • Page 70 Bardiani Valvole S.p.A. via G. di Vittorio, 50/52 - 43045 Fornovo di Taro (PR) - Italy tel. +39 0525 400044 - fax +39 0525 3408 bardiani@bardiani.com - www.bardiani.com...

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