Bardiani BBZS5 Operating And Maintenance Instructions Manual Download Page 22

BARDIANI VALVOLE S.P.A.

 - 

Via G. di Vittorio 50/52 

43045 - FORNOVO TARO - PR - Tel.: +390525400044 - Fax.:+3905253408

(GB-IST-BBZS5-0413) 22/22

BARDIANI VALVOLE reserves the right to modify without notice its products, including products already ordered.

Foreword

This “Instruction, Use and Maintenance Manual” forms an integral part of the valve.

Before proceeding with installation, use or maintenance of each type of valve it is compulsory to read and understand this manual.

Keep this manual for future reference.

When using valves which comply with  ATEX Directive 94/9/EC (ATEX) it is compulsory to read the relative manual.

This “Instruction, Use and Maintenance Manual” has been drawn up expressly for expert technical personnel.  Consequently any information 

which can easily be deducted from reading the text and/or examining the illustrations and/or drawings provided herein shall not be the object 

of further explanation.

It being understood that the essential characteristics of the valve type described herein shall remain the same, the manufacturer reserves 

the right to amend and/or integrate and/or update the data and/or information relative to use of the valve provided in the “Instruction, Use and 

Maintenance Manual”, at any time and without prior notice. 

The latest, updated version of the “Instruction, Use and Maintenance Manual” is always available at www.bardiani.com .

The manufacturer shall not in any way be held liable for any consequences resulting from failure to observe all the prescriptions provided in the 

relative manual concerning installation, use, maintenance and care of the product.

All rights are reserved. It is forbidden, without due written authorization from the manufacturer, to copy totally and/or partially and /or transfer 

and/or record any part of this “Instruction, Use and Maintenance Manual” using any means and/or support, including IT and/or electronic and/

or mechanical and/or paper form or any other means or system for recording and/or reusing the information contained herein for any purposes 

other than for the purchaser’s personal use. 

Warranty

1. VALIDITY

Bardiani Valvole S.p.A. guarantees its own products against any design and/or construction and/or material defects and/or faults for a period of 

12 (twelve) months from the date of delivery.

Notification of any product defects and/or faults must be sent in writing to Bardiani Valvole S.p.A. within 8 (eight) days of coming to light, providing 

adequate documentation of the defect/fault encountered can be provided as evidence.

Any repairs made during the warranty period do not extend said period over the stipulated 12 (twelve) months which remains definite.

2. CONTENTS OF THE WARRANTY

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.

In the event of repair and/or replacement of the product and/or any one of its parts and/or components, any returned item/s shall become the 

property of Bardiani Valvole S.p.A and the relative shipping costs shall be at the expense of Bardiani Valvole S.p.A.

Bardiani Valvole S.p.A., shall be under no obligation to compensate for any immaterial and/or indirect damages and shall in no way be held 

liable for consequential damages and/or losses, such as (by way of example only), damages due to loss of business, contracts, opportunities, 

time, production, profits, goodwill, image etc..

No retailer or distributor or dealer or agent or representative or employee or person appointed by Bardini Valvole S.p.A. is authorized to make 

any amendments and/or integrations and/or extensions to this warranty.

3. EXCLUSIONS FROM THE WARRANTY

All purchaser rights, as established and recognized by law being understood and unaffected, elastomers and electrical components are expressly 

excluded from this warranty.

This warranty does not cover design faults whenever a product is built by Bardiani Valvole S.p.A. based on designs and/or technical specifications 

provided by the purchaser.  

This warranty also does not cover:

- faults and/or defects resulting from incorrect and/or unsuitable and/or improper transport,

- faults and/or defects resulting from installation of the product which fails to observe the indications provided in the “Instruction, Use and 

Maintenance Manual” or in any case caused by incorrect and/or unsuitable and/or improper installation,

- faults and/or defects resulting from use and/or maintenance operations and/or storage of the products which fail to observe the prescriptions 

provided in the “Instruction, Use and Maintenance Manual” or in any case which are incorrect and/or unsuitable and/or improper,

- faults and/or defects ascribable to normal wear and tear of the product and/or its parts and/or its components,

- faults and/or defects in the product and/or its parts and/or its components whenever interventions and/or repairs have been performed by 

persons not authorized by Bardini Valvole S.p.A. and/or who are not suitably qualified,

- faults and/or defects in the product and/or its parts and/or its components ascribable to it being dropped and/or banged and/or dented and/or 

misuse and/or tampering and/or breakage and/or accidents caused by negligence and/or lack of care by the purchaser and in general for any 

causes not ascribable to design and/or manufacturing and/or material defects,

- faults and/or defects in the product and/or its parts and/or its components ascribable to negligence and/or carelessness and/or lack of care 

by the purchaser,

- faults and/or defects in the product and/or its parts and/or its components caused by other events outside the control of Bardiani Valvole S.p.A. 

or determined by force majeure 

or mishap.

Recommendations

1. All the information, indications, statements and technical details provided herein are based on test data which Bardiani Valvole S.p.A. 

holds to be reliable but which cannot be expected to cover every possible use of the product.

2. The illustrations and drawings provided are all indicative and are not binding, consequently they may not fully match the real appearance 

of the products.

3. Being as the conditions of product use and applications cannot be controlled by Bardiani Valvole S.p.A., the purchaser must ascertain 

suitability of the use he intends to make of the product beforehand and assume all risks and liabilities which may result from the 

same.

4.  Customers  are  strongly  advised  to  consult  Bardiani  Valvole  S.p.A.’s  technical-commercial  collaborators  to  request  any  specific 

information concerning the technical characteristics of the products.

5. The information provided in this document refers to standard production Bardiani Valvole S.p.A. products and therefore cannot be 

considered a basic reference for products built to meet specific requirements.

Summary of Contents for BBZS5

Page 1: ...OPERATING AND MAINTENANCE INSTRUCTIONS By pass settable pneumatic valve BBZS5 BBYS5 GB IST BBZS5 0413...

Page 2: ...ays read it carefully before using the valve Always keep it for future reference All rights are reserved It is forbidden to reproduce or transit any part of the instruction manual by any means either...

Page 3: ...instructions ALWAYS read the technical data before installation operation and maintenance ALWAYS use authorised personnel to install operate and service the valve The personal should know the valve a...

Page 4: ...e BBYS5 by pass settable pneumatic valve with steam barrier 3 LIFTING OF WEIGHY VALVES Use lifting tool if necessary Fix the valve to lifting tool 4 HANDLING OF LOOSE VALVE PARTS Avoid falling loose v...

Page 5: ...rection to avoid or minimise water hammer 3 VALVE CONNECTIONS UNIONS Ensure tight connections between valve and piping Remember gaskets and fit correctly Tighten unions firmly and carefully 4 WELDING...

Page 6: ...ation conditions Too many active control Difficult opening and closing Incorrect elastomer type of ga skets Replace with gasket of different elastomer type Incorrect positioning of actuator Assemble a...

Page 7: ...valve or piping if possible Alternatively use protective gloves 3 HANDLING OF CLEANING AGENTS Dose cleaning agents regularly to avoid excessive concentration Always rinse carefully with clean water af...

Page 8: ...ve goggles and gloves if necessary Wash and clean 4 REPLACING WORN VALVE PARTS Always use original pare parts See page 9 for spare parts ordering Planned maintenance Valve gaskets Preventive Replace a...

Page 9: ...TE Please copy this page fill it out and fax it to below address To BARDIANI VALVOLES S P A Ufficio Ricambi Fax 3905253408 From Valve type Serial number Month year of purchase Shipping instructions Qu...

Page 10: ...24 Air Air Air 24 Air 2 Counterhold 9 14 35 34 7 8 6 157 156 120 138 1 33 14 28 24 Air 2 Counterhold 9 35 34 6 P T F E SHUTTER Unscrew shutter nut 28 and remove shutter ring 14 5 Remove shutter ring 1...

Page 11: ...mbly 35 10 Remove seal rings 156 and 157 from cap 50 11 Disassembly of the BBZS5 BBYS5 12 Remove screws M6x10 and guide bushing from the cylinder 17 with a suitable tool Remove seal rings 277 e 276 13...

Page 12: ...er slot 9 Pull out completely the end part by a pointed tool COUNTERHOLD 15 Remove the Snap ring 256 and the pivot 13 11 to cylinder 9 16 Unscrew the nut 209 counterholding the pivot 11 with an allen...

Page 13: ...108 134 Gradually reduce the press force exer cised by the device A on the spring 31 Remove the plate 67 seal rings 87 and spring 31 Remove the lower seeger 256 22 CYLINDER 108 134 Remove from the cyl...

Page 14: ...GB IST BBZS5 0413 14 22 BARDIANI VALVOLE reserves the right to modify without notice its products including products already ordered 11 Disassembly of the BBZS5 BBYS5 BBZS5 cyl 83 P T F E SHUTTER...

Page 15: ...BARDIANI VALVOLE reserves the right to modify without notice its products including products already ordered GB IST BBZS1 0413 15 22 P T F E SHUTTER BBYS5 11 Disassembly of the BBZS5 BBYS5...

Page 16: ...GB IST BBZS5 0413 16 22 BARDIANI VALVOLE reserves the right to modify without notice its products including products already ordered P T F E SHUTTER BBZS5 cyl 108 134 11 Disassembly of the BBZS5 BBYS5...

Page 17: ...screw the nut 209 counterholding the pivot 11 with an allen wrench 4 Assemble the seal ring 87 on the upper piston 67 Insert into the cylinder 9 the spring 31 and the upper piston 87 Assmbly the seal...

Page 18: ...on the cylinder 9 12 Fit assembly 35 to cylinder 9 with screws 34 11 Insert seal rings 276 and 277 on the guide bushing 17 and assembly them on the cylinder 9 10 CYLINDER 108 134 Position the retaini...

Page 19: ...r pivot 9 Lubricate elastomers with a product suitable for food contact 17 Pre heat shutter ring 14 to approx 80 C to make it softer and insert it in shutter slot 2 Insert the ring in a crosswise mann...

Page 20: ...utter 157 Seal ring 4 Seal ring 168 Guide bushing 9 Cylinder 207 Nut 10 Guide bushing 209 Nut 11 Pivot 256 Snap ring 12 Seal ring 274 Seal ring 13 Piston 275 Seal ring 14 Seal ring 16 Snap ring 18 Sto...

Page 21: ...he following limits For fl uids in Group 1 with a DN greater than 25 Valve technical specifications Max working pressure 10 bar 145 psi Min working pressure 0 bar 0 psi vacuum is not recommended in as...

Page 22: ...liable for consequential damages and or losses such as by way of example only damages due to loss of business contracts opportunities time production profits goodwill image etc No retailer or distrib...

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