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OPERATING AND MAINTENANCE INSTRUCTIONS

By-pass settable pneumatic valve

BBZS5 - BBYS5

GB-IST-BBZS5-0413

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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