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USE AND MAINTENANCE MANUAL

B935 Double Seat Valves

GB-IST-B935-0413

Содержание B935

Страница 1: ...USE AND MAINTENANCE MANUAL B935 Double Seat Valves GB IST B935 0413...

Страница 2: ...d 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 electro...

Страница 3: ...use authorised personal to install operate and service the valve The personal should know the valve and the instruction manual thoroughly ONLY use the valve for the designed purpose ALWAYS handle hea...

Страница 4: ...UNPACK AND CHECK VALVE DELIVERY A Complete valve B Instruction manual 3 LIFTING OF HEAVY VALVE Use lifting tool if necessary Fix valve to lifting tool 4 HANDLING OF LOOSE VALVE PARTS Avoid falling loo...

Страница 5: ...onnel to install connect the valve Ensure correct air pressure and quality see page 23 Ensure correct electrical supply for Giotto Top see Giotto Top instruction manual 2 DISCONNECT SUPPLIES AFTER USE...

Страница 6: ...to Top Valve Dimension 4 Installation 6 VALVE CONNECTIONS UNIONS Ensure tight connections between valve and piping Remember gaskets and fit correctly Tighten unions firmly and carefully 7 WELDING VALV...

Страница 7: ...UPPLIES AFTER USE Disconnect air supply Disconnect electrical supply for Giotto Top 3 MOVING VALVE PARTS Never stick fingers into valve ports Never touch the shaft of the valve whilst it is working 5...

Страница 8: ...ing Risk of seal damage External leakage Internal leakage with closed valve caused by normal wear External leakage Internal leakage with closed valve occuring earlier than normal wear rate Difficulty...

Страница 9: ...sible Alternatively use protective gloves 3 HANDLING OF CLEANING AGENTS Dose cleaning agents regularly to avoid excessive concentration Always rinse carefully with clean water after cleaning Check com...

Страница 10: ...SK Atmospheric pressure required 4 PRESSURISED VALVE PIPING Always release fluid pressure from valve and piping before disassembling the valve 5 HOT VALVE PIPING Never touch hot valve or piping if pos...

Страница 11: ...gloves if necessary 9 Planned Maintenance 7 REPLACING WORN VALVE PARTS Always use original spare parts See page 12 for spare parts ordering Dispose of worn parts according to current directives Planne...

Страница 12: ...rts Ordering NOTE Please copy this page fill it out and fax it to below address BARDIANI VALVOLES S P A Ufficio Ricambi Fax 3905253408 From Valve type Valve type Shipping instructions Month Year of pu...

Страница 13: ...Supply air to the central air connection 24 Remove the clamp 33 from lower body 1 and the assembly 35 2 B935 double body Removeairfromthecentralairconnec tion 24 and dismount the bodies 42 and 1 Remo...

Страница 14: ...A preload the upper piston 66 Unscrew the nut 77 using a wrench specially made and mach the piston 66 until the complete unloaded of the spring 31 This operation must be carried out with great care by...

Страница 15: ...m the stopper 18 14 Remove the seal rings 4 from the central piston 13 15 Unscrew the socket screw 34 disassemble the part assembly 35 the lower piston 53 the adjusting sleeve 58 from the cylinder 9 1...

Страница 16: ...B935 GB IST B935 0413 16 24 The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice 11 Disassembly of B935...

Страница 17: ...The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice GB IST B935 0413 17 24 11 Disassembly of B935 B935 double body...

Страница 18: ...cylindrical object to push this rings in the cross way Also insert the seal ring 240 and the guide bushing 193 3 Insert the seal rings 60 and 70 and the guide bushing 106 in the sealing ring disc 50 5...

Страница 19: ...sembling so that the tab with BARDIANI symbol was aligned with the air connections 8 Insert the seal rings 16 and 19 and the guide bushing 17 in the stopper 18 9 Insert the seal rings 83 in the adjus...

Страница 20: ...ith an allen wrench the shaft 11 and screw the spring block on it 16 Using a press with a plug specially made for the ope ration A preload the stopper 18 Screw the socket screw 101 in the cylinder 9 T...

Страница 21: ...mbly part 35 and closing everything with the clamp 33 Remove air from the air connection 24 21 B935 double body Insert on the plug 52 the seal ring 126 and assembly it on the lower body 1 closing ever...

Страница 22: ...ston 90 Seal ring 14 Seal ring 91 Seal ring 16 Seal ring 94 Seal ring 17 Guide bushing 101 Bolt 18 Stopper 106 Guide bushing 19 Seal ring 108 Seal ring 24 Lower connection 120 Guide bushing 31 Spring...

Страница 23: ...or Specifications Connectors 1 8 BSP Air pressure from 6 bar 87psi to 8 bar 116psi Material AISI 304L 1 4307 Seal gasket material NBR Power supply Giotto Top See Giotto Top Instruction manual PED Dire...

Страница 24: ...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 ap...