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9

General maintenance

EN-IST-B935-0720

9 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.

CAUTION!

Burns hazard. The valves and piping may be very hot. Wear

protective gloves

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Содержание B935

Страница 1: ...nd Maintenance Manual BOTTOM DOUBLE SEAT VALVE 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 B93...

Страница 2: ...2 EN IST B935 0720 MANUAL REVISION DATE...

Страница 3: ...n 15 7 Troubleshooting 16 8 Cleaning 17 9 General maintenance 18 10 Scheduled maintenance 19 11 Tools useful for Disassembly Reassembly 20 12 Mixproof valve B935 double body 21 13 Disassembly of the B...

Страница 4: ...and with no obligation to notify so in writing the data and or information relevant to the use of the valves described in this Instruction Use and Maintenance Manual A constantly updated version of t...

Страница 5: ...ions WARNING Loaded Spring Hazard Pay attention to the loaded spring during disassembly operations MANDATORY SIGNS FOR THE OPERATOR IN CHARGE OF ASSEMBLY DISASSEMBLY Pictogram Description Notes OBLIGA...

Страница 6: ...e operations particularly when dismantling parts SUITABLE CLOTHING Suitable clothing such as overalls It is strictly prohibited to wear clothes with large flapping sleeves and or other loose items whi...

Страница 7: ...ECTION Electrical disconnection from the control unit consult the relative instruction manual PNEUMATIC CONNECTION Connection of the air to the valve PNEUMATIC DISCONNECTION Disconnection of the air f...

Страница 8: ...e manufacturer use the valve where there is a risk of explosion and or fire unless envisaged by the manufacturer if the valves are certified in accordance with Directive 2014 34 EU please refer to the...

Страница 9: ...DM FKM HNBR Temperature applications with air from 10 C to 140 C from 10 C to 200 C from 10 C to130 C Caustic soda 2 60 C 30 C To be checked Nitric Acid 2 60 C 80 C To be checked Saturated steam 125 C...

Страница 10: ...TING Take care as to the type of valve you are handling Based on the size there are two different lifting procedures CAUTION Before lifting the valve make sure there are no disassembled or separate va...

Страница 11: ...G THE STRESS TO WHICH THE VALVE IS SUBJECTED Vibrations Thermal expansion of the piping Excessive welding Overload CAUTION The seal seats may become deformed or cause valve malfunctioning 3 CORRECT DI...

Страница 12: ...BODY ONTO PIPING 1 Insert air couplings in the central connector 2 Remove the body from the rest of the valve before proceeding with welding operations CAUTION Hand crushing hazard During operation th...

Страница 13: ...welding Check before using the valve Supply compressed air in the various A B C inputs one by one Operate the valve several times to make sure it works properly 6 MINIMUM MAINTENANCE CLEARANCES Make s...

Страница 14: ...Installation EN IST B935 0720 9 PREPARING THE VALVE FOR INSTALLATION To move the valve first screw in the eye bolts Once valve installation has been completed remove the eyebolts and put the screws ba...

Страница 15: ...y 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 Bottom lift B Opening C Top lift CAUTION Hand cr...

Страница 16: ...ssive temperature Premature leaks inside the closed valve Aggressive fluids Modify the operating conditions Too many commands active Difficulty opening and closing Incorrect type of elastomer used for...

Страница 17: ...rns hazard The valves and piping may be very hot Wear protective gloves WARNING After installing a new or serviced valve perform an internal washing cycle before using the piping for food liquids If i...

Страница 18: ...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 i...

Страница 19: ...shing hazard caused by the discharge stub pipe Never put hands in the valve openings 3 REPLACEMENT OF WORN VALVE PARTS Always use original spare parts 10Scheduled maintenance SCHEDULED MAINTENANCE VAL...

Страница 20: ...20 11 ToolsusefulforDisassembly Reassembly EN IST B935 0720 11Tools useful for Disassembly Reassembly TOOLS Soft...

Страница 21: ...4 Sealing ring 17 Bush 101 Screw 18 Buffer 106 Bush 19 Sealing ring 108 Sealing ring 24 Air connector 120 Sealing ring 31 Spring 121 Sealing ring 33 Clamp 126 Sealing ring 34 Screw 154 Thickness 35 As...

Страница 22: ...11 12 33 33 33 199 52 126 1 120 50 106 34 70 60 193 2 14 62 121 90 31 154 13 4 83 58 82 53 61 81 35 245 40 85 9 24 101 1 240 271 51 42 108 94 75 74 270 47 45 168 47 55 226 B935V 12 Mixproof valve B93...

Страница 23: ...23 33 1 2 a 285 284 1 13 Disassembly of the B935 EN IST B935 0720 13Disassembly of the B935...

Страница 24: ...24 33 2 b 13 Disassembly of the B935 EN IST B935 0720...

Страница 25: ...25 51 3 4 5 94 51 51 13 Disassembly of the B935 EN IST B935 0720...

Страница 26: ...26 245 271 7 8 75 40 24 74 6 13 Disassembly of the B935 EN IST B935 0720...

Страница 27: ...27 2 50 10 11 12 106 50 70 50 60 50 2 9 a 9 b 13 Disassembly of the B935 EN IST B935 0720...

Страница 28: ...28 45 33 45 55 226 45 47 45 47 45 168 B925V 13 d 14 d 15 d 16 d 17 d 13 Disassembly of the B935 EN IST B935 0720...

Страница 29: ...29 19 21 23 22 2 2 240 2 14 2 62 193 2 270 18 20 2 13 Disassembly of the B935 EN IST B935 0720...

Страница 30: ...30 24 a B935 doppio corpo 199 42 1 33 52 126 52 108 42 25 a 26 a 13 Disassembly of the B935 EN IST B935 0720...

Страница 31: ...31 101 27 85 28 Kg Kg 13 Disassembly of the B935 EN IST B935 0720...

Страница 32: ...32 29 30 31 85 13 Disassembly of the B935 EN IST B935 0720...

Страница 33: ...33 32 33 34 35 36 11 12 4 91 13 Disassembly of the B935 EN IST B935 0720...

Страница 34: ...34 37 38 39 40 41 18 17 18 19 18 16 9 34 13 Disassembly of the B935 EN IST B935 0720...

Страница 35: ...35 42 43 44 45 83 58 82 53 13 Disassembly of the B935 EN IST B935 0720...

Страница 36: ...36 46 47 48 49 61 53 120 35 121 35 81 35 13 Disassembly of the B935 EN IST B935 0720...

Страница 37: ...37 2 1 a b c 10 14 62 94 1 1 1 2 51 85 C H O 2 14 Assembly of the B935 EN IST B935 0720 14Assembly of the B935...

Страница 38: ...38 3 4 5 6 7 10 1 1 2 14 94 51 60 50 70 50 106 50 8 9 2 62 240 2 193 270 14 Assembly of the B935 EN IST B935 0720...

Страница 39: ...39 45 55 226 45 47 45 47 168 1 1 11 d 12 d 13 d 14 d B935V IN OUT OUT IN 14 Assembly of the B935 EN IST B935 0720...

Страница 40: ...40 23 20 22 17 18 21 19 61 53 83 58 35 16 15 81 35 120 35 121 35 53 82 14 Assembly of the B935 EN IST B935 0720...

Страница 41: ...41 24 9 9 34 26 25 27 14 Assembly of the B935 EN IST B935 0720...

Страница 42: ...42 4 32 33 28 29 31 30 91 11 12 14 Assembly of the B935 EN IST B935 0720...

Страница 43: ...43 34 35 36 18 16 18 19 18 17 18 17 38 37 39 14 Assembly of the B935 EN IST B935 0720...

Страница 44: ...44 40 41 101 2 50 42 a 2 50 42 b 14 Assembly of the B935 EN IST B935 0720...

Страница 45: ...45 43 a 43 b 14 Assembly of the B935 EN IST B935 0720...

Страница 46: ...46 75 40 24 74 245 271 45 44 46 14 Assembly of the B935 EN IST B935 0720...

Страница 47: ...47 51 49 47 48 1 1 14 Assembly of the B935 EN IST B935 0720...

Страница 48: ...48 B935 doppio corpo 199 42 1 33 52 126 52 108 42 42 33 199 52 50 a 1 1 1 51 a 52 a 53 a 54 a 1 55 a 14 Assembly of the B935 EN IST B935 0720...

Страница 49: ...49 56 33 285 284 57 14 Assembly of the B935 EN IST B935 0720...

Страница 50: ...r of construction 2016 Reference complies with all relevant provisions of the following EC directives EC 2006 42 MACHINERY and also comply with the following EC Directives and Regulations EU 2014 30 E...

Страница 51: ...51 22 16 2D diagram B935 EN IST B935 0720 20 162D diagram B935...

Страница 52: ...52 22 17 2D diagram B935 double body EN IST B935 0720 20 172D diagram B935 double body...

Страница 53: ...53 22 18 2D diagram B935V EN IST B935 0720 182D diagram B935V...

Страница 54: ...ler or agent or representative or employee or person appointed by Bardiani Valvole S p A is authorized to make any amendments and or integrations and or extensions to this warranty 3 WARRANTY EXCLUSIO...

Страница 55: ...ommends the Buyer to contact their sales team and request any information that might be needed in relation to the specifications and uses of the Products 5 The information provided in this manual refe...

Страница 56: ...56 20 Recommendations EN IST B935 0720 NOTES...

Страница 57: ...57 20 Recommendations EN IST B935 0720 NOTES...

Страница 58: ...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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