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Instruction, Use and 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

[email protected] - www.bardiani.com

EN-IST-B935-0720

B935 -B935V

Summary of Contents for B935

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

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

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

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

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

Page 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...

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

Page 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...

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

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

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

Page 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...

Page 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...

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

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

Page 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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