2. Instruction, Use and Maintenance Manual EN-IST-B935-0119 MANUAL REVISION DATE 2

55. Instruction, Use and Maintenance Manual EN-IST-B935-0119 NOTES 55

56. Instruction, Use and Maintenance Manual EN-IST-B935-0119 NOTES 56

1. 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 bardiani@bardiani.com - www.bardiani.com EN-IST-B935-0119 B935 -B935V

3. Instruction, Use and Maintenance Manual EN-IST-B935-0119 INDEX 1 Safety,Warning and Mandatory Signs 5 2 General safety warnings 8 3 Technical data 9 4 Checking / Unpacking / Lifting 10 5 Installation 11 6 Operation 14 7 Troubleshooting 15 8 Cleaning 16 9 General maintenance 17 10 Scheduled maintenance 18 11 Tools useful for Disassembly/Reassembly 19 12 Mixproof valve B935-double body 20 13 Disassembly of the B935 22 14 Assembly of the B935 36 15 CE certificate 49 16 2D diagram B935 50 17 2D diagram B935 double body 51 18 2D diagram B935V 52 19 Warranty 53 20 Recommendations 54 3

57. 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

15. Instruction, Use and Maintenance Manual EN-IST-B935-0119 7 Troubleshooting PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION External leak Worn gasket Replace the seal Leaks inside the closed valve caused by normal wear External leak Excessive pressure Replace with a gasket of a different type of elastomer Excessive 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 the gaskets Replace with a gasket of a different type of elastomer Incorrect positioning of the actuator Install the actuator correctly Impurities in the actuator Actuator inspection and maintenance Incorrect valve body positioning Disassemble and correctly reposition the valve body 15

19. Instruction, Use and Maintenance Manual EN-IST-B935-0119 11 Tools useful for Disassembly/Reassembly TOOLS Soft 19

20. Instruction, Use and Maintenance Manual EN-IST-B935-0119 12 Mixproof valve B935-double body NO. DESCRIPTION NO. DESCRIPTION 1 Lower body 75 Air connector 2 Upper shutter 77 Nut 4 Sealing ring 81 Sealing ring 9 Cylinder 82 Sealing ring 11 Pin 83 Sealing ring 12 Sealing ring 85 Secondary spring 13 Central piston 90 Sealing ring 14 Sealing ring 91 Sealing ring 16 Sealing ring 94 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 Assembly 193 Bush 40 Cap 199 Clamp 42 Upper body 240 Sealing ring 45 Steam barrier 245 Guide pin 47 Sealing ring 270 Sealing ring 50 Gasket holder disc 271 Discharge stub pipe 51 Lower shutter 284 Screw 52 Cap 285 Pin protection 53 Lower piston 55 Sealing ring 58 Drive sleeve 60 Sealing ring 61 Sealing ring 62 Sealing ring 66 Upper piston 70 Sealing ring 74 Air connector 20

52. Instruction, Use and Maintenance Manual EN-IST-B935-0119 18 2D diagram B935V 52 22

50. Instruction, Use and Maintenance Manual EN-IST-B935-0119 20 16 2D diagram B935 50 22

51. Instruction, Use and Maintenance Manual EN-IST-B935-0119 20 17 2D diagram B935 double body 51 22

23. Instruction, Use and Maintenance Manual EN-IST-B935-0119 23 33 2 b

30. Instruction, Use and Maintenance Manual EN-IST-B935-0119 30 101 27 85 28

44. Instruction, Use and Maintenance Manual EN-IST-B935-0119 44 43 a 43 b

31. Instruction, Use and Maintenance Manual EN-IST-B935-0119 31 29 30 31 85

48. Instruction, Use and Maintenance Manual EN-IST-B935-0119 48 56 33 285 284 57

46. Instruction, Use and Maintenance Manual EN-IST-B935-0119 46 51 49 47 48 1 1

4. Instruction, Use and Maintenance Manual EN-IST-B935-0119 INTRODUCTION This “Instruction, Use and Maintenance Manual” has been prepared to provide guidance and recommendations to assist qualified skilled technicians in the understanding, running and maintenance orf the Products supplied. It forms an integral part of the Products supplied and must be read prior to any installation, operation and/or maintenance of all types of valves provided. This manual must be saved for future reference and be kept readily available at the unit. With regards to the use of valves compliant with EU Directive 2014/34/UE (ATEX), consultation of a speciic manual is mandatory. The essential characteristics of all types of valves described herein being consistent, the Manufacturer reserves the right to alter and or comple ment and or update at any time and with no obligation to notify so in writing, the data and or i nformation relevant to the use of the valves described in this "Instruction, Use and Maintenance Manu al". A constantly updated version of this "Instruction, Use and Maintenance Manual" is available at the Manufacturer's website www.bardianivalvole.it. Under no circumstance shall the Manufacturer be held liable for consequences resulting from failure and or improper use of the instructions contained in this Manual and relating to the installation, operating, maintenance and storage of the products. All rights reserved. Full or part reproduction, transfer and or recording of a ny part of this "Instruction, Use and Maintenance Manual" by all means, whether it be elect ronic, on hard copy, mechanical or any other means or recording or reuse is strictly prohibite d without the prior written consent of the Manufacturer and for any use other than that of the Buyer. (Translation of the Original Instructions in the italian Language) 4

24. Instruction, Use and Maintenance Manual EN-IST-B935-0119 24 51 3 4 5 94 51 51

25. Instruction, Use and Maintenance Manual EN-IST-B935-0119 25 245 271 7 8 75 40 24 74 6

34. Instruction, Use and Maintenance Manual EN-IST-B935-0119 34 42 43 44 45 83 58 82 53

32. Instruction, Use and Maintenance Manual EN-IST-B935-0119 32 32 33 34 35 36 11 12 4 91

40. Instruction, Use and Maintenance Manual EN-IST-B935-0119 40 24 9 9 34 26 25 27

45. Instruction, Use and Maintenance Manual EN-IST-B935-0119 45 75 40 24 74 245 271 45 44 46

22. Instruction, Use and Maintenance Manual EN-IST-B935-0119 13 Disassembly of the B935 22 33 1 2 a 285 284 1

8. Instruction, Use and Maintenance Manual EN-IST-B935-0119 2 General safety warnings Intended use Bardiani valves have been designed exclusively for moving fluids. Prohibited use The valve must not be used: • for any operations different to those described under t he heading “Intended Use”, • for handling fluids different to the type specified by th e manufacturer and indicated in the valve's technical data; • for moving fluids at different pressures to those env isaged by the manufacturer and indicated in the valve's technical data. Limitations on valve use It is forbidden to: • use the valve in a construction configuration diffe rent to the one envisaged by the manufacturer. • use the valve where there is a risk of explosion an d/or fire, unless envisaged by the manufacturer (if the valves are certified in accordance with Directive 2014/34/EU, please refer to the ATEX Manual)-; • integrate other systems and/or equipment which were n ot considered by the manufacturer during the executive design phase, • use the valve for purposes other than those specific ally envisaged by the manufacturer. WARNING The machine may not he used inside premises where there is a potentially explosive atmosphere or risk of ire unless otherwise stated by the manufacturer (in the case of valves certiied in accordance with Directive 2014/34/EU please refer to the ATEX Manual). BARDIANI VALVOLE S.p.A. declines all liability for installation, use or maintenance which fails to comply with the indications provided in this manual! 8

41. Instruction, Use and Maintenance Manual EN-IST-B935-0119 41 4 32 33 28 29 31 30 91 11 12

9. Instruction, Use and Maintenance Manual EN-IST-B935-0119 3 Technical data VALVE STRUCTURE DATA Maximum pressure PN10 Maximum seal pressure See catalogue Storage temperature from -10°C to 25°C Material in contact with the product AISI 316L (1.4404 ). Check the resistance to corrosion in relation to products and detergents Gasket material in contact with the product EPDM, FKM, HNBR and other gaskets on request. Check compatibility with products and detergents Surface finish in contact with the product Ra 0.8 μm. Other finishes available on request PNEUMATIC ACTUATOR STRUCTURE DATA Connectors 1/8” BSP Pipe dimensions 6 mm external diameter, 4 mm internal dia meter Air pressure from 6 bar (87 psi) to 8 bar (116 psi) Air quality Class 2, 4, 3 ISO8573-1 External material AISI 304L (1.4307) Seals NBR Noise levels 76 dB Electrical supply See Giotto Top GASKET MATERIALS COMPATIBILITY Product EPDM FKM HNBR Temperature (applications with air) -10 to +140°C -10 to +200°C -10 to +130°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 Suitable To be checked Suitable Greases Unsuitable Suitable Suitable Alcohols Suitable Unsuitable Suitable The valve is conform to PED 2014/68/EU directive, wit h special reference to Annex III, Module A, concerning internal manufacturing checks as indicated i n the Conformity Assessment Procedures. The DN15--25 valves are included in compliance with Ar ticle 4, paragraph 3: Valves designed for use with gas, liquid gas, gases dissolv ed under pressure, steam and those liquids with a vapour pressure at maximum admissible temperature exceeding 0.5 bar at normal atmospheric pressure (1.013 mbar) within the following limits: - For group 1 fluids when DN is from 25 to 100. - For group 2 fluids when DN is 125 and over. In the event of any doubt, please contact Bardiani Valv ole S.p.A. 9

35. Instruction, Use and Maintenance Manual EN-IST-B935-0119 35 46 47 48 49 61 53 120 35 121 35 81 35

33. Instruction, Use and Maintenance Manual EN-IST-B935-0119 33 37 38 39 40 41 18 17 18 19 18 16 9 34

43. Instruction, Use and Maintenance Manual EN-IST-B935-0119 43 40 41 101 2 50 42 a 2 50 42 b

12. Instruction, Use and Maintenance Manual EN-IST-B935-0119 4. VALVE CONNECTIONS/CONNECTORS : If the valve is fitted with connectors, you may proce ed with installation. Correctly insert the gaskets and tighten the connectors . 5. WELDING THE VALVE BODY ONTO PIPING : 1. Insert air couplings in the central connector. 2. Remove the body from the rest of the valve before proce eding with welding operations . CAUTION! Hand crushing hazard. During operation there is a crushi ng hazard caused by the washing pin or the guide pin (when present). Weld it care/ try to make a stressless welding to avoi d deformatin on sealing areas. Check the valve for regular operation after welding 12

13. Instruction, Use and Maintenance Manual EN-IST-B935-0119 Only use pulsed arc welding and rememeber no gap between fla nge and tank plate. Tack weld always on the opposite side (8 segments with f iller metal). Weld root if possible without filler metal. Welding of t he final run must be done in 8 segments to avoid crack. Assemble the valve after 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 work s properly. 6. MINIMUM MAINTENANCE CLEARANCES : Make sure there is enough space around the valve for i t to be disassembled (with the control unit installed). DN B935 A (mm) 40 260 50 260 65 260 80 280 100 350 125 400 150 400 CAUTION! Bardiani Valvole S.p.A. declines all liability for any damage to things and/or injuries to persons caused by any failure to cor rectly follow the installation procedures. 13 A A A B C A B C D E F G H

26. Instruction, Use and Maintenance Manual EN-IST-B935-0119 26 2 50 10 11 12 106 50 70 50 60 50 2 9 a 9 b

29. Instruction, Use and Maintenance Manual EN-IST-B935-0119 29 24 a (B935 doppio corpo) 199 42 1 33 52 126 52 108 42 25 a 26 a

54. Instruction, Use and Maintenance Manual EN-IST-B935-0119 20 Recommendations 1. Consultation of the "Instruction, Use and Maintenance Manual” is mandatory prior to the installation, use and maintenance of the products of all Products. Al l the information, indications, specifications, technical details provided herein are based on test data w hich the Manufacturer Bardiani Valvole S.p.A. holds to be reliable nevertheless the above is not deeme d to be assumed as fully exhaustive inasmuch as not every possible use has been envisaged. 2. All the illustrations and drawings provided are to be inte nded as indicative and therefore not binding, the Products illustrations being for presentation purpose s only. 3. It is the Buyer's duty to assess the suitability of t he products for the use he intends to make of the same prior to placing the order as he/she will take the risks and accept liability in case of incorrect choic e and use of the Products. 4. The Manufacturer strongly recommends the Buyer to con tact their sales team and request any information that might be needed in relation to the spec ifications and uses of the Products. 5. The information provided in this manual refers to the standard products manufactured by Bardiani Valvole S.p.A. and therefore cannot be assumed to apply t o customized products as well. 6. Bardiani Valvole S.p.A. reserves the right to amend and/ or integrate and/or update the data and/ or information and/or technical details relative to P roducts at any time and without prior notice. Please visit the website www.bardiani.com , where the latest updated of the "Instruction, Use and Maintenance Manual" can be found". 7. The content and validity of the warranty covering the Products of Bardiani Valvole S.p.A are dealt with in the relevant section in the “Instruction, Use and M aintenance Manual” which constitutes an integral part of the Products themselves. 8. Bardiani Valvole S.p.A., shall not in any way be held l iable for immaterial, indirect and consequential damages, such as (by way of example only), damages or loss of business, contracts, opportunities, time, production, profits, goodwill, image etc.. 54

28. Instruction, Use and Maintenance Manual EN-IST-B935-0119 28 19 21 23 22 2 2 240 2 14 2 62 193 2 270 18 20 2

42. Instruction, Use and Maintenance Manual EN-IST-B935-0119 42 34 35 36 18 16 18 19 18 17 18 17 38 37 39

36. Instruction, Use and Maintenance Manual EN-IST-B935-0119 14 Assembly of the B935 36 2 1 a b c 10 14 62 94 1 1 1 2 51 85°C H O 2

38. Instruction, Use and Maintenance Manual EN-IST-B935-0119 38 45 55 226 45 47 45 47 168 1 1 11 d 12 d 13 d 14 d (B925V)

10. Instruction, Use and Maintenance Manual EN-IST-B935-0119 4 Checking / Unpacking / Lifting 1. CHECK: - Check the valve show no signs of damage caused during transport and that it corresponds with the order; - Check the inside of the valve. 2. UNPACKING: The valve packaging is made up of cardboard, wood and plastic. The valve is mainly made up of metal materials. The ga skets are usually made from elastomers. Disposal must be in compl iance with local legislation. 3. VALVE LIFTING: Take care as to the type of valve you are handling. Ba sed on the size there are two different lifting procedures. CAUTION! Before lifting the valve, make sure there are no disa ssembled or separate valve parts which could fall off causing injur y to persons and damage to the valve. Size DN Weight Kg 40--50 A 65--100 B 125--150 C CAUTION! The figures above are used purely to represent the metho ds and procedures for hoisting the valves. Bardiani Valvole S.p.A. declines all liability for any damage to things and/or injuries to persons caused by improper and/or incorrect hoisting of the valve. Weight between 25 kg and 50 kg Weight over 50 Kg Weight up to 25 kg 10 A B C

17. Instruction, Use and Maintenance Manual EN-IST-B935-0119 9 General maintenance 1. MAINTENANCE PRECAUTIONS Maintenance operations must be carried out by expert tech nicians only. CAUTION! Maintenance operations must be carried out with the li ne stopped and all utilities (electricity, compressed air) disconn ected. CAUTION! Always discharge the fluid pressure in the valve and pipin g before disassembling the valve. CAUTION! Burns hazard. The valves and piping may be very hot. Wear protective gloves 17

27. Instruction, Use and Maintenance Manual EN-IST-B935-0119 27 45 33 45 55 226 45 47 45 47 45 168 (B925V) 13 d 14 d 15 d 16 d 17 d

14. Instruction, Use and Maintenance Manual EN-IST-B935-0119 6 Operation 1. VALVE INSPECTION BEFORE OPERATION: - Supply 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 crushing hazard. During operation there is a crushi ng hazard caused by the discharge stub pipe. 14 A B C

5. Instruction, Use and Maintenance Manual EN-IST-B935-0119 1 Safety,Warning and Mandatory Signs WARNING SIGNS Pictogram Description Notes WARNING General This tells the person in question that the operation described involves (when not performed in accordance with the relative safety regulations) the risk of per sonal injury. WARNING Hand crushing Exercise caution in executing the procedure Hand crushing hazard WARNING Heavy loads Exercise caution in executing the procedure Heavy suspended loads. WARNING Severe burns Heat emission hazard Very hot surface, risk of sever e burns WARNING Risk of explosions Take Care, risk of explosions MANDATORY SIGNS (FOR THE OPERATOR IN CHARGE OF ASSEMBLY/DISASSEMBLY) Pictogram Description Notes OBLIGATION General Special instructions must be followed to avoid injury t o persons. PROTECTIVE GLOVES Safety gloves must be available for handling objects which could cause hand injuries. HARD HAT A hard hat must be worn during machine lifting operations to protect against hazards generated by suspended loads. FOOTWEAR Use safety footwear to protect against the risks of falling objects during operations to transport the machine. SUITABLE CLOTHING Suitable clothing such as overalls. It is strictly prohibited to wear clothes with large flapping sleeves and/or other loose items which could easily get caught up in machine parts. 5

39. Instruction, Use and Maintenance Manual EN-IST-B935-0119 39 23 20 22 17 18 21 19 61 53 83 58 35 16 15 81 35 120 35 121 35 53 82

6. Instruction, Use and Maintenance Manual EN-IST-B935-0119 MANDATORY SIGNS (FOR THE OPERATOR IN CHARGE OF MECHANICAL MAINTENANCE) Pictogram Description Notes OBLIGATION General Special instructions must be followed to avoid injury t o persons. PROTECTIVE GLOVES Protective gloves must be available for handling objects which could cause hand injuries or when there is the possibility of coming into contact with harmful substances.. HARD HAT Hard hats must be available when lifting heavy parts. FOOTWEAR Use safety footwear to protect against injuries caused by falling objects during maintenance 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 which could easily get caught up in machine parts. SAFETY GLASSES Protective glasses must be available when there is the possibility of contact which harmful substances which could cause eye injuries. OPERATING SIGNS Pictogram Description Notes SKILLED PERSONNEL Dismantling/Assembling and maintenance operations must be carried out by expert technicians only. NOTE Follow the indicated note with care ENVIRONMENTAL NOTE Follow the regulations in force in the country of us ed governing waste disposal. CLAMP Use of a clamp CLAMP WITH SOFT JAWS Use of a clamp with jaws made from soft material 6

7. Instruction, Use and Maintenance Manual EN-IST-B935-0119 OPERATING SIGNS Pictogram Description Notes PRESS Use of a press PRESS (release) Use of a press Gradual release of the pressure force ELECTRICAL CONNECTION Electrical connection to the control unit (consult the relative instruction manual). ELECTRICAL DISCONNECTION Electrical disconnection from the control unit (cons ult the relative instruction manual). PNEUMATIC CONNECTION Connection of the air to the valve. PNEUMATIC DISCONNECTION Disconnection of the air from the valve 1 APPLICATION OF FOODSAFE GREASE Use FOODLUBE HI-TEMP 2 15254 grease only 2 APPLICATION OF FOODSAFE GREASE Use FOODLUBE Multi-paste 15756 grease only APPLICATION OF MULTIPURPOSE GREASE Use AGIP GREASE MU EP 2 SE 463754 only THREADLOCK APPLICATION Use SPEED BOND M500 threadlock only OPTIONAL 7

53. Instruction, Use and Maintenance Manual EN-IST-B935-0119 19 Warranty 1. VALIDITY Bardiani Valvole‘s Products are manufactured in complia nce with the technical specifications laid out in their “Instruction, Use and Maintenance Manual” and are fully compliant with the directives specifically mentioned in these manuals. Bardiani Valvole S.p.A. guarantees its own Products agai nst any design and/or construction and/or material defects and/or faults for a period of 12 (twel ve) 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 from their detection, providing adequate docu mentation of the defect/fault encountered as evidence. Services provided in the warranty period shall not resul t in an extension of the warranty beyond the stipulated 12 (twelve)-month period, as this warranty v alidity period is to be considered mandatory. 2. CONTENTS OF THE WARRANTY Notwithstanding and without prejudice to the rights of th e Buyer, which may be acknowledged by applicable law, this warranty it to be intended as limite d, 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 manufact uring and/or material faults. In the event of repair and/or replacement of the Produc t and/or any one of its parts and/or components, any returned item/s shall become the property of Bardian i Valvole S.p.A. and the relative shipping costs shall charged to 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 consequenti al damages and/or losses, such as (by way of example only), damages due to loss of business, contra cts, opportunities, time, production, profits, goodwill, image etc. No retailer or distributor or dealer or agent or represe ntative or employee or person appointed by Bardiani Valvole S.p.A. is authorized to make any amen dments and/or integrations and/or extensions to this warranty. 3. WARRANTY EXCLUSIONS - Elastomers and electrical components are expressly exclu ded from this warranty. - This warranty does not cover design faults emerging when ever a Product is manufactured by Bardiani Valvole S.p.A. based on designs and/or technical specifica tions provided by the Buyer. - Moreover this warranty excludes the following: - faults and/or defects resulting from incorrect and/or u nsuitable and/or inadequate transportation of the Product; - faults and/or defects resulting from failure to comply with the indications laid out in the “Instruction, Use and Maintenance Manual” with regards to installation of the Product or in any event caused by incorrect and/or unsuitable and/or improper installation ; - faults and/or defects resulting from failure to comply with indications laid out in the “Instruction, Use and Maintenance Manual” with regards to use and/or ma intenance operations and/or storage of the Product or in any event caused by incorrect and/ or unsuitable and/or improper use and/or maintenance operations and/or storage; - faults and/or defects due to normal wear and tear of th e Product and/or its parts and/or its components; - faults and/or defects in the Product and/or its parts an d/or its components for work and/or repairs being carried out by unskilled staff or staff that has n ot been authorised by Bardiani Valvole S.p.A.; - faults and/or defects in the Product and/or its parts an d/or its components caused by its being dropped and/or banged and/or dented and/or misused and/or tampering and/ or breakage and/or accidents and/or any other event caused by negligence and/or carele ssness and/or neglect by the Buyer and in general for any causes not ascribable to design and/or ma nufacturing and/or material defects; - faults and/or defects in the Product and/or its parts an d/or its components caused by other events beyond the control of Bardiani Valvole S.p.A., such as force majeure or unforseeable circumstances. 53

37. Instruction, Use and Maintenance Manual EN-IST-B935-0119 37 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

47. Instruction, Use and Maintenance Manual EN-IST-B935-0119 47 (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

18. Instruction, Use and Maintenance Manual EN-IST-B935-0119 2. CLEANING AWAY DEPOSITS: - Thoroughly wash and clean all the valve parts before disassembly ; - Pay attention to any possible detergent or other aggressi ve fluid deposits (see "Cleaning") ; - Always use protective safety glasses and gloves when re quired. CAUTION! Hand crushing hazard. During operation there is a crushi ng 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 10 Scheduled maintenance SCHEDULED MAINTENANCE VALVE GASKETS ACTUATOR GASKETS Preventive Replace after 12 months Replace after 24 mon ths In the event of leaks Replace at the end of the day Repla ce in the event of leaks Periodical Check correct operation and that there are no leaks Check correct operation and that there are no leaks Record the actions carried out Record the actions carri ed out 18

11. Instruction, Use and Maintenance Manual EN-IST-B935-0119 5 Installation 1. ELECTRICAL AND PNEUMATIC ENERGY SUPPLY - Use expert personnel for installation/uninstallation ope rations; - Check that the air pressure and quality are correct (se e "Technical Data"); - Check the power supply to the control unit is correct ( consult the relative instruction manual). A = Bottom lift B = Opening C = Top lift 2. REDUCING 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 DIRECTION OF FLOW : Flow in the opposite direction to valve closure minimi zes water hammer . CAUTION! Hand crushing hazard. During operation there is a crushi ng hazard caused by the discharge stub pipe. CAUTION! Bardiani Valvole S.p.A. declines all liability for any damage to things and/or injuries to persons caused by any failure to correctly follow the installation procedures. 11 A B C

16. Instruction, Use and Maintenance Manual EN-IST-B935-0119 1. VALVE CLEANING WITH DETERGENTS : The system in which the valve is installed must be cl eaned by expert personnel in observance of the following: - Abide by the indicated detergent concentration values ; - Observe the instructions provided by the detergent manufac turer. - Always wear protective safety glasses and gloves. IMPORTANT! - Accurately dose detergents to avoid excessive concentrat ion ; - Always rinse thoroughly with clean water after washi ng. - Check compatibility of valve materials. CAUTION! Burns hazard. The valves and piping may be very hot. Wear protective gloves WARNING After installing a new or serviced valve, perform an i nternal washing cycle before using the piping for food liquids. If it there has been any welding work, passi vation treatment must be carried out. EXAMPLE OF INTERNAL WASHING CYCLE (CIP) Phases Temperature °C Washing product Initial rinse Environment Chlorine- and chloride-free water Washing 70 °C Caustic soda (NaOH) at 1% Intermediate rinse Environment Chlorine- and chloride-fre e water Washing 70 °C Nitric acid (HNO3) at 0.5% End rinse Environment Chlorine- and chloride-free water Recommended washing product velocity = 2m/s Risk of stainless steel corrosion Risk of damage elastomers 8 Cleaning 16

49. Instruction, Use and Maintenance Manual EN-IST-B935-0119 15 CE certiicate BARDIANI VALVOLE S.p.A.. Via G. di Vittorio 50/52 43045 Fornovo di Taro (Pr) GB - EC Declaration of conformity - A3-P-PRG-GB A3-P-PRG-GB Ed. 1. Rev. 0 EC DECLARATION OF CONFORMITY OF THE MACHINERY (EC) 2006/42, Annex. II, p. 1 A BARDIANI VALVOLE S.p.A. Via G. di Vittorio 50/52 – 43045 Fornovo di Taro (P r) – Italy Declares under its own responsibility that the machine: Type: P P N N E E U U M M A A T T I I C C V V A A L L V V E E S S Model: Serial number: Function: Fluid handling Year of construction: 2016 Reference complies with all relevant provisions of the follow ing EC directives: (EC) 2006/42 MACHINERY and also comply with the following EC Directives an d Regulations: (EU) 2014/30 ELECTROMAGNETIC COMPATIBILITY DIRECTIV E (EMC) and the following harmonized standards, rules and / or technical specifications applied: EN ISO 12100:2010 REGULATION (EC) 1935/2004 and subsequent amendments and additions with regard to steel and elastomers in contact with the product REGULATION (EC) 10/2011 and subsequent amendments a nd additions with regard to PTFE in contact with the product Fornovo di Taro 10/10/2016 ______________________________ Emanuela Bardiani Legal representative FACSIMILE 49

21. Instruction, Use and Maintenance Manual EN-IST-B935-0119 21 285 284 19 17 18 16 77 91 66 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)