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18

17

19

16

81

121

35

120

53

82

61

4

13

66

90

91

50

106

70

60

58

83

The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice.

(GB-IST-B925-0910) 29/35

14. Assembly of B925 - B925B divert

12.

  Insert  the  seal  rings  (16  and  19)  and  the 

guide bushing (17) in the stopper (18).

8.

 Insert the seal rings (121 and 81) and the guide 

bushing (120) in the part assembling (35).

9.

 Insert the seal rings (61 and 82) 

in the lower piston (53).

10. 

Insert the seal rings (4) in the   

      central piston (13).                  

11.

 Insert the seal ring (90 and 91) in 

the upper piston (66).

7.

 Insert the seal rings (60 and 70)* and the guide 

bushing (106) in the sealing ring disc (50).

13.

 Insert the seal rings (83) in the adjusting

      sleeve (58).

*Lubricate elastomers with a product suitable for food contact

Summary of Contents for B925

Page 1: ...USE AND MAINTENANCE MANUAL MIXPROOF Valve B925 B925B GB IST B925 0910...

Page 2: ...cians Therefore some information which can easily be inferred by reading the text and examining the illustrations and drawings has not been further specified The publisher is not responsible for any c...

Page 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...

Page 4: ...LVE PARTS Avoid falling loose valve parts Assemble and tighten loose parts 5 PACKING MATERIAL Inspect internal of valve Remove material and dispose of according to current directives 6 INSPECTION CLAI...

Page 5: ...Connections Giotto Top 2 DISCONNECT SUPPLIES AFTER USE Disconnect air supply Disconnect electrical supply for Giotto Top 3 MOVING VALVE PARTS Never stick fingers into valve ports Never touch the shaf...

Page 6: ...ECTIONS UNIONS Ensure tight connections between valve and piping Remember gaskets and fit correctly Tighten unions firmly and carefully 7 WELDING VALVE BODY INTO PIPING Remove inner valve parts Weld b...

Page 7: ...ECT SUPPLIES 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 worki...

Page 8: ...ubleshooting 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 Di...

Page 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...

Page 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...

Page 11: ...gloves if necessary 9 Planned Maintenance Planned maintenance Valve gaskets Actuator gaskets Preventive Replace after 12 months Replace after 24 months In case of leakage Replace at the end of the day...

Page 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...

Page 13: ...he guide bushing 193 and seal ring 78 not present in to B925B and 242 present in to B925B from the lower shutter 51 6 Remove the clamp 199 and the plug 52 from the body 1 Remove the clamp 33 between u...

Page 14: ...lised person 12 Using a press with a plug specially made for the operation A preload the upper piston 66 Unscrew the nut 77 using a wrench specially made and mach the piston 66 until the complete unlo...

Page 15: ...ng 17 from the stopper 18 16 Remove the seal rings 4 from the central piston 13 17 Unscrew the socket screw 34 disassemble the part assembly 35 the lower piston 53 the adjusting sleeve 58 from the cyl...

Page 16: ...B925 GB IST B925 0910 16 35 The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice 11 Disassembly of B925 B925B...

Page 17: ...B925B The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice GB IST B925 0910 17 35 11 Disassembly of B925 B925B...

Page 18: ...Also insert the seal ring 240 present only into the B925B 3 Insert the seal rings 69 and 126 and the guide bushing 64 in the lower plug 52 4 Insert the seal ring 108 in the upper body 42 5 Insert the...

Page 19: ...tral piston 13 12 Insert the lower piston 53 the adjusting sleeve 58 into the part assembling 35 10 Insert the seal rings 16 and 19 and the guide bushing 17 in the stopper 18 9 Insert the seal ring 90...

Page 20: ...ntral piston 13 15 Using a press with a plug specially made for the operation A preload the upper piston 66 Screw the nut 77 using a wrench specially made and mach the piston 66 until the complete unl...

Page 21: ...4 Assemble the cylinder and shutters on the valve body 42 with the clamp 33 23 Close the lower body 1 and the upper body 42 with the clamp 33 21 Supply air to the upper air fitting 75 Screw lower shut...

Page 22: ...99 between the lower body 1 and the plug 52 3 Supply air to the central air fitting 24 Remove the clamp 33 between upper body 42 and part assembing 35 5 Supply air to the upper air fitting 75 Unscrew...

Page 23: ...ring 108 from the upper body 42 Remove the sealing ring 126 and 69 and the guide bushing 64 from the plug 52 12 Using a press with a plug specially made for the opera tion A preload the stopper 18 Un...

Page 24: ...an allen wrench the shaft 11 and unscrew the spring block Also remove the seal ring 12 16 Using a press with a plug specially made for the opera tion A preload the upper piston 66 Unscrew the nut 77 u...

Page 25: ...19 Remove the seal rings 91 and 90 from the upper piston 66 20 Remove the seal rings 4 from the central piston 13 21 Unscrew the socket screw 34 disassemble the part assembly 35 the lower piston 53 t...

Page 26: ...GB IST B925 0910 26 35 The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice 13 Disassembly of B925 B925B divert B925 DIVERT...

Page 27: ...The Company BARDIANI VALVOLE reserves the right to modify its products at any time without prior notice GB IST B925 0910 27 35 13 Disassembly of B925 B925B divert B925B DIVERT...

Page 28: ...in the seat in the upper shutter 2 using a cylindrical object to push this rings in the cross way Also insert the seal ring 240 present only into the B925B 2 Insert the seal ring 63 into the middle sh...

Page 29: ...ng 17 in the stopper 18 8 Insert the seal rings 121 and 81 and the guide bushing 120 in the part assembling 35 9 Insert the seal rings 61 and 82 in the lower piston 53 10 Insert the seal rings 4 in th...

Page 30: ...e air connections 16 Prepare the spring block putting gauge 154 only DN25 40 65 the spring 31 and the upper piston 66 and the nut 77 on the central piston 13 17 Using a press with a plug specially mad...

Page 31: ...the ope ration A preload the stopper 18 Screw the socket screw 101 in the cylinder 9 This operation must be carried out with great care by a specialised person 21 Introduce the sealing ring disc 50 i...

Page 32: ...the right to modify its products at any time without prior notice 14 Assembly of B925 B925B divert 28 Close the lower body 1 and the middle body 92 with the clamp 33 26 Screw the lower shutter 51 in t...

Page 33: ...ng 82 Seal ring 17 Guide bushing 83 Seal ring 18 Stopper 85 Secondary spring 19 Seal ring 90 Seal ring 24 Lower connection 91 Seal ring 31 Spring 92 Middle body 33 Clamp 93 Middle shutter 34 Bolt 94 S...

Page 34: ...tor Specifications Connectors 1 8 BSP Air pressure from 6bar 87psi to 8bar 116psi Material AISI 304L 1 4307 Seal gasket material NBR Power supply Giotto Top See Giotto Top Instruction manual PED Direc...

Page 35: ...related to the materials used in production 1 CONTRACTUAL WARRANTIES AND LIABILITY 1 1BardianiValvoleS p A warrantthattheirproductsarefreefromdefectsindesign materialandworkmanship BardianiValvole S p...

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