Flowserve GESTRA BB 1 Series Installation And Maintenance Instructions Manual Download Page 1 | Manualshive

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Installation and Maintenance
Instructions 810677-01

Dual-Plate Check Valves BB 1..., BB 2...

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Summary of Contents for GESTRA BB 1 Series

Page 1: ...1 BB 1 BB 2 Installation and Maintenance Instructions 810677 01 Dual Plate Check Valves BB 1 BB 2 ...

Page 2: ...nical data 11 12 Corrosion resistance 12 Sizing 12 Name plate marking 13 Springs 14 BB 1 BB 2 14 BB 1 with dampers BB 2 with dampers 14 Installation note 15 Installation Maintenance BB 1 Changing springs and O rings 17 18 Tools 18 BB 2 Changing springs 19 21 Tools 21 Torques 22 24 Spare parts list 25 26 Spare Parts BB 1 BB 2 16 Commissioning BB 1 BB 2 16 Operation Declaration of Conformity 27 Anne...

Page 3: ...3 Component Parts BB 1 Fig 1 I H B D C A E G J A G I H F J A ...

Page 4: ...4 Component Parts BB 2 Fig 2 F L K L D C J H G H I K G J I B ...

Page 5: ...5 Component Parts BB 1 with dampers Fig 3 I E H M B D C A E G J A G I H F J A ...

Page 6: ...ealing plug with gasket Eyebolt Name plate Body Plate support O ring Semi circular valve plates Spring Spring Hinge pin Hinge pin support Threaded bolt Damper cpl with gasket Key F G H I J K L M A B C D E ...

Page 7: ...7 Pressure Drop Chart Fig 4 ...

Page 8: ...ere burns and scalds to the whole body or severe cases of poisoning Installation and maintenance work should only be carried out when the system is depressurized The valve becomes hot or extremely cold during operation This presents the risk of severe burns to hands and arms Installation and maintenance work should only be carried out at room temperatures Sharp edges on internals present a danger ...

Page 9: ... A C PN 25 100 125 150 800 BB 16 26 A C PN 40 100 125 800 BB 17 A C PN 63 100 125 500 BB 18 A C PN 100 100 125 500 BB 19 A C PN 160 150 300 BB 12 22 M PN 10 150 350 400 600 BB 14 24 M PN 16 150 200 250 600 BB 15 25 M PN 25 150 600 BB 16 26 M PN 40 150 600 CE marking no yes yes yes no Exception pursuant to article 3 3 Fluid group 1 2 1 2 Use BB 12 21 G PN 6 to no yes no yes BB 14 24 G PN 16 BB 12 2...

Page 10: ...ssure is reached the hinge sides of the plates open first thereby eliminating any possibility of the seats scuffing As the pressure and flowrate rise the opening angle increases symmetrically Media entering the valve at an unfavourable angle e g due to pipe bends may cause an asymmetrical opening of the plates If centrifugal pumps are installed upstream of the valve it becomes necessary to arrange...

Page 11: ...erature C 20 100 150 200 250 300 350 400 450 500 550 PN BB 12 C BB 22 C bar 10 10 10 9 6 8 9 7 6 7 1 6 7 6 4 10 BB 14 C BB 24 C bar 16 16 16 15 3 14 2 12 1 11 4 10 7 10 3 16 BB 15 C BB 25 C bar 25 25 25 23 9 22 2 18 9 17 8 16 7 16 1 25 BB 16 C BB 26 C bar 40 40 40 38 2 35 6 30 2 28 4 26 7 25 8 40 Technical Data Explanatory Notes continued When used for its intended purpose When used for its intend...

Page 12: ... 2 12 4 11 9 11 4 11 1 10 8 10 6 10 1 16 BB 15 A BB 25 A bar 25 23 3 21 7 20 6 19 4 18 6 17 9 17 3 16 9 16 6 15 8 25 BB 16 A BB 26 A bar 40 37 3 34 7 32 9 31 1 29 7 28 6 27 7 27 0 26 5 25 2 40 BB 17 A bar 63 58 8 54 6 51 8 49 0 46 8 45 1 43 7 42 6 41 7 39 8 63 BB 18 A bar 100 93 3 86 7 82 2 77 8 74 2 71 6 69 3 67 6 66 2 63 0 100 BB 19 A bar 160 149 3 138 7 131 5 124 5 118 7 114 6 110 9 108 2 105 9...

Page 13: ...atings to EN 19 see valve body Type code BB 1 as specified by EN ISO 26552 Direction of flow For further ratings to EN 19 see valve body Type code BB 2 as specified by EN ISO 26552 Fig 5 Fig 6 2 2002 indicates the manufacturing year 2002 2 2002 indicates the manufacturing year 2002 ...

Page 14: ...ttom 6 Mount and align dual plate check valve BB Insert off the shelf seals top Insert and tighten flange bolts The dual plate check valve BB 1 BB 2 with standard springs may be fitted in horizontal pipework or in vertical pipework with upward flow For downward flow special springs are required For more information refer to our data sheet Dual Plate Check Valve BB Spring 7WA Spring for 7 mbar open...

Page 15: ...15 Installation continued Fig 9 Fig 7 Fig 8 Fig 10 incorrect correct optimum with pump ...

Page 16: ...either increase the capacity of the pump or replace the springs by suitable ones Please observe the installlation notes Do not attach objects to or tread on the damping cylinders of the dual plate check valves BB with dampers Operation BB 1 BB 2 BB 1 BB 2 Commissioning A If the dual plate check valves BB have not been properly positioned in the pipework or are fitted with unsuitable springs the co...

Page 17: ...injuries to hands arms and face GESTRA dual plate check valves BB do not require any special maintenance However in certain cases cf Commissioning it might be necessary to replace the springs or O rings Dual plate check valve BB 1 Undo screws remove springs and withdraw hinge pins Take out springs semicircular plates support plates and if fitted O rings Insert new springs with tension plates and h...

Page 18: ... BB 1 continued Tools Spanner socket A F 17 19 22 24 mm to DIN 3124 Hexagon socket spanner A F 5 6 10 12 mm to ISO 2936 Torque spanner 10 60 Nm 60 120 Nm DIN ISO 6789 Screw in and tighten screws Remove tension plates Install dual plate check valve BB 1 7 5 6 ...

Page 19: ... support plates Remove support plates cover springs and withdraw hinge pins Danger Note that springs are preloaded which means that they can jump out of the plate body when the valve is being installed or removed This presents the risk of injuries to hands arms and face Maintenance continued Replacing springs of the BB 2 2 3 1 4 ...

Page 20: ...d Replacing springs of the BB 2 continued Insert new springs using tension plates Fit hinge pins and support plates Align support plates Remove tension plates Insert semicircular plates with springs and support plates 7 5 6 8 ...

Page 21: ...ols Spanner socket A F 17 19 22 24 mm to DIN 3124 Hinged face spanner A F 2 8 mm for valves with polymer hard rubber lining Torque spanner 10 60 Nm 60 120 Nm DIN ISO 6789 Align semicircular plates Insert and tighten threaded bolts Mount dual plate check valve BB 2 9 10 ...

Page 22: ...0 310 310 630 630 700 1080 1080 1080 1080 1080 800 2240 2240 2240 2240 2240 900 1940 1940 1940 1940 1940 1000 1940 1940 1940 1940 1940 1200 45 45 45 45 45 Maintenance continued Torques Nm A Do not use lubricant for fastening bolts Austenitic steel Item DN mm BB 21 BB 22 BB 24 BB 25 BB 26 150 15 15 15 15 15 200 15 15 15 15 15 250 26 26 26 26 26 300 26 26 26 26 26 350 26 26 26 26 26 400 70 70 70 70 ...

Page 23: ...10 460 460 700 460 460 460 460 460 800 940 940 940 940 940 900 1420 1420 1420 1420 1420 1000 1420 1420 1420 1420 1420 1200 19 19 19 19 19 Maintenance continued Torques Nm A Do not use lubricant for fastening bolts Bronze Item DN mm BB 21 BB 22 BB 24 BB 25 BB 26 150 17 17 17 17 17 200 17 17 17 17 17 250 28 28 28 28 28 300 28 28 28 28 28 350 28 28 28 28 28 400 78 78 78 78 78 L Do not use lubricant f...

Page 24: ...24 BB 25 BB 26 150 7 5 7 5 7 5 7 5 7 5 200 7 5 7 5 7 5 7 5 7 5 250 15 15 15 15 15 300 15 15 15 15 15 350 26 26 26 26 26 400 42 42 42 42 42 L Austenitic steel Body covered with hard rubber lining or LEVASINT L Do not use lubricant for fastening bolts D Bronze Body covered with hard rubber lining or LEVASINT D Do not use lubricant for fastening bolts LEVASINT is a registered trademark of Bayer AG Le...

Page 25: ...0825 038705 344714 037020 182719 122490 182114 344491 344592 175131 344715 343876 183105 Stock code Stock code EPDM 100 125 150 200 250 300 350 400 450 500 600 700 750 800 038982 346778 342711 342713 342523 038718 342569 342585 180962 036007 180210 343603 342120 181939 037847 346777 342598 342710 342522 182574 342565 036002 036003 036987 344939 039663 Spare Parts Spare Parts List FPM 343721 342584...

Page 26: ...7 348598 348600 Stock code Stock code 7 WA 2 WA 100 125 150 200 250 300 350 400 450 500 600 700 750 800 348190 348191 348192 348193 348194 348195 348196 348197 348580 348581 348582 348583 348584 348585 348200 348201 248202 348203 348204 348205 348206 348207 348586 348587 348588 348589 348591 7 WAI 348220 348221 348222 348223 348224 348225 348226 348227 on request on request on request on request o...

Page 27: ...ure for valves up to DN 300 mm Module A1 as described in Annex III Applied conformity assessment procedure for valves larger than DN 300 mm Module H as described in Annex III and verified by the Notified Body 0525 This declaration is no longer valid if modifications are made to the equipment without consultation with us Declaration of Conformity Bremen 16th July 2001 GESTRA GmbH Annex Quality Assu...

Page 28: ...02 oder 306 10 10 Fax 00 48 58 306 10 03 oder 306 33 00 E mail gestra gestra pl Italia Italgestra S r l Via Carducci 125 l 20099 Sesto San Giovanni MI Tel 00 39 02 24 10 12 1 Fax 00 39 02 24 10 12 460 E mail info italgestra it GESTRA ESPAÑOLA S A Luis Cabrera 86 88 E 28002 Madrid Tel 00 34 91 5152 032 Fax 003491 4 136747 5 152 036 E mail gestra gestra es España Flowserve Flow Control S A S 10 Aven...

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