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5 | Installation

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0870231039_LG_LR_-_IM_en

5.2.3 Operating Liquid Connection

G (SSI)

F (OPI)

J (ADV)

Operating liquid inlet (OPI)

Shaft seal flush connection (SSI)

Clean and drain connection

Stuffing box drain plug

Automatic drain valve (ADV)

Casing drain plugs

Connection sizes:

Machine type

LG 0890 A

G2"

G1"

G1½"

G¾"

G1"

G¾"

LG 1200 A

DN 65 PN 10 DN 25 PN 10 G1½"

G¾"

G1"

G¾"

LG 1910 A

DN 80 PN 10 DN 25 PN 10

G2"

G¾"

G1"

G¾"

LG 2680 A

DN 80 PN 10 DN 25 PN 10 G1½"

G¾"

G1"

G¾"

LR 0700 A

DN 50 PN 10 DN 20 PN 10 G1½"

G¾"

G1"

G¾"

LR 1190 A

DN 65 PN 10 DN 25 PN 10 G1½"

G¾"

G1"

G¾"

LR 1560 A

DN 80 PN 10 DN 25 PN 10

G2"

G¾"

G1"

G¾"

LR 2200 A

DN 80 PN 10 DN 25 PN 10 G1½"

G¾"

G1"

G¾"

• Make sure that the operating liquid complies with the requirements, see

5.3 Operating Liquid Settings

The machine cannot operate without an operating liquid system. The actual scope of de-
livery is always contractually agreed upon.

Содержание DOLPHIN LG 0890 A

Страница 1: ...Manual DOLPHIN Liquid Ring Vacuum Pumps LG 0890 A LG 1200 A LG 1910 A LG 2680 A LR 0700 A LR 1190 A LR 1560 A LR 2200 A 0870231039 _en Original instructions Modifications reserved 08 06 2020 Busch GVT...

Страница 2: ...onths 9 5 Installation 10 5 1 Installation Conditions 10 5 2 Connecting Lines Pipes 10 5 2 1 Suction Connection 11 5 2 2 Discharge Connection 11 5 2 3 Operating Liquid Connection 12 5 3 Operating Liqu...

Страница 3: ...signed and manufactured according to state of the art meth ods Nevertheless residual risks may remain This instruction manual highlights potential hazards where appropriate Safety notes and warning me...

Страница 4: ...IN MTB AOUT OPO AOUT AIN SSI OPI AIN IDS AIN Alternative side suction connections AOUT Alternative side discharge connections IDS Integral discharge separator IN Suction connection MTB Motor terminal...

Страница 5: ...perating liquid drain OPI Operating liquid inlet PG Pressure gauge SSC Shaft seal flushing control SSI Shaft seal flushing inlet SV Separator vessel 2 1 Description of Figures 1 4 Figure 1 shows the g...

Страница 6: ...rainage of the liquid should comply with the appropriate environmental regulations WARNING If handling gas that is flammable or toxic Risk of severe injury The drained liquid should be separated twice...

Страница 7: ...ign is written on the nameplate please refer to the ATEX supplement for additional safety information on operation in hazardous zones Conveying of other media leads to an increased thermal and or mech...

Страница 8: ...lings must be capable of lifting the weight of the pump Machine weight see the technical data or the nameplate Use appropriate slings The machine weight is marked on the nameplate Generally the liftin...

Страница 9: ...the shaft to assist Replace the coupling guard taking care to align correctly and ensure that all fasteners are replaced and fully tightened Where shaft seal is gland packing loosen the packing gland...

Страница 10: ...nance work Make sure that the machine is placed or mounted horizontally on a flat surface Make sure that the machine is connected to an operating liquid system see Operating Liquid Connection 12 Make...

Страница 11: ...2 Discharge Connection NOTICE Too high elevation or lack of separation Will cause back pressure and possible drive motor overload The discharge piping on machines without integral separator manifold s...

Страница 12: ...65 PN 10 DN 25 PN 10 G1 G G1 G LG 1910 A DN 80 PN 10 DN 25 PN 10 G2 G G1 G LG 2680 A DN 80 PN 10 DN 25 PN 10 G1 G G1 G LR 0700 A DN 50 PN 10 DN 20 PN 10 G1 G G1 G LR 1190 A DN 65 PN 10 DN 25 PN 10 G1...

Страница 13: ...3 8 1 4 7 7 2 LG 1200 A Speed r min 200 mbar m h 200 400 mbar m h 400 600 mbar m h 600 mbar m h 420 372 330 298 266 23 5 24 1 20 5 21 3 18 5 18 9 16 5 17 1 14 5 15 3 20 5 23 5 18 2 20 5 16 1 18 5 14...

Страница 14: ...200 mbar m h 200 400 mbar m h 400 600 mbar m h 600 mbar m h 398 372 330 298 266 236 30 8 31 7 28 7 29 6 25 4 26 3 22 9 23 7 20 4 21 2 17 9 18 7 26 6 30 8 24 9 28 7 22 0 25 4 19 9 22 5 17 7 21 2 15 8...

Страница 15: ...stainless steel material offer higher levels of corrosion resistance and can be used for operation outside of the above limits Chemical compat ibility should always be checked by competent personnel b...

Страница 16: ...k advice from Busch Connect the protective earth conductor Electrically connect the motor NOTICE The motor frequency is too low Loss of efficiency not enough power to create the sealing liquid ring Th...

Страница 17: ...ach temperatures of more than 70 C Risk of burns Avoid contact with the machine during and directly after operation NOTICE The machine is running without operating liquid system Will ruin the machine...

Страница 18: ...the gland plate so that the liquid leakage along the shaft from the packing is 45 to 60 drips per minute 6 1 Preventing Cavitation NOTICE Cavitation Risk of damage to the machine If you hear crackling...

Страница 19: ...dered as starting values which should be shortened or extended as appropriate Particularly harsh applications or heavy duty oper ation such as high dust loads in the environment or in the process gas...

Страница 20: ...recommended that any dismantling of the machine that goes beyond any thing that is described in this manual should be done through Busch In case of the machine having conveyed gas that was contaminat...

Страница 21: ...7mm O rings 0993 700 534 Service kit for LG 1200 A LR 1190 A Intended for standard applications 1 x V 170S V ring 2 x V 190S V rings 2 x 28mm ball valves 2 x flexible valve plates 2 x 218mm x 5 3mm O...

Страница 22: ...fective Replace the motor Water level too high inside when starting Start with the water level specified Packing gland too tight Loosen the gland ad equately Belt too tight Loosen the belt ad equately...

Страница 23: ...eal leaks Repair the machine con tact Busch Partial clogging in the suc tion discharge or pressure line Remove the blockage If an inlet screen is installed it can be partially clogged Clean the inlet...

Страница 24: ...e piping is too thin Use thicker piping The machine runs too hot Insufficient air ventilation Make sure that the cool ing of the machine is not impeded by dust dirt Clean the fan cowling the fan the v...

Страница 25: ...870231039_LG_LR_ _IM_en 25 32 Vibration is high Loose contact between the baseplate and the founda tion or the anchor bolts are loose Fill the space with con crete tighten the anchor bolts Alignment f...

Страница 26: ...ll stainless steel kg 3880 4150 5760 6165 Dimensions bare shaft machine L x W x H mm 2370 x 1330 x 1865 2500 x 1550 x 2160 LG 1910 A LG 2680 A Nominal pumping speed range m h 11550 19100 16160 26800 U...

Страница 27: ...ll stainless steel kg 3750 4050 5390 5770 Dimensions bare shaft machine L x W x H mm 2020 x 1350 x 1865 2258 x 1550 x 2160 LR 1560 A LR 2200 A Nominal pumping speed range m h 9500 15600 14100 22000 Ul...

Страница 28: ...HS 2011 65 EU Commission Delegated Directive EU 2015 863 restriction of the use of certain haz ardous substances in electrical and electronic equipment and the following standards Standard Title of th...

Страница 29: ...Note...

Страница 30: ...Note...

Страница 31: ...Note...

Страница 32: ...ch it Japan info busch co jp Korea busch busch co kr Malaysia busch busch com my Mexico info busch com mx Netherlands info busch nl New Zealand sales busch co nz Norway post busch no Peru info busch c...

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