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LIQUI-MOVER

®

PUMP

LMHT-500 SERIES

HANDBOOK

Kadant Johnson Inc., 805 Wood Street, Three Rivers, MI 49093 USA 269-278-1715 fax: 269-279-5980 www.kadant.com

LMHT-500 Handbook-4002

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Содержание LIQUI-MOVER LMHT-500 SERIES

Страница 1: ...LIQUI MOVER PUMP LMHT 500 SERIES HANDBOOK Kadant Johnson Inc 805 Wood Street Three Rivers MI 49093 USA 269 278 1715 fax 269 279 5980 www kadant com LMHT 500 Handbook 4002 ...

Страница 2: ...p Works it is best to view it as three distinct stages These stages are described below Float Activated Level Control STAGE ONE In the fill cycle fluid flows from the receiv ing chamber A through the inlet check valve B into the pumping chamber C and raises the float D The vent port E is open to equalize pressure between the receiving chamber and pumping chamber STAGE TWO When the float reaches it...

Страница 3: ...ccumulator Refer to the Johnson assembly drawing that accompanies this product for typical piping diagrams The inlet baffle if supplied must be installed into the pump tank prior to installing the inlet check valve The motive gas normally steam or compressed air is piped to the float assembly 1 2 npt connection through a strainer and a pressure reducing valve The equalization vent connection on to...

Страница 4: ...ld be installed downstream of the PRV to prevent over pressurization of the motive medium The safety relief valve should be sized by a safety relief valve manu facturer or representative 3 When steam is the motive pressure a drip trap dirt leg and strainer should be installed ahead of the PRV The drip trap should not be piped to the Liqui Mover pump When compressed air is the motive pressure a liq...

Страница 5: ...Motive Compressed Air Supply Filter w Auto Drain Regulator w Gage Safety Relief Valve When Needed 1 This is the recommended piping for a Liqui Mover pump with compressed motive 2 The air should be clean dry and regulated so that the Liqui Mover pump discharges in the recommended time 3 The above parts furnished by customer ...

Страница 6: ...Printed on 4 8 2014 at 8 37 28 AM Property of Kadant Johnson Confidential ...

Страница 7: ...alve should be fully open If a PRV is not used the globe valve should be opened slightly After the system is operating this valve should be adjusted so the pump time is slightly less than the fill time 6 When the pumping chamber is full the level control will automatically close the vent valve and open the high pressure motive valve allowing motive to enter the pumping chamber and con densate to f...

Страница 8: ...Printed on 8 28 2009 at 9 23 27 AM Property of Kadant Johnson Confidential ...

Страница 9: ......

Страница 10: ...T NUMBER MATERIAL REMARKS 4 1 Linkage Yoke SA1005 1 Stn Stl 5 2 Spring SA1007 2 Stn Stl 6 4 Spring End SA1009 1 Stn Stl 7 2 Follower Link SA1010 Stn Stl 8 2 Snap E Ring CSF230 0031 02 Stn Stl 9 1 Follower Rod SA1012 Stn Stl 10 2 Pivot Pin SA1013 Stn Stl 11 1 Actuating Rod SA515 Stn Stl 12 1 Washer SA517 Stn Stl 13 1 Vent Valve Assembly SA533 Stn Stl 14 1 Inlet Valve Assembly SA532 Stn Stl 1 O Ring...

Страница 11: ...ew installation receiver pressure may be greater than anticipated Back pressure may be less than anticipated A 2 Way control valve may be required in discharge line 2 Liqui Mover pump fills too slow 1 No liquid level in receiver Load to unit not as great as anticipated No action required 2 Receiver flooding Obstruction or restriction in fill line Inspect fill line for partially closed valve or def...

Страница 12: ...rapidly 1 Water hammer in discharge line Motive pressure too high Throttle flow control valve or install pressure reducing valve See start up procedure 2 Receiver flooding rise in receiver pressure during discharge Defective check valve in fill line Discharging condensate back into receiver Inspect fill line check valve Refer to Assembly and Parts List Drawing 6 Liqui Mover pump discharge cycle to...

Страница 13: ... supply pressure closed valve or obstruction in motive supply line Inspect strainer 4 Inlet Valve noisy Condensate in motive supply line Inspect motive supply line for condensate Check drip trap Refer to Assembly and Parts List Drawing 5 Receiver pressure increase during discharge Valve assembly out of adjustment Motive pressure leakage into receiver defective Fill Check Valve Refer to Float Mecha...

Страница 14: ...emble and pull clean cloth through glass with cleaning wire 3 Drain tank and flush to remove residue Remove drain plug in the bottom of tank and flush Replace plug afterwards 4 Pull internal mechanism and inspect for wear on pins and linkage and for buildup on the float Remove cap screws in top flange and remove internal mechanism and inspect CAUTION Before performing any of the above maintenance ...

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