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Doc. No.

NDP 288U-08

OPERATION MANUAL

YAMADA AIR-OPERATED DOUBLE DIAPHRAGM PUMP

NDP-50FAN

Содержание NDP-50FAN

Страница 1: ...Doc No NDP 288U 08 OPERATION MANUAL YAMADA AIR OPERATED DOUBLE DIAPHRAGM PUMP NDP 50FAN...

Страница 2: ...N ISO 12100 2010 EN 809 1998 A1 2009 UK Declaration of Conformity Product AIR OPERATED DIAPHRAGM PUMP series and PULSATION DAMPENER series Model NDP DP G and AD series excluding NPT thread type Supply...

Страница 3: ...gh a unique switching mechanism The diaphragms are made of a rubber For safe operation This document contains information vital for safe and efficient operation of this product Before using the pump b...

Страница 4: ...exceed 0 7 MPa If air pressure and discharge pressure exceed the allowable working pressure it may cause liquid leaks damaged pump casings or diaphragms and could cause a fatal accident When moving t...

Страница 5: ...ll gush out together with air from the exhaust port Do NOT leave gasoline or solvent etc that contains waste at the work site Machinery and other equipment near the place of installation of this produ...

Страница 6: ...ion resistance it may result in damaging the product or leakage of fluid When working in the vicinity of pumping of fluid with this product be sure to wear protective gear goggles mask etc When using...

Страница 7: ...13 5 2 Flow adjustment 13 5 3 Shutdown 14 5 4 Releasing the pressure 14 6 Method of cleaning 15 7 Daily check 16 8 Troubleshooting 8 1 Pump does not run 16 8 2 Pump runs but fluid does not come out 1...

Страница 8: ...ection Point E Pump Base Stand NDP 50FAN Type NDP 50FAN Switching Portion ADC12 Fluid contact Portion ADC12 AC4C T6 Diaphragm NBR Flap Valve HNBR SPCC 1 Valve Seat HNBR SPHC 1 Center Disk A5056 1 SPCC...

Страница 9: ...ment Remove the caps and tapes When installing accessories make sure that no foreign matter falls into the product as it could cause malfunction of the switching portion Cover an air valve a silencer...

Страница 10: ...and secure a suitable space see Fig 3 1 A to D NOTE Try to keep the suction lift as short as possible To protect diaphragm from abnormal breakage inlet pressure must be kept below the following value...

Страница 11: ...provide protective measures installation of a pit or sensors etc in consideration of possible leakage of fluid and post warning signs at necessary places For details see the applicable operating cauti...

Страница 12: ...wires to the connected piping and any other connected equipment For details see the applicable operating caution on P 3 When the pump is operated without a ground wire or otherwise not properly ground...

Страница 13: ...p to stop larger particles Otherwise such particles may cause a malfunction If depending upon the place of pump installation the volume of the pumped fluid changes drastically install a relief valve o...

Страница 14: ...ort of the pump to supply enough air to run the pump The air compressor should be able to provide adequate air flow to the pump Attach the compressor as close as possible to the pump considering opera...

Страница 15: ...case of use lubricator must be used turbine oil none addition class 1 turbine oil equivalent ISO VG32 grade for lubricants Do not apply lubricants more than required and also do not use any other lub...

Страница 16: ...erloaded and this may cause damage such as bending of the center rod After finishing your work purge the remaining fluid from the pump see 6 Method of cleaning 5 4 Releasing the pressure 1 Make sure t...

Страница 17: ...e hose from the discharge side and attach different hoses to the suction side and the discharge side for cleaning 4 Be ready with a vessel with cleaning solution select cleaning solution appropriate f...

Страница 18: ...th sludge Check and clean the fluid piping The pump is clogged with sludge Disassemble the casing check and clean 8 2 Pump runs but fluid does not come out Cause Action to be taken The suction lift or...

Страница 19: ...ssible diameter Disassemble the casing check and clean 8 7 Irregular vibration Cause Action to be taken The supply air pressure is too high Adjust the supply air pressure The spool oscillates and occu...

Страница 20: ...m Discharge Volume 600 L min Maximum Air Consumption 7000 L min ANR Slurry Limitation Spherical shape 30 mm or less Stick shape 15 mm 45 mm or less Operating Temperature Range Temperature Ambient 0 70...

Страница 21: ...c2 EQUIVALENT TO JIS 10K 50A DN 50 PN 10 ANSI 150 2B Rc1 4 Rc1 4 405 300 93 112 377 619 93 828 709 511 184 230 10 2 Appearance and dimensions CAUTION Due to improvement or modification of products dim...

Страница 22: ...ocedure Conditions a Supplied air pressure Maintaining preset pressure b Liquid pumped Fresh water c Temperature Ambient d Condition of suction Flat suction 0 meter head e Measuring system System A Co...

Страница 23: ...n of the component parts of the product 4 Irregularity arising from repair made by other than by our firm our regional office dealer or authorized service personnel 5 Malfunction arising from modifica...

Страница 24: ...22 12 Warning symbols BEWARE HIGH TEMPERATURE ELECTRIC SHOCK POISON FLAMMABLE CORROSION EXPLOSION General warnings cautions and danger notifications FIRE STRICTLY PROHIBITED...

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