YAMADA NDP-25 series Operation Manual Download Page 1

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Doc. No.

NDP431U-00

OPERATION MANUAL

YAMADA AIR-OPERATED DIAPHRAGM PUMPS

(for powder material)

NDP-25 series
NDP-40 series

NDP-50 series
NDP-80 series

Summary of Contents for NDP-25 series

Page 1: ...Doc No NDP431U 00 OPERATION MANUAL YAMADA AIR OPERATED DIAPHRAGM PUMPS for powder material NDP 25 series NDP 40 series NDP 50 series NDP 80 series ...

Page 2: ... steel depending on the model you have selected according to the type of material to be pumped The diaphragms are made of a thermoplastic elastomer material suitable for the Application For safe operation This document contains information vital for safe and efficient operation of this product Before using the pump be sure to read this document carefully particularly the warnings and cautions and ...

Page 3: ... and powder material being pumped is shown in 9 1 Main specifications as Operating Air Pressure Use of compressed air or powder material which exceeds the operating air pressure can cause material leaks damage to the pump casings and diaphragms or even fatal accidents When moving this product make sure that the internal pressure is released If the pump is moved while under pressure any shock impar...

Page 4: ...st ports should be kept away from unshielded fire spark and other causes of ignition If a diaphragm is damaged material will 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 product should be properly insulated to prevent conduction with each other Do NOT o...

Page 5: ...ial leaks When working in the vicinity of pumping of material with this product be sure to wear protective gear goggles mask etc When using this product observe the relevant regulatory rules concerning fire prevention labor safety standards etc If you have any questions on the operation of this product method of connection or installation contact your dealer or our regional office CAUTION When ope...

Page 6: ...n 13 4 2 Shutdown 13 5 Method of cleaning 14 6 Daily check 15 7 Troubleshooting 7 1 Pump does not run 15 7 2 Pump runs but material does not come out 15 7 3 Flow discharge volume decreased 15 7 4 Material leaks from exhaust port silencer 16 7 5 High air consumption during in operation 16 7 6 Irregular noise 16 7 7 Irregular vibration 16 8 Returning the product for servicing 8 1 How to use the FAX ...

Page 7: ...Needle Valve F Pump Base NDP 25BA NDP 25BS Aluminum type Stainless steel type Type BAC BAN Type BSC BSN Switching Portion ADC12 Switching Portion ADC12 Material Contact Portion ADC12 Material Contact Portion SCS14 Diaphragm CR NBR Diaphragm CR NBR Ball O Ring CR NBR NBR Ball O Ring CR NBR NBR Valve Seat SMS1025 Valve Seat SUS316 Center Disk SUS316 Center Disk SUS316 I C K D A H K E F G K J B ...

Page 8: ...A NDP 40BS NDP 50BA NDP 50BS NDP 80BA NDP 80BS Aluminum type Stainless steel type Type BAC BAN Type BSC BSN Switching Portion ADC12 Switching Portion ADC12 Material Contact Portion ADC12 AC4C T6 Material Contact Portion SCS14 Diaphragm CR NBR Diaphragm CR NBR Ball O Ring CR NBR NBR Ball O Ring CR NBR NBR Valve Seat CR NBR Valve Seat CR NBR Center Disk A5056 Center Disk SUS316 I A J B D K E F H G C...

Page 9: ...t be taken when lifting it When moving the pump with a forklift or truck make sure that the pump will not fall If it does it may be damaged and or cause bodily injury NEVER try to move the pump by pulling the hose connected to the pump The hose or the pump may be damaged 2 2 Installing the pump 1 Decide where the pump should be installed and secure a suitable space see Fig 2 1 A to C 2 Remove the ...

Page 10: ...aterial and post warning signs at necessary places For details see the applicable operating caution on P 2 and P 4 NOTE Arranging outside exhaust Remove the silencer Connect a hose with a ground wire to the pump s exhaust port and attach the silencer to the tip of the hose Use a hose of the same diameter as the exhaust port If the hose is longer than 5 meters consult your dealer or our regional of...

Page 11: ...und 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 grounded friction between parts and abrasion caused by some fluids flowing inside the casing may generate static electricity Also depending on the type of fluid being pumped and the installation environ...

Page 12: ... Use a hose of a diameter the same as or larger than the pump s ports If you use a hose of smaller diameter the pump s performance will be adversely affected and it may even malfunction Verify that the particle size doesn t exceed the particle size limitation see 9 1 Main specifications If it exceeds the limitation attach a strainer to the pump to prevent larger particle from entering the pump Fai...

Page 13: ...h the powder material being pumped NOTE Air piping size should be equal to the inlet port 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 operability and stability of air pressure If you use a solenoid valve as the air valve be sure it is a three way valve ...

Page 14: ... the closed needle valves 5 pcs to the right about 30 degrees Adjust the valves if the air volume is not enough at this time 4 Press the RESET button and then slowly open the air valve of the pump 5 First verify that material is flowing inside the piping and is being pumped to the discharge side and then fully open the air valve 4 2 Shutdown Close the air valve of the pump and shut off the supply ...

Page 15: ...ide the pump as much as possible 3 Remove the hose from the discharge side and attach different hoses to the suction side and the discharge side for cleaning 4 Remove the hose from the suction side of the pump run the pump for a while and purge the pump of remaining material as much as possible CAUTION Be careful when removing piping Material will gush out After cleaning by running the pump dry ha...

Page 16: ...ssemble the casing check and clean 7 2 Pump runs but fluid does not come out Cause Action to be taken The suction lift or discharge head is long Confirm the piping configuration and shorten the length The discharge side material piping including the strainer is clogged with sludge Check and clean the material piping The valve on the suction side is not open Open the valve on the suction side The p...

Page 17: ...Irregular vibration Cause Action to be taken The supply air pressure is too high Adjust the supply air pressure The spool oscillates and occur ball chattering Adjust the supply air pressure and exhaust pressure Connection parts and pump mounting are loose Check each connection part and tighten the bolts If any of the above mentioned causes does not apply to your problem contact your dealer or our ...

Page 18: ... Discharge port Air Connection Supply Port Rc 3 8 Rc 1 2 Rc 3 4 Exhaust Port Rc 3 4 Rc 3 4 Rc 1 Operating Air Pressure 0 2 0 7 MPa Maximum Discharge Volume approx 200 kg h approx 500 kg h approx 1000 kg h approx 1500 kg h Maximum Air Consumption 1600 L min ANR 4000 L min ANR 6000 L min ANR 6000 L min ANR Operating Ambient Temperature Range 0 70 C Operating Noise 97 dB 95 dB 94 dB 92 dB Weight 13 k...

Page 19: ...18 9 2 2 NDP 40 series 9 2 3 NDP 50 series ...

Page 20: ...butor our regional office for detailed information NOTE Method of measurement of operating noise With a specified noise meter the operating noise is measured at measurement points A B and C and the maximum value is to be used The display noise level is the maximum value at flow rate measurement condition The noise level depends on the condition ...

Page 21: ...person in charge Address Department Telephone Fax MODEL No Product name Product No Date of product Period of use From to SERIAL No Lot No Operating conditions Indoor Outdoor Frequency of operation Continuous Intermittent Hours day week month Date of purchase Name of dealer Operating air pressure MPa Discharge volume kg h Stroke Suction side m Discharge side m Type of material pumped Specific gravi...

Page 22: ...arising from use with a fluid that may cause corrosion inflation or dissolution 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 modification of the product by other than authorized service personnel 6 Wear and tear of parts that must be regularly replaced in...

Page 23: ...22 12 Warning symbols BEWARE HIGH TEMPERATURE ELECTRIC SHOCK POISON FLAMMABLE CORROSION EXPLOSION General warnings cautions and danger notifications FIRE STRICTLY PROHIBITED ...

Page 24: ...Manufactured by YAMADA CORPORATION INTERNATIONAL DEPARTMENT No 1 3 1 Chome Minami Magome Ohta Ku Tokyo 143 8504 Japan PHONE 81 0 3 3777 0241 FAX 81 0 3 3777 0584 201111 NDP431U ...

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