background image

 

3

 
 

                                         

WARNING 

•  Improper grounding, poor ventilation, or unshielded fire or spark can create a danger of fire 

or explosion. Therefore, the following precautions are strongly advised.   

*All peripheral equipment and piping connected to this product should be properly 
 grounded.  

*To pump flammable liquids, use a model with an aluminum or stainless-steel casing.   

*Whenever you notice any spark while operating this product, immediately stop its 

  operation, and do NOT start using it again unless you are sure of the cause and corrective 
  actions have been taken.   

*Depending upon the type of fluid being pumped, bubbles of flammable gas may be 

  generated. Make sure that ventilation is satisfactory.   
*This product itself, its piping and exhaust ports should be kept away from unshielded fire, 

  spark and other causes of ignition. If a diaphragm is damaged, fluid 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 operate heating devices that create flames or have heating filaments anywhere 
  near the pump or its piping.   

*If there are flammable gases in the air while the pump is operating, do NOT switch electric

  appliance on and off.   
*Do NOT operate a gasoline engine at the work site.   

*Restrict smoking at the work site. 

 
•  After you shut down the pump and disconnect the piping, some fluid may remain inside the 

pump. Also, if the pump is left unused for a prolonged period, some fluid may remain inside 

the pump and connected piping. Therefore, be sure to purge the system of fluid and clean the 

pump before prolonged disuse. If the product is left unused for a prolonged period with fluid 
remaining in the connected piping as well as the pump itself, the fluid may expand, 

depending on the ambient temperature (because of freezing or heat), which may cause 

damage to the pump and/or piping and possible leakage of fluid. 

 

•  Always use genuine Yamada parts when replacing component parts of this product. Do NOT 

attempt to modify the components parts or replace them with other than genuine Yamada 
parts. 

 

•  Torque of all tightening parts must be inspected before operation. Designated torque are 

mentioned in maintenance manual. 

 

 

Содержание NDP-P20 Series

Страница 1: ...Doc No NDP237U 07 OPERATION MANUAL YAMADA AIR OPERATED DIAPHRAGM PUMPS NDP P20 series NDP P25 series...

Страница 2: ......

Страница 3: ......

Страница 4: ......

Страница 5: ...lene polyvinylidene fluoride depending on the model you have selected according to the type of fluid to be pumped The diaphragms are made of a thermoplastic elastomer material suitable for the Applica...

Страница 6: ...rking pressure at the specific temperature of the liquid being pumped Air pressure and discharge pressure must not exceed the allowable working pressure If air pressure and discharge pressure exceed t...

Страница 7: ...rly insulated to prevent conduction with each other Do NOT operate heating devices that create flames or have heating filaments anywhere near the pump or its piping If there are flammable gases in the...

Страница 8: ...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 9: ...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 16 8 3 Flow discharge quantity decreased 16 8 4...

Страница 10: ...ching Portion PPG Fluid contact Portion ADC12 Diaphragm CR NBR EPDM FKM PTFE TPEE TPO TPEE Ball O Ring CR NBR NBR EPDM FKM PTFE TPEE NBR TPO EPDM PTFE NBR Valve Seat SMS1025 Center Disk SUS316 A5056 S...

Страница 11: ...Portion PPG Diaphragm CR NBR EPDM FKM PTFE TPEE TPO TPEE Ball O Ring CR NBR NBR EPDM FKM PTFE TPEE NBR TPO EPDM PTFE NBR Valve Seat PPG Center Disk PPG SCS13 1 Polyvinylidene fluoride type Type BVE BV...

Страница 12: ...apped or taped for shipment 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 a...

Страница 13: ...Try to keep the suction lift as short as possible To protect diaphragm from abnormal breakage inlet pressure must be kept below the following values PTFE diaphragm 0 02 MPa height 2 m During operation...

Страница 14: ...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 caut...

Страница 15: ...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 16: ...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 stabili...

Страница 17: ...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 18: ...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 19: ...h 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 for the type of fluid pumped and then con...

Страница 20: ...ith 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 o...

Страница 21: ...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 ar...

Страница 22: ...level 4 92 dB 96 dB Weight 7 5 kg 12 5 kg 7 0 kg NDP P25 metal type series NDP P25 Type BA BAT BS BST Nominal Diameter 1 25 mm Suction Port Fluid Connection Discharge Port Rc 1 Supply Port Rc 3 8 Air...

Страница 23: ...L min ANR 1800 L min ANR 1600 L min ANR 1800 L min ANR Slurry Limitation 3 mm or less Limitation of Viscosity Suction Lift 3Pa s or below Force In 8Pa s or below Temp 0 70 C Operating Ambient Temperat...

Страница 24: ...20 10 2 Appearance and dimensions 10 2 1 NDP P20 series NDP P20BA NDP P20BS NDP P20BP THREAD TYPE...

Страница 25: ...21 NDP P20BP FLANGE TYPE 10 2 2 NDP P25 series NDP P25BA NDP P25BS...

Страница 26: ...22 NDP P25BP THREAD TYPE NDP P25BP FLANGE TYPE...

Страница 27: ...25BV THREAD TYPE NDP P25BV FLANGE TYPE CAUTION Due to improvement or modification of products dimensions may change without notice Please contact your distributor our regional office for detailed info...

Страница 28: ...24 10 3 Performance curve 10 3 1 NDP P20 series NDP P20BA BS BP NDP P20BAT BST BPT 10 3 2 NDP P25 series NDP P25BA BS BP BV NDP P25BAT BST BPT BVT...

Страница 29: ...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 30: ...L 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 purc...

Страница 31: ...rising 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 offi...

Страница 32: ...28 13 Warning symbols BEWARE HIGH TEMPERATURE ELECTRIC SHOCK POISON FLAMMABLE CORROSION EXPLOSION General warnings cautions and danger notifications FIRE STRICTLY PROHIBITED...

Страница 33: ......

Страница 34: ...AL 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 YAMADA EUROPE B V Aquamarijnstraat 50 7554 NS Hengelo O The Netherlands PHONE 31 0 7...

Отзывы: