IWAKI PUMPS EHN-B11-NAE Manual Download

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Exploded view

Pump head, Drive unit & Control unit

Do not dismantle the pump beyond the extent shown in the diagram below.

*Pump head material and size differ with models.

Exploded view

Valve set*

Control unit

Cable gasket

Gasket

Cap

Cable nut

Valve set*

Terminal case

Tapping

screw

Bracket

Pump body

Bracket spacer

Retainer

Diaphragm spacer

Diaphragm

Air vent

Summary of Contents for EHN-B11-NAE

Page 1: ...48 U K IWAKI Pumps U K LTD TEL 44 1743 231363 FAX 44 1743 366507 China Guangzhou GFTZ IWAKI Engineering Trading Co Ltd TEL 86 20 84350603 FAX 86 20 84359181 Italy IWAKI Europe GmbH Italy Branch TEL 39 0444 371115 FAX 39 0444 335350 U S A IWAKI America Inc TEL 1 508 429 1440 FAX 1 508 429 1386 China IWAKI Pumps Shanghai Co Ltd TEL 86 21 6272 7502 FAX 86 21 6272 6929 Spain IWAKI Europe GmbH Spain Br...

Page 2: ...he information such as model codes discharge capacity discharge pressure and power voltage are as ordered b Check accessories are complete A check valve The applicable check valve varies with pump models See page 62 for applicable pumps A 3m PVC braided tube ø4 ø9 or ø8 ø13 ø4 ø9 or ø8 ø13 EVA tube is attached to the PP type c Check if the delivery is damaged or deformed Check for transit damage a...

Page 3: ...de 13 EXT mode 14 Proportional control 14 Multiplier programming 14 Divisor programming 15 STOP function 15 Priming function 15 Part names 16 Pump 16 Operation panel 17 Basic displays 18 Alarm displays 19 Other displays 19 Identification codes 20 Pump 20 Control unit 21 Installation 22 Pump mounting 22 Plumbing 23 Tube connection 23 Check valve mounting 25 Wiring 27 Power voltage Earthing 27 Signa...

Page 4: ...ration programming 37 Programming flow 38 Operation 39 Manual operation 39 EXT operation 39 Analog control programming 39 Digital control programming 41 STOP function 45 Keypad lock 46 Keypad lock activation 46 Keypad lock release 46 Priming function 46 Maintenance 47 Troubleshooting 48 Pump 48 Inspection 49 Daily inspection 49 Periodic inspection 49 Wear part replacement 50 Wear part list 50 Befo...

Page 5: ... B21 B31 C16 C21 C31 C36 NAE 59 Check valve VC VH PC PH PP 59 Specifications Outer dimensions 60 Specifications 60 Pump 60 Control unit 61 Power cable 61 Pump colour 61 Check valve 62 Outer dimensions 63 EHN B11 B16 B21 VC VH PC PH PP 63 EHN B31 VC VH PC PH PP 63 EHN C16 C21 VC VH PC PH PP 64 EHN C31 VC VH PC PH PP 64 EHN C36 VC VH PC PH PP 65 EHN B11 B16 NAE 65 EHN C16 C21 NAE 66 ...

Page 6: ...esting the use of Caution Prohibited actions and specific Requirement Indicates mishandling could lead to personal injury or prop erty damage CAUTION Safety instructions Export Restrictions Technical information contained in this instruction manual might be treated as controlled tech nology in your countries due to agreements in international regime for export control Please be reminded that expor...

Page 7: ...a high degree of risk It is not the manufactur er s responsibility for any failure or injury resulting from alterations to the pump Wear protective clothing Always wear protective clothing such as an eye protection chemical re sistant gloves a mask and a face shield during disassembly assembly or maintenance work The specific solution will dictate the degree of protec tion Refer to MSDS precaution...

Page 8: ...em in order for the pump not to run dry If the pump runs dry for a long period for more than 30 minutes the pump head and the valve cases may deform by friction heat and conse quently leakage results Keep electric parts and wiring dry Risk of fire or electric shock Install the pump where it can be kept dry Ventilation Fumes or vapours can be hazardous with certain solutions Ensure proper ventilati...

Page 9: ...tions Do not use a damaged pump Using a damaged pump could lead to an electric leak or shock Disposal of a used pump Dispose of any used or damaged pump in accordance with local rules and regulations If necessary consult a licensed industrial waste disposal company Check the pump head bolts Liquid may leak if any of pump head bolts become loose Tighten the bolts evenly to the specified torque belo...

Page 10: ... affected When two or more pumps are installed together vibration may be signifi cant resulting in poor performance or failure Select a solid foundation concrete and fasten anchor bolts securely to prevent vibration during operation Allow sufficient space around the pump for easy access and maintenance Install the pump as close to the supply tank as possible When handling liquids that generate gas...

Page 11: ...unit to a different drive unit Otherwise an electrical circuit or the drive unit may fail Solution in the discharge line may be under pressure Release the pres sure from the discharge line before disconnecting plumbing or disassembly of the pump to avoid solution spray Wear protective clothing when handling or working with pumps Consult solution MSDS for appropriate precautions Do not come into co...

Page 12: ...irectly driven by electromagnetic force Principle of operation Electromagnetic force and spring force make reciprocating motion The reciprocating motion is transferred to a diaphragm through a plunger and then volumetric change occurs in the pump head This action transfers liquid along with pump head valve action Control unit Pump head Drive unit Spring Pump head valve Discharge side Pump head val...

Page 13: ...nals through an analogue and a digital input can control operation Use the analogue input to make proportional control and the digital input to run the pump with a multiplier or a divisor Auto degassing system Auto degassing type Enables gaseous liquid delivery expelling gas to open air to prevent gas lock in the pump head Operational function Manual mode Run stop the pump by the start stop key A ...

Page 14: ...1 and A2 must be different mA d P1 and P2 must be different spm Multiplier setting Digital control See page 41 The pump increases decreases a stroke rate by the external signal and the multiplier Set a multiplier 1 999 shots per pulse in advance of operation In the digital control with a preset multiplier the pump does not run over the MAN speed at any pulse rate The pump makes one shot per pulse ...

Page 15: ...tion stop at the STOP signal input M OF The pump stops while receiving the STOP signal The pump resumes operation when the stop signal is released Operation resumption at the STOP signal input M ON The pump runs while receiving the STOP signal The pump stops operation when the stop signal is released Priming function See page 46 The pump runs at the maximum stroke rate while both the UP and DOWN k...

Page 16: ...nk or a container The air vent port can rotate 90 degrees Stroke length adjusting knob Used for adjusting a flow rate Adjusting screw Used for opening the air vent port Nameplate Describes the pump specifications Base Always fix with bolts Pump head Inlet Outlet Air vent body Gasket Covers a control unit mounting screw Outlet Air vent port Adjusting screw Inlet AUTO air vent port AUTO degassing ty...

Page 17: ...stopping opera tion or entering a setting ON LED Lights as turning on power and flashes at each stroke EXT key Used for starting EXT operation Set point 1 and 2 Lights when set point 1 and 2 are being set for analogue control STOP Lights as the pump stops running by the STOP signal SET Appears at the Analogue Digital selection mode or in the EXT mode program ming DOWN key Used for decreasing numer...

Page 18: ...ng five shots per signal EXT mode with a divisor 5 The pump is making one shot per 5 signal EXT mode with analogue signals The pump is running at 120spm Analogue control is selected to EXT mode Digital control is selected to EXT mode Analogue control is being set Digital control is being set M OF or M ON is being set for STOP function An input of the STOP signal suspends operation with the left ch...

Page 19: ...if the multiplier buffer is turned on EXT and OVER indications appear when the pump under digital control with divisor is set to run over 360spm by the external pulse signal however the pump speed does not exceed the maximum rate at any pulse rate An unprocessed signal is stored up to 255 signals if the divisor buffer is turned on Other displays Display States The pump is running at the priming sp...

Page 20: ... ceramic FKM FKM PTFE PTFE EPDM dry end VH HC276 EPDM EPDM PC GFRPP GFRPP Alumina ceramic FKM FKM PH HC276 EPDM EPDM PP Alumina ceramic FKM PCTFE Automatic air vent Auto degassing type Code Air vent valve guide A Air vent valve guide B Valve Separate pin Valve seat O ring VC PVC PVC Zirconia ceramic Titanium FKM FKM VH HC276 HC276 EPDM EPDM Material code PVC Transparent polyvinyl chloride GFRPP Gl...

Page 21: ...s field represents a custom tube size f Fitting M Multi tube connection g Control unit function YN High functional h Special version 55 High compression type NAE Auto degassing type Control unit EHNC B YN a b c d a Model EHNC Multivoltage control unit b Drive unit B 20W C 24W c Control unit function YN High functional d Special version 01 99 Customized model ...

Page 22: ... the pump Use of a damaged pump could lead to an electric shock or death Pump mounting Select an installation location and mount the pump Necessary tools Four M5 bolts pump mounting An adjustable wrench or spanner Select a suitable place Select a level location free from vibration that won t hold liquid See page 10 for detail Flooded suc tion installation is strongly recommended when handling liqu...

Page 23: ...hten the fitting nut by turning it further 180 degrees with an adjustable wrench or spanner crush tube mount Do not use excessive force to the plastic fitting nut In your try to remove the connection the adapter may be stuck in the crushed tube and the stopper Try not to damage the taper of the adapter that is crushing the tube against the stopper If it has been dam aged contact us for the new ada...

Page 24: ...The air vent body A can rotate 90 degrees Note the port direction is not adjustable for the auto degassing type NAE a Loosen the lock nut b Turn the air vent port to the optimal direction c Hand tighten the lock nut holding the air vent body A d Use an adjustable wrench or spanner to turn the lock nut further 90 degrees 1 2 Tube Tube Outlet Inlet Air vent port Air bleed tube Air bleed tube Automat...

Page 25: ...evel is higher than a discharge side or an injection point at atmospheric pressure A discharge side liquid level is higher than a suction side but the distance is 5m or below A suction side pressure is higher than a discharge side pressure A discharge pressure including pipe resistance and discharge head is below 0 13MPa 0 049MPa for B31 and C36 Suction side Discharge side Suction side Discharge s...

Page 26: ...k valve BVC back pressure valve NOTE Periodically clean or replace a check valve with new one for the prevention of crystal clogging especially when using sodium hypochlorite In the nature of the pump the lower discharge pressure the higher discharge capacity and vice versa If you want to observe the max discharge capacity at any low level of system discharge pressure use the check back pressure v...

Page 27: ...djustable wrench or spanner Phillips screw driver Precision screw driver Power voltage Earthing Points to be checked Check that power voltage is turned off Connect power cable via crimp contacts Earth the pump NOTE Do not share a power source with a high power device which may generate a surge voltage Otherwise an electronic circuit may fail The conductive noise caused by an inverter also affects ...

Page 28: ...ical relay for ON OFF operation its contact capacity should be 5A or more Contact point may fail if it is less than 5A If a mechanical relay with the contact capacity of 5A is used the maximum allowable ON OFF operation is about 150 000 times The contact capacity should be 10A or more when making ON OFF operation over 150 000 times or sharing a power source with a large capacity equipment Otherwis...

Page 29: ...a no voltage contact or an open collector for the input STOP and AUX signals Set pulse duration to 10 100ms and the number of pulses at or below 360 pulses per minute Detach the terminal case Remove four screws and take out the terminal case The gasket is provided to keep water dust tightness between the parts Be sure to replace once it has removed Remove the power line and signal line terminal bl...

Page 30: ...e signal input upsets the proportional control or may break the PCB Reverse polarity of the open collector stop and pulse signal inputs must be avoided The terminal 6 and 9 are plus and terminal 10 is minus The maximum applied voltage from these terminals is 12V at 5mA Mount the terminal case to the control unit Fasten fixing screws evenly to 0 3N m NOTE Always check that the case gasket are fitte...

Page 31: ...t The pump head fixing bolts may loosen when plastic parts creep due to temperature change in storage or in transit This can lead to leakage Be sure to retighten the bolts evenly to the specified tightening torque below in diagonal order before starting operation Tightening torque Model code Torque Bolts EHN B11 B16 B21 2 16 N m M4 Hex socket head bolt EHN B31 2 55 N m M4 Hex socket head bolt EHN ...

Page 32: ...e end of the tube in a supply tank or a container Some chemicals may damage skin and dry end parts Wash wipe chemicals off immediately if they got wet Points to be checked An air bleed tube is connected to the pump Turn on power The ON LED and the display are turned on The pump waits in the manual mode when turned on with the factory default setting Set stroke rate to 360spm spm increases decrease...

Page 33: ... start stop key and run the pump for more than ten minutes for degassing The ON LED blinks at each shot Push the start stop key and stop the pump Rotate the adjusting screw clockwise to close the air vent port Check liquid is delivered to the discharge line Degassing must be repeated until liquid is outputted from the pump outlet Check connections for leakage Degassing has now been completed 3 4 5...

Page 34: ...ease the stroke rate and measure the pump flow again Change the stroke length for fine adjustment Measure the pump flow again to see the specified level is obtained Flow rate stroke rate and stroke length Precautions of flow rate adjustment When back pressure is high set stroke length to 100 and adjust the pump flow by changing the stroke rate When each dose greatly affects a chemical reaction in ...

Page 35: ...ke rate spm increases decreases as pushing the UP DOWN keys Press and hold either key for three seconds for quick change Quick change stops at 1 or 360spm 1 or 360rpm skips to 360 or 1spm when the key is released and pushed once Push the start stop key The ON LED blinks at each shot during operation 100 discharge capacity equals to the flow rate described on the nameplate 1 2 3 Fixed stroke length...

Page 36: ...iquid volume per shot Before a long period of stoppage one month or more Clean wet ends and the inside of piping Run the pump with clean water for about 30 minutes to rinse chemicals off from the pump head and piping Before unplugging the pump Always stop the pump by key operation and wait for three seconds before unplugging the pump Otherwise the last key operation may not be put in memory In thi...

Page 37: ...al ANA Analog EXT mode Multiplier Digital X1 1 999 1 Divisor Digital 1 1 999 1 Analog 4 0mA at Set point 1 0 0 20 0 0 1 0spm at Set point 1 0 360 1 20 0mA at Set point 2 0 0 20 0 0 1 360spm at Set point 2 0 360 1 Buffer ON OFF Multiplier XON XOF XON Divisor OF OF ON STOP function M ON M OF M OF M ON M OF 1 The MAN speed is used as the upper limit spm in the digital control mode with a multiplier 2...

Page 38: ...F selection Digital Analog selection EXT mode programming Power ON Analog control Multiplier setting Digital control Multiplier Divisor setting Digital control Divisor Analog control programming STOP ON OFF selection OR OR OR OR SET SET SET SET SET SET SET 1 SET 2 SET 1 SET 1 SET 1 SET 2 SET SET SET SET SET 2 SET 2 WAIT WAIT EXT EXT EXT SET SET Buffer ON Divisor Buffer ON Multiplier Buffer OFF Div...

Page 39: ...decreases every time the UP or DOWN key is pushed Press and hold either key for three seconds for quick change Quick change stops at 1 or 360spm 1 or 360spm skips to 360 or 1spm when the key is released and pushed once Push the start stop key to start operation The ON LED blinks at each shot during operation EXT operation The pump operation is controlled by the external signal Analog control progr...

Page 40: ...og control set ting mode Use the UP and DOWN keys to set the SET1 2 parameters Enter a current value at the SET 1 Default value is 4 0mA Enter a spm at the SET 1 Default value is 0spm Enter a current value at the SET 2 Default value is 20 0mA Enter a spm at the SET 2 Default value is 360spm Push the start stop key to return to the wait state Push the EXT key to start the analog control 3 4 6 5 7 8...

Page 41: ... any multiplier or pulse rate The MAN speed skips from 360spm 1spm to 1spm 360spm when the up down key is pushed once Do not enter the external signal to the pump while the digital control behaviour is changed Push the start stop key to return to the wait state WAIT indication appears Use the UP or DOWN key to adjust the stroke rate MAN speed The stroke rate increases decreases every time the UP o...

Page 42: ...ultiplier Push the start stop key to return to the wait state NOTE Do not forget to push the start stop key Otherwise setting is not entered Push the EXT key to start the digital control 5 6 8 7 9 10 OR Buffer OFF Multiplier Buffer ON OFF selection Buffer ON Divisor Buffer ON Multiplier Buffer OFF Divisor OR Multiplier setting screen Enter a multiplier Divisor setting screen to move between diviso...

Page 43: ...of the multiplier is recommended to ensure correct 1 1 operation Push the start stop key to return to the wait state WAIT indication appears Use the UP or DOWN key to adjust stroke rate MAN speed The stroke rate increases decreases every time the UP or DOWN key is pushed Press and hold either key for three seconds for quick change Quick change stops at 1 or 360spm 1 or 360spm skips to 360 or 1spm ...

Page 44: ...a divisor Push the start stop key to return to the wait state NOTE Do not forget to push the start stop key Otherwise setting is not entered Push the EXT key to start the digital control 5 6 8 7 9 10 OR Buffer OFF Multiplier Buffer ON OFF selection Buffer ON Divisor Buffer ON Multiplier Buffer OFF Divisor OR Multiplier setting screen Enter a divisor Divisor setting screen to move between divisor a...

Page 45: ...N The pump runs while receiving the stop signal Push the start stop key to return to the wait state WAIT indication appears Push the start stop key while pressing the EXT key to call up the STOP ON OFF selection M OF or M ON will appear Select M OF or M ON Scroll through M OF and M ON by the UP and DOWN keys Push the start stop key to return to the wait state STOP indication appears when the pump ...

Page 46: ... powered Keypad lock activation Press and hold the start stop key for 3 seconds The following displays will appear Manual operation Digital control 3 sec 3 sec Keypad lock release Press and hold the start stop key for 3 seconds to release a keypad lock Priming function This key operation runs the pump at the maximum stroke rate in operation Press and hold both the UP and DOWN keys The pump runs at...

Page 47: ...tion supplier Risk of electrical shock Be sure to turn off power to stop the pump and related devices before service is performed Before unplugging the pump Always stop the pump by key operation and wait for three seconds especially when disconnecting the pump from a piping system Otherwise the stop command may not be saved and the pump may unintentionally start to run and deliver fluid into an im...

Page 48: ...d Install valve gaskets Foreign matters are stuck in the pump head valves Dismantle inspect and clean the valves Replace as necessary A ball valve is stuck on a valve seat Dismantle inspect and clean the valve Replace as necessary A flow rate fluctuates Air trapped in the pump head Expel air See page 32 Overfeeding occurs Mount a check valve See page 25 Foreign matters are stuck in the pump head v...

Page 49: ...ection 2 Noise and vibration If abnormal noise or vibration occurs They are signs of abnormal operation Visual or audio inspection 3 Air ingress from the pump head joints and the suction line If leakage occurs If pumped liquid includes air bubbles check lines for leakage and retighten as necessary Visual or audio inspection Periodic inspection Retighten the pump head mounting bolts evenly to the f...

Page 50: ...horoughly with tap water Each time the pump head is dismantled replace the diaphragm and the valve sets with new ones Wear part list Parts of parts Estimated life Pump Valve set VC VH PC PH PP 2 sets 8000 hours 14 11 13 12 11 13 12 17 Diaphragm 1 O ring 26 27 25 31 42 42 O ring is used for the NAE type See page 58 59 AUTO air vent valve set NAE type 34 35 17 30 33 34 31 1 set Check valve Check val...

Page 51: ...e is released from the air vent line in the form of solution spray NOTE If pressurized liquid is not expelled run the pump with an opened air vent line until pressure is re moved Valve set replacement Discharge valve set disassembly assembly Necessary tools An adjustable wrench or spanner A 21mm box wrench A pair of tweezers Unfix the pump base before disassembly Loosen the fitting nut and remove ...

Page 52: ... the pump head and fasten the air vent body B via the lock nut Arrange the valve set in the correct parts order and direction A leak or an insufficient flow may result Be sure to fit O rings and gaskets in place Keep the valve set clean Remount the air vent body A and connect tubes 4 3 5 6 Air vent body B Valve set Lock nut VC VH PC PH Air vent body B ...

Page 53: ... tweezers Place a new valve set into the fitting Hand tighten the fitting into the pump head as far as it will go Retighten it by a further 1 4 turn with an adjustable wrench or a spanner Arrange the valve set in the correct parts order and direction A leak or an insufficient flow may result Be sure to fit O rings and gaskets in place Keep the valve set clean Reconnect the suction tube 1 3 2 4 5 F...

Page 54: ...ezers Place a new valve set into the fitting Hand tighten the fitting into the pump head as far as it will go Retighten it by a further 1 4 turn with an adjustable wrench or a spanner Arrange the valve set in the correct parts order and direction A leak or an insufficient flow may result Be sure to fit O rings and gaskets in place Keep the valve set clean Reconnect the air bleed tube 3 2 4 5 1 Air...

Page 55: ...aphragm spacers provided varies at different pumps Run the pump and set the stroke length to 0 Then stop the pump Loosen the fitting nuts and remove the suction tube dis charge tube and air bleed tube Remove the pump head with a hexagon wrench Unscrew the diaphragm from the plunger pump shaft Slide the retainer and diaphragm spacer s onto the screw of the new diaphragm Plunger Diaphragm spacer Dia...

Page 56: ...mp head Tighten the pump head fixing bolts diagonally and evenly by the following torque at each model Tightening torque Model code Torque Bolts EHN B11 B16 B21 2 16 N m M4 Hex socket head bolt EHN B31 2 55 N m M4 Hex socket head bolt EHN C16 C21 2 16 N m M4 Hex socket head bolt EHN C31 2 55 N m M4 Hex socket head bolt EHN C36 2 55 N m M5 Hex socket head bolt A hexagon wrench can be used for a tor...

Page 57: ... pump beyond the extent shown in the diagram below Pump head material and size differ with models Exploded view Valve set Control unit Cable gasket Gasket Cap Cable nut Valve set Terminal case Tapping screw Bracket Pump body Bracket spacer Retainer Diaphragm spacer Diaphragm Air vent ...

Page 58: ...21 B31 C16 C21 C31 C36 PP No Part names of parts 1 Pump head 1 3 Fitting 1 4 Fitting nut 3 5 Air vent body B 1 6 Lock nut 1 7 Diaphragm 1 9 Retainer 1 10 Air vent body A 1 11 Valve guide 4 12 Valve seat 4 13 Valve 4 14 Valve gasket 6 17 O ring 2 18 Diaphragm spacer 19 Hex socket cap bolt PW SW 4 23 Adjusting screw 1 25 O ring 1 26 O ring 1 27 O ring 1 29 Hose stopper 3 30 Hose adapter 3 31 O ring ...

Page 59: ... B 1 32 Spacer 1 33 Separate pin 1 34 Valve 2 35 Valve seat 1 36 Fitting 1 37 Air vent body B 1 38 Lock nut 1 39 O ring 1 40 Hose stopper 4 41 Hose adapter 4 42 O ring 4 The number of diaphragm spacers varies with pump model Check valve VC VH PC PH PP No Part names of parts 1 Fitting nut 1 2 Valve case 1 3 Poppet 1 4 Spring 1 5 Spacer 1 0 6 Valve fitting A 1 7 O ring 1 8 O ring 1 9 Hose stopper 1 ...

Page 60: ...ressure MPa Stroke length mm Stroke rate spm Connection mm Current value A Power con W Weight kg EHN B11 30 1 0 0 5 1 0 50 100 1 360 ø4 ø9 ø4 ø6 0 8 20 1 8 EHN B16 55 0 7 EHN C16 65 1 0 0 5 1 25 40 100 1 2 24 2 9 EHN C21 110 0 7 The above information is based on pumping clean water at ambient temperature and the rated voltage Flow rates were collected at the maximum discharge pressure 100 stroke l...

Page 61: ...each shot Buffer Non volatile memory Power voltage 4 100 240VAC 50 60Hz 1 The maximum applied voltage from the EHN YN to an external contact is 12V at 5mA When using a mechanical relay the minimum application load should be 5mA or below 2 In the digital control with a preset multiplier the pump does not run over the MAN speed at any pulse rate An extra pulse which exceeds the MAN speed pulse rate ...

Page 62: ...CA 1VC M 0 17 ø4 ø9 ø4 ø6 PVC EHN B11 B16 B21 EHN C16 C21 VC CA 1VE M VH CA 2VC M ø8 ø13 ø9 ø12 EHN C31 VC CA 2VE M VH CA 2VCL M 0 05 EHN B31 EHN C36 VC CA 2VEL M VH CA 1V M 0 17 ø4 ø9 ø4 ø6 GFRPP EHN B11 B16 B21 EHN C16 C21 PC PP CA 1E M PH CA 2V M ø8 ø13 ø9 ø12 EHN C31 PC PP CA 2E M PH CA 2VL M 0 05 EHN B31 EHN C36 PC PP CA 2EL M PH ...

Page 63: ...s Outer dimensions Outer dimensions EHN B11 B16 B21 VC VH PC PH PP EHN B31 VC VH PC PH PP 218 47 100 154 90 14 25 81 5 21 5 191 7 16 10 32 6 2 88 LOCK IN OUT AIR 220 100 201 166 90 1 5 47 27 81 5 21 7 16 10 32 6 2 88 LOCK OUT AIR IN ...

Page 64: ... PC PH PP EHN C31 VC VH PC PH PP Specifications Outer dimensions LOCK 237 207 116 47 164 100 25 27 105 18 95 8 37 15 18 12 100 7 7 8 OUT AIR IN 239 116 211 47 176 100 9 29 105 18 95 8 37 15 18 12 100 7 7 8 LOCK OUT AIR IN ...

Page 65: ...N C36 VC VH PC PH PP EHN B11 B16 NAE Specifications Outer dimensions 238 211 116 9 100 176 47 29 18 105 95 8 37 15 18 12 100 7 7 8 OUT AIR IN 100 81 5 15 90 200 25 21 7 16 10 32 6 2 88 47 218 235 5 LOCK IN AIR OUT AIR AUTO ...

Page 66: ...66 EHN C16 C21 NAE Specifications Outer dimensions 237 245 116 47 210 100 25 27 105 18 95 8 37 15 18 12 100 7 7 8 OUT AIR AIR AUTO IN LOCK ...

Page 67: ...67 Specifications ...

Page 68: ...48 U K IWAKI Pumps U K LTD TEL 44 1743 231363 FAX 44 1743 366507 China Guangzhou GFTZ IWAKI Engineering Trading Co Ltd TEL 86 20 84350603 FAX 86 20 84359181 Italy IWAKI Europe GmbH Italy Branch TEL 39 0444 371115 FAX 39 0444 335350 U S A IWAKI America Inc TEL 1 508 429 1440 FAX 1 508 429 1386 China IWAKI Pumps Shanghai Co Ltd TEL 86 21 6272 7502 FAX 86 21 6272 6929 Spain IWAKI Europe GmbH Spain Br...

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IWAKI PUMPS EHN-B11-NAE, Manual

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