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No. ZK2-OM01301

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Pressure switch for vacuum

Name

Function

Output (OUT1) LED

(Green)

LED (Green) is ON when the switch output (OUT1) is ON.

Output (OUT2) LED

(Red)

Pressure switch for vacuum:
LED (Red) is ON when the switch output (OUT2) is ON.
Pressure switch for vacuum with energy saving function:
LED (Red) is ON when the pilot valve for

supply valve is energized.

LED display

Displays the current status of pressure, setting mode and error code.

button (UP)

Selects a mode and increases ON/OFF set value.
Press this button to change to the peak display mode.

button (DOWN)

Selects a mode and decreases ON/OFF set value.
Press this button to change to the bottom display mode.

button (SET)

Press this button to change to another mode and to set a value.

Содержание ZK2 A Series

Страница 1: ...No ZK2 OM01301 PRODUCT NAME Vacuum Unit Ejector Vacuum Pump System MODEL Series Product Number ZK2 A Series ...

Страница 2: ... Order 33 7 Exploded View of Manifold Replacement Parts 37 7 1 Exploded View of Manifold 37 7 2 How to Increase Manifold Stations 38 7 3 Component Parts 40 7 4 Replacement Parts 41 7 5 Replacement Parts for Manifold How to Order 41 8 Maintenance 48 8 1 Maintenance 48 8 2 Replacement Procedure 50 9 Specifications 55 10 Port Layout 60 11 Exhaust Flow Rate Characteristics 70 11 1 Ejector Exhaust Char...

Страница 3: ...hen configuring the equipment 2 Only personnel with appropriate training should operate machinery and equipment The product specified here may become unsafe if handled incorrectly The assembly operation and maintenance of machines or equipment including our products must be performed by an operator who is appropriately trained and experienced 3 Do not service or attempt to remove product and machi...

Страница 4: ...e failure of the product 3 Prior to using SMC products please read and understand the warranty terms and disclaimers noted in the specified catalog for the particular products 2 Vacuum pads are excluded from this 1 year warranty A vacuum pad is a consumable part so it is warranted for a year after it is delivered Also even within the warranty period the wear of a product due to the use of the vacu...

Страница 5: ...Do not use the product in a place where static electricity is a problem Otherwise failure or malfunction of the system can result Do not Do not cut off the power and compressed air supplied to this product while it is operating Otherwise it can cause injury due to dropping of workpieces or damage to the system Instruction If using the product in an interlocking circuit Provide a double interlockin...

Страница 6: ...rain catch before the filter and perform draining regularly If draining is not performed regularly and condensate enters the secondary side it can cause operating failure of pneumatic equipment When it is difficult to control drainage the use of a filter with an auto drain is recommended The applicable fluid is air Do not use a fluid containing chemicals synthetic oils including organic solvent sa...

Страница 7: ...llowing table Avoid repeatedly bending stretching or applying a heavy object or force to the lead wire Repetitive bending stress or tensile stress to the lead wire can cause the sheath of the wire to peel off If the lead wire can move fix it near the body of the product The recommended bend radius of the lead wire is 6 times the outside diameter of the sheath or 33 times the outside diameter of th...

Страница 8: ...roduct Do not use the product in an environment that is exposed to temperature cycle Heat cycles other than ordinary changes in temperature can adversely affect the inside of the product Do not expose the product to direct sunlight If using in a location directly exposed to sunlight protect the product from the sunlight Failure or malfunction may occur Keep within the specified operating fluid and...

Страница 9: ... com for the recommended piping conditions Maintenance Turn off the power supply stop the supplied air exhaust the residual compressed air in the piping and verify the release of air before performing maintenance There is a risk of unexpected malfunction of component Perform regular maintenance and inspections There is a risk of unexpected failure of components due to the malfunction of equipment ...

Страница 10: ...size of vacuum pump system mm ø4 inch ø5 32 Note 2 Port size of exhaust port mm ø8 inch ø5 16 Note 3 The complex exhaust is a combined exhaust method of the common exhaust from the end plate and the direct exhaust from each station Symbol System Nominal size 07 Ejector system Note 4 ø0 7 10 ø1 0 12 ø1 2 15 ø1 5 00 Vacuum pump system Note 4 Standard supply pressure for nozzle size 07 to 12 is 0 35M...

Страница 11: ... Release Valve select W or L3 for 6 Wiring Combinations Note 12 Unit selection function is not available in Japan due to new measurement law Note 13 Fixed unit kPa 6 Wiring Combinations Symbol For supply valve release valve Pressure sensor assembly Lead wire with connector for pressure switch Wiring type Connector assembly C Common wiring for manifold None Lead wire length 3m pressure sensor 2m pr...

Страница 12: ...y specification Note 20 21 22 Adjust the supply pressure individually for manifold in order to adjust the vacuum pressure reached by each ejector P Manifold common release pressure supply specification When selecting D with common release pressure supply PD port for manifold option supplying a pressure which is different from for common PV to common PD is requested W With exhaust interference prev...

Страница 13: ... page 75 2 System Port combination Note 2 Symbol System Port Standard P Vacuum pump system Common PV ø8 Common PS ø6 Note 3 Metric size A Ejector system Common PV ø8 Note 4 PN Vacuum pump system Common PV ø5 16 Common PS ø1 4 Note 3 Inch size AN Ejector system Common PV ø5 16 Note 4 Note 2 Refer to Port Layout on pages 60 to 69 for the port layout of standard port combinations and options Note 3 C...

Страница 14: ...ut also from the exhaust of each station Note 7 Select F or H for 1 System Body Type for the single unit model Symbol Type L Individual wiring Note 9 F D sub connector 25 pins Note 10 P Flat ribbon cable connector 26 pins Note 10 N No wiring No valve Note 8 Common wiring is available only solenoid valve wiring Individual wiring is specified for vacuum switches and sensors Note 9 Select L L or W fo...

Страница 15: ...unting hole Pilot pressure supply PS port Pressure switch for vacuum Release valve manual override Valve Assembly Supply valve manual override Silencer exhaust port Exhaust port nozzle size 1 2 1 5 only 4 x M4 Mounting hole common exhaust port Individual exhaust port Common pilot pressure supply PS port Vacuum pump system Common release pressure supply PD port Option Ejector system common air pres...

Страница 16: ...nergy saving function LED Red is ON when the pilot valve for supply valve is energized LED display Displays the current status of pressure setting mode and error code button UP Selects a mode and increases ON OFF set value Press this button to change to the peak display mode button DOWN Selects a mode and decreases ON OFF set value Press this button to change to the bottom display mode button SET ...

Страница 17: ...Hook the ejector onto the DIN rail from direction 3 and mount the ejector onto the DIN rail by pushing it down in direction 4 3 Push the filter case assembly in direction 5 until it is locked 4 To hold the ejector onto the DIN rail hold it from both sides using the stopper brackets 2 Direct mounting 1 Mount and tighten the body using the holes in the body 2 x ø4 5 Tightening torque 0 75 N m 3 4 5 ...

Страница 18: ...ing Option 1 Hook the mounting bracket of the end plate to DIN rail from direction 1 2 Mount the ejector onto the DIN rail by pushing it down in direction 2 3 Use a 50 mm or longer Phillips screwdriver to tighten the mounting bracket 3 Tightening torque 0 9 0 1 Nm Removal should be performed by following the mounting procedure in reverse 2 Direct mounting 1 Mount and tighten the manifold using the...

Страница 19: ...ontaining foreign matter water oil or condensate etc can cause malfunction of supply and release valve It is recommended that an air filter and a mist separator are connected to the upstream side of the ejector and the pump system to prevent foreign matter drainage from entering into the product and perform periodic maintenance of the mist separator to keep supply air quality The purity class of c...

Страница 20: ...hanging the One touch fitting and the plug When PS PD PS and PD are not connected inside the end plate It is necessary to supply each port individually Port Size Ejector System Vacuum Pump System Metric Inch Metric Inch PV ø6 ø1 4 ø6 ø1 4 V ø6 ø8 1 4 5 16 ø6 ø8 ø1 4 ø5 16 EXH Port exhaust ø8 ø5 16 PE EXH Common Port open to atmosphere Note 1 PS ø4 ø5 32 PD Note 2 M3 M3 Not applicable Note 1 Piping...

Страница 21: ...system Note 2 Manifold can be used at 0 3MPa or less when the manifold is for individual SUP For 0 2Mpa or less select K or J for the valve type Set pressure as PV PS Note 3 For ejectors with silencer air exhausts from A slit on both sides For port exhaust type air exhausts from B Note 4 Pilot pressure for ejectors is exhausted from the ejector and the common exhaust Vacuum pump system exhausts ai...

Страница 22: ...f the tube 1 Push the release button flange evenly and sufficiently to release the tube Do not push in the tubing before pressing the release button 2 Hold down the release button while pulling out the tube If the release button is not held down fully it will be more difficult to pull out the tube 3 If the removed tubing is to be used again cut off the section of the tubing which has been gripped ...

Страница 23: ...e product is assumed to be static piping If the tube moves it may become worn elongated or torn due to tensile forces or disconnected from the fitting Ensure the tube is in a static condition at all times before using 3 Prevent the connected tube from being rotated If the fittings are used in this way the fitting may be broken 4 Do not lift the product by holding the piping after the tube is conne...

Страница 24: ... is applied use valve type K For vibration and impact refer to General Specifications on page 55 Note 3 In a vacuum pump system the workpiece may not be released when the vacuum break flow adjusting needle is closed during the use In addition the OFF operation of the supply valve may become unstable Open the vacuum break flow adjusting needle during use If the vacuum break flow adjusting needle is...

Страница 25: ...ble Air leakage Zero air leakage is not guaranteed for the supply valve or release valve Be aware that because there is a chance of air and vacuum leakage the pressure may change if the V port side is tightly sealed Electrical wiring Wiring 1 Individual wiring To install the connector hold the cover and insert the connector straight pushing the connector lever with your finger Ensure that the conn...

Страница 26: ... joined Example D sub connector 2 Internal Circuit Wiring should be connected as shown below Connect with the power supply respectively Light surge voltage suppressor circuit is equipped for the valve type J K and R Solenoid valve is non polar type 1 Individual wiring Valve type J Valve type K R With supply valve Without release valve With supply valve With release valve Red COM Supply valve Black...

Страница 27: ...2 Common wiring 2 1 D sub connector A D sub connector conforming to MIL standards is used 2 2 Flat ribbon cable connector A flat ribbon cable connector conforming to MIL standards is used Triangle mark indicator position ...

Страница 28: ...mbly for common wiring D sub connector cable assembly 1 Assembly part number AXT100 DS25 For other commercial connectors use a 25 pin type with female connector conforming to MIL C 24308 Cannot be used for movable wiring Symbol Cable length L m Note 015 1 5 Cable 0 3mm2 x 25 cores 030 3 050 5 LED light position Release valve Supply valve Release valve Supply valve LED light position ...

Страница 29: ...ber Wire Color Dot Marking 11 White Red 12 Yellow Red 13 Orange Red 14 Yellow Black 15 Pink Black 16 Blue White 17 Purple None 18 Gray None 19 Orange Black 20 Red White Terminal number Wire Color Dot Marking 21 Brown White 22 Pink Red 23 Gray Red 24 Black White 25 White None Item Property Note Conductor resistance 65Ω km or less 20oC Cable 0 3mm2 x 25 cores Voltage limit AC 1000V 1min Insulation r...

Страница 30: ...o ZK2 OM01301 2 Terminal number Connector manufacturers example HIROSE ELECTRIC CO LTD Japan Aviation Electronics Industry Limited 3M Japan Limited J S T Mfg Co Ltd Fujitsu Limited Oki Electric Cable Co Ltd ...

Страница 31: ...B A PNP 2 outputs The FUNC terminal is connected when using the copy function Refer to the ZSE10 ISE10 Operation Manual Pressure switch for vacuum with energy saving function ZK2 ZSVA A NPN 1 output ZK2 ZSVB A PNP 1 output The FUNC terminal is connected when operating the supply valve by energy saving control for workpiece adsorption Refer to the ZK2 ZSV A Operation Manual ...

Страница 32: ...reduction silencer 6 2 Component Parts No Item Material Remarks 1 Valve body assembly PBT HNBR NBR and steel are also used 2 Needle assembly Brass Electroless nickel plated brass resin steel and NBR are used 3 Ejector body assembly PBT HNBR NBR and steel are also used 4 Ejector assembly PBT NBR is also used 13 Vacuum release flow adjusting needle screw driver operating type 6 1 5 8 7 2 3 4 11 12 1...

Страница 33: ...cs per set 11 Body gasket Gasket integrated with the exhaust interference prevention valve 10 pcs per set 12 Filter case Case body Polycarbonate Refer to Note on P 53 Clear filter case without a port for the pressure switch or sensor Opaque filter case with a port for the pressure switch or sensor 13 Pressure switch for vacuum assembly With 2 screws and 1 O ring 14 Lead wire with connector 15 Pres...

Страница 34: ...ividual wiring with connector assembly lead wire length 300mm LO Individual wiring without connector assembly connector 2 Valve type K Supply valve N C Release valve N C R Supply valve Self holding release valve linked Release valve N C J Supply valve N C Release valve None 3 Rated voltage 5 24 VDC 6 12 VDC Applicable valve type W Valve type K R With supply valve and release valve S Valve type J S...

Страница 35: ...be removed until vacuum is released One touch fitting size 6 ø6 One touch fitting Metric size 8 ø8 One touch fitting 7 ø1 4 One touch fitting Inch size 9 ø5 16 One touch fitting Sound absorbing material hole diameter 1 300μm 1 One check valve type All specifications other than vacuum switch with energy saving function and exhaust interference prevention valve 2 Two check valve type Vacuum switch w...

Страница 36: ...aw Note 2 Fixed unit kPa 4 Lead wire with connector Nil None G When 1 Is E or F For pressure switch for vacuum lead wire with connector Length 2m for pressure switch for vacuum When 1 Is V For pressure switch with energy saving function lead wire with connector Lead wire with connector Length 2m for pressure switch with energy saving function 5 Mounting Note Nil Mounted to the single unit L Mounte...

Страница 37: ...18 Lock nut 10 pcs per set ZK2 LN1 A Rated pressure range and specifications 1 0 to 101 kPa Output 1 to 5 V Accuracy 2 F S 3 100 to 100 kPa Output 1 to 5 V Accuracy 2 F S Mounting Note Nil Mounted to the single unit L Mounted to the manifold The length of the mounting screw ejector included in the package is different Note When ordering an ejector without valve select Nil for mounting Applicable n...

Страница 38: ...oded View of Manifold Replacement Parts 7 1 Exploded View of Manifold Individual wiring 8 1 End plate D Single unit for manifold Individual wiring specification 5 7 2 End plate U 3 Tension bolt 6 4 D side U side Common wiring 9 ...

Страница 39: ... valve assembly of a single unit for extra station for manifold 4 Remove the switch assembly if it is present Be careful not to drop the O ring Refer to Fig 1 5 Remove the junction box B top using a precision screwdriver Refer to Fig 2 6 Mount the extra connector to the junction box B Refer to Fig 3 Engage the recess of the connector and the protrusion of the junction box B Refer to Fig 3 A 7 Moun...

Страница 40: ...unted to the junction box B Be careful not to break the connector clip 5 Remove the tension bolt 6 Remove the end plate D assembly 7 Remove the connector housing assembly from the end plate D assembly Refer to Fig 4 8 Mount the connector housing assembly for extra station s to the end plate D assembly Refer to Fig 4 Insert two clips of the housing mounting surface to the square holes of the end pl...

Страница 41: ...box B to the junction box A following a decreasing mark tube numbers from U side Do not let the lead wire get caught 14 Assemble the valve assembly Tightening torque 0 15 Nm 15 For products with a switch mount the switch assembly Be careful not to drop the O ring Tightening torque 0 08 to 0 10 Nm 7 3 Component Parts No Item Material Remarks 1 End plate D assembly PBT HNBR NBR and steel are also us...

Страница 42: ...de and D side 9 DIN rail Refer to Dimensions in the Catalog for the recommended length for each number of manifolds stations 10 Connector housing assembly Available connector is even number only If you need a connector for odd number specify the connector of the number you need 1 station Note When ordering a manifold ZZK2 A A on page 12 1 to 3 are delivered as a set 7 5 Replacement Parts for Manif...

Страница 43: ...ote 1 2 Fix the DIN rail bracket using the mounting screws included in the package tightening torque 0 35Nm 3 Mount the bracket to the DIN rail Refer to Page 17 for installation Note 1 The direction of the DIN rail bracket can be changed by loosening the hook Port size C8 ø8 One touch fitting N9 ø5 16 One touch fitting Mounting screw side comes forward Longer hook Set screws included in the packag...

Страница 44: ...135 5 No 11 12 13 14 15 16 17 18 19 20 L Dimension 148 160 5 173 185 5 198 210 5 223 235 5 248 260 5 No 21 22 23 24 25 26 27 28 29 30 L Dimension 273 285 5 298 310 5 323 335 5 348 360 5 373 385 5 No 31 32 33 34 35 36 37 38 39 40 L Dimension 398 410 5 423 435 5 448 460 5 473 485 5 498 510 5 Connector type 1 D sub connector 25 pins 2 Flat ribbon cable connector 26 pins Applicable stations 02 For 2 s...

Страница 45: ...table below and ZK2 A 〇Single unit New valve assembly of ZK2 A cannot be assembled with the existing products Pilot valve dimension and valve body dimension are different Model and Dimensions Symbol Applicable size ød A L øD Weight g Note 06 ø6 18 35 8 1 White 08 ø8 20 5 39 10 2 White 07 ø1 4 18 35 8 5 1 Orange 09 ø5 16 20 5 39 10 2 Orange There are interference parts within shaded area Existing p...

Страница 46: ...mension and end plate dimension are different By replacing the manifold end plate assembly with the manifold end plate for ZK2 A a single unit of ZK2 A for manifold can be assembled Manifold end plate assembly number see Page 12 End plate End plate Grey Blue Replaceable Exsting manifold ZK2 A manifold There are interference parts within shaded area ...

Страница 47: ...he ZK2 A body gasket integrated with the check valve cannot be mounted to the existing product The check valve and the body gasket are separate parts for the conventional product but ZK2 A is not interchangeable because it is integrated End plate End plate Existing Manifold ZK2 A Manifold Body gasket Check valve Current product Body gasket and check valve ZK2 A Body gasket There are interference p...

Страница 48: ...g the end plate For common wiring D sub connector flat cable wiring does not need to be changed Only the end plate needs to be replaced If anything is unclear about the end plate product number contact your nearest sales office Single unit for manifold to be replaced Existing product New product Single unit for new manifold D sub connector Remove the D sub connector from the existing end plate and...

Страница 49: ...supply air quality However if there is a vacuum pressure drop and or delay in the vacuum adsorption response time which causes problem with the settings during operation stop the operation of the product and replace the element regardless of the above mentioned replacement guideline 5 Operation in an environment where there is a lot of dust in the air The processing capacity of the filter element ...

Страница 50: ...rate measurements from the pressure switch may occur 8 2 Replacement Procedure 8 2 1 Replacement procedure for filter element 1 To pull out the vacuum port adapter rotate the adapter by about 90 degrees in direction A and pull in direction B The adapter can be removed with the suction filter from the filter case 2 Remove the suction filter from the vacuum port adapter and replace it with a new suc...

Страница 51: ...the vacuum port adapter you can remove the adapter with a hexagon wrench using the hexagonal hole in V port The table shows the port size and the width across flats 8 2 2 Replacement procedure for Sound Absorbing Material for Silencer Exhaust 1 Remove the filter case Refer to Filter case maintenance on page 53 2 Flip the ejector push the release lever again with a finger or precision screwdriver u...

Страница 52: ...rewdriver 6 Insert the new sound absorbing material Be careful not to scratch the material with the projection of the diffuser assembly Diffuser hole viewed from the port plug Procedure to put parts back together 7 Insert the port plug and insert the clip into the groove using the lever hole Push completely to the end 8 Push the release lever until it stops in direction 3 Note Do not pull or bend ...

Страница 53: ...ld Sound Absorbing Material 1 Insert a precision screwdriver to notch A of the end plate and remove a clip L 1 2 Insert a precision screwdriver to notch B and remove the silencer cover 2 3 Pull out the sound absorbing material from the silencer cover 3 4 Mounting of a new sound absorbing material should be performed by following the removal procedure in reverse Ejector system manifold silencer com...

Страница 54: ...thinner carbon tetrachloride chloroform acetic ester aniline cyclohexane trichloroethylene sulfuric acid lactic acid water base cutting fluid alkaline Note 3 Do not expose the filter case to direct sunlight for a long period of time Procedure to put parts back together 2 Make sure that the body gasket that matches the product specifications is installed correctly onto the ejector If they are out o...

Страница 55: ...B do not touch the body of the ejector 4 Slide the filter case in direction 2 while pushing the filter case gently in contact with the ejector Make sure that the clip C is locked and there is no gap in part D Note 4 If excess force is applied to the filter case hook A and B may break Handle with care ...

Страница 56: ...cations Valve model Note 4 ZK2 VA K A ZK2 VA R A ZK2 VA J A Type of Actuation Note 5 Supply valve N C Release valve N C Supply valve Self holding release valve linked Release valve N C Supply valve N C Release valve None Valve configuration Pilot operated dual 2 port Pilot operated 2 port Operating pressure range 0 3 to 0 6 MPa Valve construction Poppet seal Manual override Push type Rated voltage...

Страница 57: ...ltration rating 30 μm Filtration area 510 mm2 Pressure Sensor specifications For details refer to the PSE series in the Best Pneumatics No 8 catalog and the Operation Manual Model Sensing unit Standard model number ZK2 PS1 A PSE541 ZK2 PS3 A PSE543 Rated pressure range 0 to 101 kPa 100 to 100 kPa Proof pressure 500 kPa Output voltage 1 to 5 VDC Output impedance Approx 1 kΩ Power supply voltage 12 ...

Страница 58: ...0 ms Short circuit protection Provided Repeatability 0 2 F S 1 digit Hysteresis Hysteresis mode Variable from 0 Note 9 Window comparator mode Display type 3 1 2 digits 7 segment LED 1 color display Red Display accuracy 2 F S 1 digit at ambient temperature 25 3 oC Indication LED Lights up when output is turned on OUT1 Green OUT2 Red Environmental resistance Enclosure IP40 Ambient temperature Storag...

Страница 59: ...0 1000 or 2000 ms Short circuit protection Provided Repeatability 0 2 F S 1 digit Hysteresis Hysteresis mode Variable from 0 Note 10 Display type 3 1 2 digits 7 segment LED 1 color display Red Display accuracy 2 F S 1 digit at ambient temperature 25 3 oC Indication LED Lights up when output is turned on OUT1 Green OUT2 Red Environmental resistance Enclosure IP40 Operating temperature range 5 to 50...

Страница 60: ... Pressure switch for vacuum Model of pressure sensor and pressure switch for vacuum Weight g ZK2 PS A Weight excluding the cable 5 ZK2 ZS A Weight excluding the lead wire assembly with connector 14 Manifold Base Calculation of Weight for the Manifold Type Single unit weight x Number of stations Pressure sensor Pressure switch for vacuum weight x Number of stations Manifold base Example 5 station m...

Страница 61: ...ystem Vacuum pump Body type Single unit Exhaust type Without silencer Application and purpose Vacuum pressure Exhaust Release pressure Same pressure as PS System Vacuum pump Body type Manifold Exhaust type Without silencer Application and purpose Vacuum pressure Common for each station Exhaust Release pressure Same pressure as common PS Port combination Common PV Common PS Common PD ...

Страница 62: ...t type Silencer exhaust Application and purpose Vacuum pressure Exhaust Released in operating environment Release pressure Same pressure as PV Port combination PV PS PD System Ejector Body type Single unit Exhaust type Port exhaust Application and purpose Vacuum pressure Exhaust After piping individual exhaust is necessary Release pressure Same pressure as PV ...

Страница 63: ...uction silencer exhaust Application and purpose Vacuum pressure Exhaust Released in operating environment Release pressure Same pressure as PV System Ejector Body type Manifold Exhaust type Complex exhaust Application and purpose Vacuum pressure Common for each station Exhaust Released in operating environment Release pressure Same pressure as common PV Port combination Common PV Common PS Common ...

Страница 64: ...on for each station Exhaust After piping individual exhaust is necessary Release pressure Same pressure as common PV System Ejector Body type Manifold Exhaust type High noise reduction silencer exhaust Application and purpose Vacuum pressure Common for each station Exhaust Released in operating environment Release pressure Same pressure as common PV Port combination Common PV Common PS Common PD P...

Страница 65: ... type Single unit Exhaust type Without silencer Application and purpose Vacuum pressure Exhaust Release pressure PD pressure has to be supplied with PS pressure Port combination Common PV Common PS Common PD System Vacuum pump Body type Manifold Exhaust type Without silencer Application and purpose Vacuum pressure Common for each station Exhaust Release pressure Common PD pressure has to be suppli...

Страница 66: ...pplication and purpose Vacuum pressure Exhaust Released in operating environment Release pressure PD pressure has to be supplied with PV pressure System Ejector Body type Single unit Exhaust type Port exhaust Application and purpose Vacuum pressure Exhaust After piping individual exhaust is necessary Release pressure PD pressure has to be supplied with PV pressure Port combination PV PS PD ...

Страница 67: ...ication and purpose Vacuum pressure Exhaust Released in operating environment Release pressure PD pressure has to be supplied with PV pressure System Ejector Body type Manifold Exhaust type Complex exhaust Application and purpose Vacuum pressure Common for each station Exhaust Released in operating environment Release pressure Common PD pressure has to be supplied with common PV pressure Port comb...

Страница 68: ...aust After piping individual exhaust is necessary Release pressure Common PD pressure has to be supplied with common PV pressure System Ejector Body type Manifold Exhaust type High noise reduction silencer exhaust Application and purpose Vacuum pressure Common for each station Exhaust Released in operating environment Release pressure PD pressure has to be supplied with PV pressure Port combinatio...

Страница 69: ...ged per station Exhaust Released in operating environment Release pressure Same pressure for common PS pressure and common PD pressure System Ejector Body type Manifold Exhaust type Individual port exhaust Application and purpose Vacuum pressure PV pressure can be changed per station Exhaust After piping individual exhaust is necessary Release pressure Same pressure for common PS pressure and comm...

Страница 70: ...ystem Ejector Body type Manifold Exhaust type High noise reduction silencer exhaust Application and purpose Vacuum pressure PV pressure can be changed per station Exhaust Released in operating environment Release pressure Same pressure for common PS pressure and common PD pressure ...

Страница 71: ...0 No ZK2 OM01301 11 Exhaust Flow Rate Characteristics 11 1 Ejector Exhaust Characteristics Flow Rate Characteristics The flow rate characteristics correspond to the standard supply pressure ZK2 07 ZK2 10 ...

Страница 72: ... 71 No ZK2 OM01301 ZK2 12 ZK2 15 The following graphs show the characteristics of the ejector with valve Please contact SMC for models without valve ...

Страница 73: ...s ø8 11 3 Vacuum Release Flow Rate Characteristics The graph shows the flow rate characteristics at different supply pressures when the vacuum break flow adjusting needle is open from the fully closed state ZK2 Ejector The actual suction flow at the point of suction varies depending on the piping conditions to the vacuum port The above graph shows the value of the ZK2B07 Port size Flow rate charac...

Страница 74: ...the rotation stop position Turning the needle too far may cause damage 3 Do not tighten the handle with tools such as nippers This can result in breakage due to idle turning 4 Do not over tighten the lock nut It is possible to tighten the standard lock nut hexagon manually When tightening further with tools tighten by approximately 15 to 30 Over tightening may cause breakage 5 When Vacuum break fl...

Страница 75: ...cuum pressure decrease Figure A below shows the relation between the exhaust piping piping diameter and length and vacuum pressure When connecting pipes on port exhaust types with an outer diameter of Ø8 or more connect them so that the joints do not interfere with each other Fig B Exhaust slit On both sides 100 90 80 70 60 50 40 30 20 10 0 0 1000 2000 3000 4000 5000 6000 真空圧力 kPa 配管長さ mm 測定条件供給圧...

Страница 76: ... vacuum pressure making vacuum pressure unstable If the vacuum pressure range is adequate for adsorption there should not be a problem If the noise causes a problem or affects the setting of the pressure switch change the supply pressure slightly to avoid the pressure range of the noise Maximum Number of Manifold Stations that Can Operate Simultaneously Note Note As long as the number of stations ...

Страница 77: ...k valve Refer to 9 and 11 Filter case gasket was protruded Refer to 12 Fluctuation of vacuum pressure Noise is generated intermittently when air is exhausted when absorbing by vacuum and vacuum pressure slightly fluctuates Vibration of fluid when vacuum pressure is generated Refer to 13 Air leakage from vacuum port Air leakage from the vacuum port when the release valve is OFF Exhaust air flows to...

Страница 78: ...the supply pressure is higher than the operating pressure range it may cause operation failure because of early defect due to wear of seals Adjust the supply pressure appropriate for the specification for each port Ejectors especially the manifold products consume a large amount of air during operation Ensure that the supply pressure is within the operating range 7 Vacuum pressure decreases if the...

Страница 79: ...he grease of the valve assembly and main valve is washed away with the mist adversely affect the valve operation In addition the life of the main valve may be shortened Install the mist separator and air filter to the supply air piping for the ejector 17 If the suction filter is clogged relief air passing through the filter decreases Liquid or fine particles enter into the filter element fibers Pe...

Страница 80: ...a Chiyoda ku Tokyo 101 0021 JAPAN Tel 81 3 5207 8249 Fax 81 3 5298 5362 URL http www smcworld com Note Specifications are subject to change without prior notice and any obligation on the part of the manufacturer 2019 SMC Corporation All Rights Reserved ...

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