Vacuum Generator VK serves customer's purpose most efficiently by selectable modularized unit combinations.
Vacuum Generator VK serves customer's purpose most efficiently by selectable modularized unit combinations.
Blow-off valve is available in two types, solenod type and air timer type.
Blow-off unit incorporates a switchover valve which enables quicker air blow for vacuum release.
Manual override : push-turn locking
Pressure switch is available in two types, electronic sensor type with LED display and low price mechanical switch type
LED display vacuum switch is easy to read.
Two types of LED vacuum switches are available, two switch outputs, or analog & one switch output, to be selected depending on a given application.
4 sizes of standard nozzle bores are provided, φ0.5mm(05), φ0.7mm(07), φ1.0mm(10) and φ1.2mm(12).
Specifications
Common specification
Fluid media
Air(JIS B 8392-1:Class1.2.1～2.4.3 compliant)
Operating pressure range
0.25～0.7MPa
Operating temperature range
5～50℃(No freezing)
Operating humidity range
35～85%RH(No condensation)
Vibration/Impact resistance
Max. 50m/s2 / Max. 150m/s2
Protective structure
Equivalent to IP40
Lubrication
Not required
Pressure resistance(Air supply circuit)
1.05MPa
Pressure resistance(Vacuum circuit)
0.2MPa
* Proof pressure does not indicate the pressure by which products operate normally but the pressure products does not break down.
Solenoid valve specification(DC24V)
Rated voltage
DC24V ±10%
Power consumption
0.8W(with LED)
Surge protection circuit
Varistor
Operation indicator light
Red LED is on when power is supplied
Manual override
Push-turn locking type
Solenoid valve specification(AC100V)
Rated voltage
AC100V ±10%
Power consumption
1VA(with LED)
Surge protection circuit
Diode bridge
Operation indicator light
Red LED is on when power is supplied
Manual override
Push-turn locking type
Valve specification for Ejector(Normally-closed)
Operating system
Air-piloted
Valve
Normally closed
Response time(OFF→ON)
20msec(DC24V) / 23msec(AC100V)
*) Response time is the value under the condition that supplied air pressure is 0.5MPa and rated voltage(100%) is applied
Valve specification for Ejector(Normally-closed)
Operating system
Air-piloted
Valve
Normally open
Response time(OFF→ON)
30msec(DC24V) / 33msec(AC100V)
*) Response time is the value under the condition that supplied air pressure is 0.5MPa and rated voltage(100%) is applied
Solenoid valve type Blow-off valve
Operating system
Air-piloted
Valve
Normally closed
Response time(OFF→ON)
30msec(DC24V) / 33msec(AC100V)
*) Response time is the value under the condition that supplied air pressure is 0.5MPa and rated voltage(100%) is applied
Air timer type Blow-off valve
Operating system
Indirect-driven by air timer cylinder
Valve
Normally closed
Pressure proof
1.05MPa
Duration of blow-off air flow
about 0.3～3sec after ejector solenoid valve closes
Vacuum filter specification
Element material
PVF(Polyvinyl formal)
Filtration rating(*)
5μm
Element surface area
1,130mm2
*) According to our internal test
Blow-off function
Blow-off air flow
0～40L/min［ANR］(at supply air of 0.5MPa)
Mechanical pressure switch specification
Pressure sensing element
Diaphragm pressure switch
Pressure setting range
-20～-80kPa
Setting mode
Stepless regulation by Nut rotation
Switch terminal
Common、N.O.、N.C.
Accuracy
±4kPa
Hysteresis
16kPa max.
Microswitch
J-7OMRON
Microswitch rating
7A 250V AC
Factory setting
Approx. -50kPa
Pressure sensor/LED display specification(NW/PW:2 switch outputs with LED display)
Rated volage
DC12～24V ±10% Ripple(P-P) 10% max.
Current consumption
40mA max.
Pressure sensing element
Diffused semiconductor pressure sensor
Operating pressure range
-100～0kPa
Pressure setting range
-99～0kPa
Pressure proof
0.2MPa
Power supply
DC12～24V ±10% Ripple(P-P)10% max.
Pressure setting point
2
Repeatability
±3%F.S.max.(at Ta=25℃)
Hysteresis
Lock(2%F.S.max.)
Switch output
NPN open collector/PNP open collector(30V 80mA max., Residual voltage0.8V max.)
Response
Approx. 2msec
Display
-99～0kPa(2-digit, red LED display)
Display frequency
Approx. 4 times/sec.
Display accuracy
±3%F.S. ±2 digit or less
Resolution
1 digit
Operation indicator lamp
W1:Red LED lights when output is ON / SW2:Green LED lights when output is ON
*) Allowable variation range of "Zero point voltage", "Span voltage" and "Switch output setting point" when pressure is applied repeatedly should be ±3%F.S.
Pressure sensor/LED display specification(NA/PA:1 analog output+1 switch output with LED display)
Rated voltage
DC12～24V ±10% Ripple(P-P)10% max.
Current consumption
40mA max.
Pressure sensing element
Diffused semiconductor pressure switch
Operating pressure range
-100～0kPa
Pressure setting range
-99～0kPa
Pressure proof
0.2MPa
Power supply
DC12～24V ±10% Ripple(P-P)10% max.
Output setting point
1
Repeatability
±3%F.S.max.(at Ta=25℃)
Hysteresis
Variable(Approx. 0～15%F.S.)
Switch output
NPN open collector / PNP open collector(30V 80mA max/Residual voltage 0.8V max.)
Analog output/Output voltage
1～5V
Analog output/Zero-point voltage
1 ±0.1V
Analog output/Span voltage
4 ±0.1V
Analog output/Output current
1mA max.(Load resistance:5kΩmax.)
Analog output/Linearity
±0.5%F.S. max.(at Ta=25℃)
Response
Approx. 2msec
Display
-99～0kPa(2-digit Red LED display)
Display frequency
Approx. 4 times/sec.
Display accuracy
±3%F.S. ±2 digit or less
Resolution
1 digit
Operation indicator lamp
Red LED lights when output is ON
*) Allowable variation range of "Zero point voltage", "Span voltage" and "Switch output setting point" when pressure is applied repeatedly should be ±3%F.S.
Port size
Vacuum port size
Air supply port size
Stand-alone type
Inch size
φ5/32", φ1/4", φ5/16"
Metric size (mm)
φ4, φ6, φ8
Manifold type (Straight)
Inch size
φ1/4", φ5/16", φ3/8", φ1/2"
Metric size (mm)
φ6, φ8, φ10, φ12
Manifold type (Elbow)
Inch size
φ5/16", φ3/8", φ1/2"
Metric size (mm)
φ8, φ10, φ12
Exhaust port
Stand-alone type tubing size
Metric size (mm)
φ8
Manifold type tubing size (Straight)
Inch size
φ5/16", φ3/8", φ1/2", φ5/8"
Metric size (mm)
φ8, φ10, φ12, φ16
Manifold type tubing size (Elbow)
Inch size
φ5/16", φ3/8", φ1/2"
Metric size (mm)
φ8, φ10, φ12
Manifold type female taper thread
National pipe taper female thread
1/4NPT, 3/8NPT, 1/2NPT
Taper pipe female thread
Rc1/4, Rc3/8, Rc1/2
Vacuum Characteristic Graph
Ordering Information
Model designation (Example)
Block plate alone
Nozzle set only
Detailed Safety Instructions
Warning
1.Tighten screws with appropriate tightening torque referring to the digital catalog. Improper tightening may cause an air leakage, a falling off of the product or damages to the product.
It is also possible to suggest products suitable for various conditions such as applications and functions. Please feel free to contact us or visit the nearest sales office.
The following are frequently asked questions. Please check before making inquiries.
