Vacuum Generator, Multitasking / Manifold

Multi-function vacuum generator module VK

RoHS2 Compliant

We offer a wide variety of vacuum modules by modularized unit combination such as ejector, switch, blow-off, vacuum retention, etc.

Advantages

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)

*) Blow-off air flow varies depending on the vacuum port dia. and tubing length (pipe resistance and so on) on vacuum port side

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

Metric size (mm) φ4, φ6, φ8
Inch size φ5/32", φ1/4", φ5/16"

Manifold type (Straight)

Metric size (mm) φ6, φ8, φ10, φ12
Inch size φ1/4", φ5/16", φ3/8", φ1/2"

Manifold type (Elbow)

Metric size (mm) φ8, φ10, φ12
Inch size φ5/16", φ3/8", φ1/2"

Exhaust port

Stand-alone type tubing size

Metric size (mm) φ8

Manifold type tubing size (Straight)

Metric size (mm) φ8, φ10, φ12, φ16
Inch size φ5/16", φ3/8", φ1/2", φ5/8"

Manifold type tubing size (Elbow)

Metric size (mm) φ8, φ10, φ12
Inch size φ5/16", φ3/8", φ1/2"

Manifold type female taper thread

Taper pipe female thread Rc1/4, Rc3/8, Rc1/2
National pipe taper female thread 1/4NPT, 3/8NPT, 1/2NPT

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.

Frequently Asked Questions for Vacuum Generator, Multitasking / Manifold Series

Inquiries about this 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.