Vacuum Ejectors - Horizontal Unit System (VJHB6-5)

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MISUMI

Product Details:

Manufacturer part number: VJHB6-5

Brand: MISUMI

Price: 186.76 €

Delivery time: 5 Days

Technical Data:

Ultimate Vacuum: -90.4 kPa

Flow Consumption: 11.5 l/min

[D] Vacuum Port One-Touch Fitting Size: 6

[D] Air Supply Port One-Touch Fitting Size: 6

Suction Flow: 7 l/min

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VJHB6-5

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VJHB

■Material List

Name	[M] Material
Body Resin	PBT (Polybutylene Terephthalate) Glass Fiber Filled
Seal Rubber	Nitrile Rubber
Main Valve	Aluminum Alloy
Joint Portion Metal	Brass + Electroless Nickel Plating
Vacuum Filter Cover	PCT (Polycyclohexylendimethylenterephthalat)
Filter Cover Holder	Aluminum Alloy
Vacuum Generation Nozzle	Brass + Electroless Nickel Plating
Vacuum Generation Diffuser	Brass + Electroless Nickel Plating
Release Air Flow Rate Control Needle	Brass + Electroless Nickel Plating

Specification Table

Part Number	—	Nozzle Dia. Nominal
VJHB4	—	7

Part Number		Nozzle Dia. Nominal	Nozzle Dia. (mm)	L₁	L₂	C₁	C₂	Ultimate Vacuum (-kPa)	Suction Flow (ℓ/min (ANR))	Flow Consumption (ℓ/min (ANR))	Mass (g)
Type	D
VJHB	4	5	0.5	14.6	14.3	10.9	10.9	90.4	7	11.5	164.5
		7	0.7					93.1	13	23
	6	5	0.5	17.1	17.2	11.7	11.7	90.4	7	11.5
		7	0.7					93.1	13	23

■ Specifications

Applicable Fluid	Air
Operating Temperature Range	5 to 50°C
Operating Pressure Range	0.3 to 0.7 MPa
Rated Supply Pressure	0.5 MPa
Release Air Flow Rate	0 to 50 ℓ/min (ANR) (When supply pressure is 0.5 MPa)
Structure of Release Air Relief Valve	Elastic Seal, Poppet Valve
Relief Pressure Selecting Range	0.005 to 0.05 MPa

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Part Number
VJHB6-5

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Ultimate Vacuum (kPa)	Flow Consumption (l/min)	[D] Vacuum Port One-Touch Fitting Size	[D] Air Supply Port One-Touch Fitting Size	Suction Flow (l/min)	Nozzle Diameter	Overall Length (mm)
	186.76 €	1	Available	5 Days	-90.4	11.5	6	6	7	0.5mm	101.3

Specifications / Overview

■Plumbing Example

■Properties
● Supply Pressure - Ultimate Vacuum, Suction Flow, Flow Consumption

1. The characteristic supply pressure above is for vacuum generation.
2. Valve can cause abnormal sounds at the supply pressure of 0.4 to 0.45 MPa, i.e. the supply pressure value just prior to the peak value of Ultimate Vacuum.
This abnormal sound indicates unstable properties, and the noise will be large.
It may affect the sensor and other objects and cause troubles. Please reset supply pressure.
[Example 1]The original pressure is 0.5 MPa. However, when the vacuum generator is operated, pressure supply declines down to 0.43 MPa due to pressure drop and abnormal noise occurs.
→Reset the supply pressure to 0.5 MPa when vacuum generator is operating.
3. When selecting plumbing and equipment, use the triple value of the Nozzle Dia. Sectional Area as guide of Effective Sectional Area.
If adequate supply air flow rate is not retained, sufficient vacuum properties cannot be achieved.
(Abnormal sound may be generated even within the Set Pressure range. Insufficient Suction Flow, Insufficient Ultimate Vacuum, etc.)
[Example 2]Though the pressure is 0.5 MPa when vacuum generator is operating, abnormal sound occurs.
→Insufficient supply air flow rate (Air flow is squeezed by pipe resistance in the vacuum generator, not obtaining supply air flow rate that meets the characteristics.)
→Select plumbing and equipment to ensure the necessary effective sectional area.
[Example 3]For nozzle diameter 0.5 mm, cross-sectional area 0.25 × 0.25 × π × 3 = 0.59 mm²
→Select plumbing and equipment to retain the effective sectional area to 0.6 mm² or more.

■Electromagnetic Valve Specifications

■Electrical Circuit (Electromagnetic Valve)

Item		Electromagnetic Valve for Vacuum Generation	Electromagnetic Valve for Vacuum Release
Pilot Valve	Operation Method	Direct Operation
	Valve Structure	Elastic Seal, Poppet Valve
	Rated Voltage	24 V DC
	Allowable Voltage Range	24 V DC±10%
	Surge Protection Circuit	Diode
	Power Consumption	1.2W (With LED)
	Manual Operation	Push Type - Non-Locking
	Operation Indicator	During Coil Excitation Operation: Red LED on
	Connection Method	Red: 24 V DC Black: COM
Switching Valve	Operation Method	Air Pressure Operation with Pilot Valve
	Valve Structure	Elastic Seal, Poppet Valve
	Pressure Resistance	1.05 MPa
	Valve Type	NC (Normally Closed)
	Lubrication	Not Required
	Effective Sectional Area	Air Supply Port Size: ø4:3.5 mm² ø6:5 mm²	1 mm²

Basic information

Type	Pipes with Built-in Electromagnetic Valve	RoHS Information	RoHS Requirements Not Fulfilled	Additional Function	Filter / Electromagnetic Valve for Vacuum Generation / Electromagnetic Valve for Vacuum Destruction
Vacuum Port Connecting Port Shape	Single-Action Coupling	Air Supply Port Connecting Port Shape	Single-Action Coupling	Valve Type	Normally Closed
Application	Single Item	Operating Pressure Range(MPa)	0.3:0.7	Operating Temperature Range(°C)	5:50
Main Body Material	Glass Fiber Filled PBT Polybutylene Terephthalate (Polybutylene Terephthalate)

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