Vacuum Ejectors - Horizontal Unit System
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| 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 | |||||||
| 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 |
Part Number:
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Part Number
|
|---|
| VJHB4-5 |
| VJHB4-7 |
| VJHB6-5 |
| VJHB6-7 |
| Part Number |
Standard Unit Price
| Minimum order quantity | Volume Discount | 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 | 4 | 4 | 7 | 0.5mm | 95.9 | |
186.76 € | 1 | Available | 5 Days | -93.1 | 23 | 4 | 4 | 13 | 0.7mm | 95.9 | |
186.76 € | 1 | Available | 5 Days | -90.4 | 11.5 | 6 | 6 | 7 | 0.5mm | 101.3 | |
186.76 € | 1 | Available | 5 Days | -93.1 | 23 | 6 | 6 | 13 | 0.7mm | 101.3 |
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Specifications / Overview
● 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) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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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) |
Configure
Basic Attributes
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Ultimate Vacuum(kPa)
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Flow Consumption(l/min)
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[D] Vacuum Port One-Touch Fitting Size
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[D] Air Supply Port One-Touch Fitting Size
- 4
- 6
-
Suction Flow(l/min)
-
Nozzle Diameter
-
Overall Length(mm)
- 95.9
- 101.3
-
Type
- VJHB
-
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Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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