Nissan Tanaka
NISSAN TANAKA Prince Changer Semi-automatic Switching Device
Manufacturer: Nissan Tanaka
Prince Changer for general industrial gases
Features
- Automatically switch between left and right gas supply lines for continuous, long-term gas supply.
- When using the optional pressure gauge with contacts and Prince Alarm alarm device, you can be notified of low pressure in the supply line through a buzzer and lamp.
- We offer two types, for assembly equipment and wall-mounted use, so you can choose the most suitable option depending on your installation location.
Flow characteristics
Specifications
| Product name | Model | Gas Type | Maximum Flow Range (L/min(nor)) | Operating Temperature Range (°C) | Pressure Gauge (MPa) | Maximum Operating Pressure (MPa) | Switching Pressure | Inlet and Outlet Shapes | Weight (kg) | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inlet Side | Outlet Side | Inlet Side | Outlet Side | Inlet Side | Outlet Side | |||||||
| Wall-Mounted Prince Changer | 930NA | O2 | 120(P3=0.3MPa) | -5～40 | 25 | 1.0 | 15 | 0.5 | 0.65～0.95 | Rc1/4 | Rc1/4 | 4.6 |
| 930NB | 100(P3=0.2MPa | 0.3 | 0.2 | |||||||||
| Integrated Systems Prince Changer | 930MA | 120(P3=0.3MPa) | 1.0 | 0.5 | W22-14 mounting nut | |||||||
| 930MB | 100(P3=0.2MPa | 0.3 | 0.5 | |||||||||
| Material Composition | Main body | Diaphragm | Filter | Other gas connection parts |
|---|---|---|---|---|
| C3604,C3771 | NR | bronze sintering | C3604, SUS304, Fluororesin |
※ Normal flow rate is the value when the gas is flowing..
※ Wall-mounted type 930NB is made to order.
※ We also offer supply frame fabrication. Please consult our sales representative.
※ We can also provide pressure gauges with contacts for flammable gases. Please consult our sales representative.
※ If the supplied flow rate exceeds the upper limit of the specified flow range, gas may be supplied from both systems.
External View
930MA
930NA
Optional Feature
Pressure gauge with electrical contacts
Full Scale: 25MPa
Size: Ø75mm
Connection Type: G1/4
Gas Contact Metal Material: Brass
Lower Limit Set Pressure = 1.5MPa
Load Allowance: 0.2A or less
Contact Power Supply: AC100V
Alarm Panel (Prince Alarm)
Prince Alarm 930AP
※ We can also design the alarm panel according to your requirements.
※ Please inquire for more details.
Product lineup
<PC Series>
- For general industrial gases
- Low pressure, high flow rate type. We offer a medium pressure (0.7MPa) supply type.
<Stainless Changer>
- For standard gases, high-purity gases, and laser gases.
- The gas contact parts are made of stainless steel, aiming for purity retention performance.
- We offer both low-pressure type and medium-pressure (0.7MPa) supply types.
⚠️Warning: To ensure proper usage, please be sure to read the “instruction manual” thoroughly before using.
This product may undergo changes in specifications and other details for improvement purposes without prior notice.
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