AirTAC
AirTAC GA315 Series Reverse Flow Valve
Product Made in Japan
Manufacturer: AirTAC Co., Ltd.
Model: GA315 Series
Product Feature
- This reverse flow valve can be used with a GA series regulator but can not be ordered individually.
- When it is used with a GA series regulator, one only needs to change the seal board in the back of the regulator for the reverse flow valve. It is convenient to install and won’t change the external dimension of regulator.
Applicable Products
| Reflux valve type\Appplicable products’s type | GA F.R.L Comtination | GA FR.L Comtination | GA Filter & regulator | GA Regulator |
|---|---|---|---|---|
| GAR200-P1 | GAC200 | GAFC200 | GAFR200 | GAR200 |
| GAR300-P1 | GAC300, 400, 500, 600 | GAFC300, 400, 500, 600 | GAFR300, 400, 500, 600 | GAR300, 400, 500, 600 |
Ordering Code
When GA series regulator is assembled with the reverse flow valve, the valve can be ordered together with the standard product. What needs to do is to add “-K” to the end of the ordering code of the standard product. Please refer to relevant content for more detailed order method.
Inner Structure
| No. | Item | Material |
|---|---|---|
| 1 | Reverse flow valve’s body | POM |
| 2 | Plug | 6061C-T6 |
| 3 | O-ring | NBR |
| 4 | Spring | SUS304 |
| 5 | Gasket | NBR |
| 6 | Steel ball | SUS304 |
Working Principle
Normally, as the pressure of intake (IN) is higher than the set valve (pressure of outlet), the reverse flow valve closed; if the pressure of intake (IN) is cut off and starts exhaust, reverse flow valve opens. The pressure of diaphragm chamber is exhausted from IN orifice. At this moment, the pressure of diaphragm chamber decreases and the diaphragm is pressed down by the force from adjusting spring to open valve. The pressure from outlet is exhausted from IN port.
Example of Resemble the reflux valve
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