Venn Co.
Venn AFV-4N type intake / exhaust valve
Manufacturer: Venn Co., Ltd.
Model: AFV-4N
Features
- It provides a large air intake when negative pressure occurs.
- This is the rapid intake function.
- In addition, it reliably discharges air even under pressure.
- This is the exhaust-under-pressure function.
- Moreover, it releases a large amount of air during initial water flow.
- This supports quick initial exhaust.
- Furthermore, no water discharge during air exhaust.
- The intake and exhaust ports can rotate 360°, which makes installation easy.
- A strainer also builds into the intake side.
- The body makes of stainless steel
- As a result, it is ideal for stainless steel water supply piping.
- This applies to the AFV-5 type.
Specifications
| Product code | AFV4N-F |
|---|---|
| Valve type | Intake and exhaust valves |
| type | Made of bronze |
| Nominal diameter | 20/25 (3/4/1) |
| Applicable fluid | Tap water |
| Fluid temperature | 5-40 ℃ |
| Applicable pressure | 0.01-1.0MPa (Always secure a valve inlet pressure of 0.01MPa or more.) |
| End connection | Entrance: JIS R screw , Intake / exhaust port: JIS R c1 screw |
| Inspiratory volume | Rapid intake type Nominal diameter 20:13 L / s (standard condition) [At valve differential pressure 2.9 kPa] Nominal diameter 25:16 L / s (standard condition) [At valve differential pressure 2.9 kPa] |
| Mounting posture | Upright mounting within 5 ° from the vertical |
| mass | 1.3kg |
| Material body | CAC406 |
| Material Valve body | PP resin / CAC / EPDM |
| Material Valve seat | PP resin / CAC / EPDM |
| Material float | PP resin |
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