Air bleeding valve, intake / exhaust valve, vent valve / positive pressure relaxer for drainage AF-4M type air bleeding valve
- Where to use
- Building equipmentFactory equipment
Major features
- A swing valve body is used to improve airtightness.
- The amount of emissions is relatively large.
- The structure is simple and maintenance is easy.
specification
| Product code | AF4M-G |
|---|---|
| Valve type | Air vent valve |
| type | For high temperature |
| Nominal diameter | 15-32 (1/2-1 1/4) |
| Applicable fluid | Water / hot water / oil (specific gravity 0.9 or more) |
| Fluid temperature | 5 to 150 ° C |
| Applicable pressure | 1.0MPa or less |
| End connection | JIS Rc screw |
| Painting or coating coating | Inner surface: rust preventive oil Outer surface: heat resistant silver |
| Mounting posture | Upright mounting within 5 ° from the vertical |
| Material body | FC |
| Material Valve body | SUS |
| Material Valve seat | SUS |
| Material float | SUS |
- If you do not want to rust inside, use AF-4CN, 5N, 10, 10H, 17N, 22N type.
- For the specifications of the Ministry of Land, Infrastructure, Transport and Tourism, use AF-5N, 10, 10H, 17N, 22N types.
Download materials
Frequently Asked Questions and Explanations
How should I handle the knob and thumbscrew on the top of the air vent valve body? (There is a video in the answer details)
Keep the knob and thumbscrew open during normal operation (fixed at the time of shipment). In the event of water leakage, the knob closes the plug. (After that, disassemble and repair immediately.)
What happens to the operation if the applicable pressure is exceeded?
It will be in an exhaust impossible state.
I would like to install an air vent valve on the suction side of the pump.
Use the AF-9 type when the suction side of the pump or other functions that only discharge air but do not suck air are required.
Inquiries about this product
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