SCI Air Valves have been especially designed to allow the most efficient method of releasing or admitting air during the filling and emptying pipelines or vessels and the release of air accumulating in pipelines during normal working conditions.
| Size (DN) | A | A1 | Dia. B | Weight (kg) / FIG 411 | Weight (kg) / FIG 412 |
|---|---|---|---|---|---|
| 25 | 176 | 144 | 114 | 3 | 4 |
| 40 | 192 | 155 | 126 | 4.5 | 5 |
| 50 | 250 | 209 | 190 | 10 | 13 |
| 80 | 262 | 213 | 200 | 13 | 17 |
| 100 | 272 | 217 | 220 | 17 | 22 |
| 150 | N/A | 295 | 230 | N/A | 35 |
Specifications
.Size: 25-150mmFeatures
- Resilient orifices: seal from very low to high working pressure (0.1-25.0 bar)
- ABS float: proven long lasting material specific gravity (0.75-0.80)
- No protruding levers: this feature reduce maintenance and servicing to a minimum
- No premature closing
- Standard: comply with JIS B2063
- Small orifice: automatically releases accumulated are in pipelines
- Large orifice: automatically releases or admits large volume of are for efficient filling or emptying of pipelines to protect against vacuum or pipeline damage
- Double orifice and high speed (quick type): The combination of small and large orifice becomes a single unit
- Double orifice with integral isolating valve: the combination of small and large orifice plus integral isolation valve becomes a single unit
- Materials used in construction:
- Body and cover: cast iron or spheroid graphite iron
- Orifice and sealing ring: molded synthetic rubber
- Float: ABS (Acrylonitrile butadiene styrene) / stainless steel
- Float guide: ABS / gunmetal / cast iron
Main Products
steel pipe and fittings for waterworks