251 Air Separator, 3/4 in, FNPT, Brass
PartCLF251003A
MFG251003A
Description
Caleffi DISCAL® Air Separator, Series: 251, 3/4 in Nominal Size, FNPT Connection, 150 psi Working, -20 to 320 deg F, Suitable Media: Water/Glycol Solution, Brass, 3 in W x 6-7/8 in H
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- Air separators are used to continuously eliminate air from the primary circuits of solar heating systems
- The air vent capacity of these devices is extremely high
- They are able to automatically remove all the air from the solar circuits, including micro bubbles
- The circulation of fully separated fluid allows the system to work under optimal conditions without any trouble with noise, corrosion, local overheating and mechanical damage
- This particular series of air separates has been specifically designed to work at high temperature with a glycol medium, which is typical of solar heating systems
- 1/2 in FNPT drain
- 150 psi maximum discharge pressure
- Chrome plated brass body
- Internal element: Stainless steel
- Max percentage of glycol: 50%
The removal of dissolved gases from a solar primary circuit is an essential process in a solar heating system. The presence of dissolved oxygen in a solar circuit causes rapid localized corrosion in collectors and heat exchangers. Carbon dioxide will dissolve in water, resulting in low pH levels and the production of corrosive carbonic acid. Low pH levels in a solar circuit causes severe acid attack throughout the solar heating system. While dissolved gases and low pH levels in the solar circuit can be controlled by the addition of chemicals, it is more economical and thermally efficient to remove these gases mechanically. This mechanical process is known as air separation and will increase the life of a solar heating system dramatically.
| Type | Air |
| Series | 251 |
| Nominal Size | 3/4 in |
| End Style | FNPT |
| Material | Brass |
| Connection Type | FNPT |
| Dimensions | 3 in W x 6-7/8 in H |
| Suitable Media | Water/Glycol Solution |
| Temperature Rating | -20 to 320 deg F |
| Working Pressure | 150 psi |
| Brand | Caleffi |
| UNSPSC | 40161700 |
| Manufacturer | Caleffi |
| UPC | 8016615192391 |
| Manufacturer Part Number | 251003A |
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For Solar Heating Systems
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