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AVDO self-acting constant flow controls are used to maintain a minimum flow rate ( through a low water content gas boiler) or to control diff erential pressure in a heating system. The closing of radiator or zone valves due to reduced heating demand may result in low flow and increased system diff erential pressure (potentially dead heating pumps). AVDO valves open with a falling system load and allow flow through a bypass line whenever the differential pressure through the valve exceeds set point, ensuring a minimum flow rate or a system differential pressure at minimum system load.
Danfoss Automatic Bypass Valve, 3/4 in Nominal, Union Solder Connection, 0.725 to 7.25 psi Differential, 145 psi Operating, MS 58 Forged Brass Body, EPDM Seal, 248 deg F Flow, 5.39 in L
| Body Material | : | MS 58 Forged Brass |
| Connection Type | : | Union Solder |
| Dimensions | : | 5.39 in L |
| Nominal Size | : | 3/4 in |
| Pressure Rating | : | 0.725 to 7.25 psi Differential, 145 psi Operating |
| Seal Material | : | EPDM |
| Temperature Rating | : | 248 deg F Flow |