Description
Thermodynamic steam trap for discharging condensate with virtually no banking-up. With integrated non-return valve and Y-type strainer. Asbestos free body gasket (graphite). Installation in any position.
Pressure Rating
Material
Gestra Steam trap DK 45
The thermodynamic steam trap features a movable valve disk that rests on a double seat. The condensate enters the steam trap from below, thereby lifting the disk off its seat. It is then deflected by 180° and flows through the small seat orifice into the discharge line. As the temperature of the condensate increases, upstream pressure builds up in the space above the valve disk. When the condensate evaporates into steam, a low-pressure area is formed under the disk due to the increased flow velocity, forcing the disk downwards against its bearing surface and stopping all flow. Since the pressure above the valve disk is acting on a larger surface area, the closing force is much higher than the pressure pushing against the disk from the inlet side. As the steam loses heat, some of it condenses, reducing the pressure above the valve disk and hence the closing force. As soon as the pressure on top of the disk has dropped to a value that equals the opening pressure produced by the upstream pressure, the disk is lifted off its seat, and the cycle repeats itself. External factors such as heat, wind, precipitation etc. can effect the functioning and performance of the thermodynamic steam trap considerably. However, the DK 45 is not influenced by these
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Gestra Steam trap DK 45 | Aquametro | Ari Armaturen | Asahi | Badger Meter | Beru | Condor |
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