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Drying Filter for SF6 Breakers

Drying Filter for SF6 Breakers

SKU ABS8819 Categorías ,

Passive moisture removal canisters designed for online SF₆ breakers. These units reduce moisture levels within gas-insulated equipment without interrupting operation, helping maintain gas purity and prolong equipment life. Aluminum body with highly absorbent Siliporite desiccants that can be replaced after use.

Normalmente se envía dentro de: Call For Availability

Price range: $749.99 through $2,399.99

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Humidity Absorber Dry-Down Time Estimator (SF₆ Breakers)
Estimation only. Passive connection (no intentional purge/flow). Model assumes moisture reduction is driven primarily by natural gas exchange/breathing through the connected path and a strong desiccant sink.
Best / Typical / Conservative
1) Breaker Gas & Target
 
 
Use nameplate or service records (gas charge weight).
Used to estimate gas volume from mass (ideal gas).
Minimum allowed: 32°F / 0°C (below freezing not supported).
Temperature must be ≥ 32°F (0°C).
2) Connection Geometry
 
 
Represents fittings/valves/orifices as added path resistance.
3) Calibration (Auto Model)
Scales geometry-based estimates up/down.
Qeff defaults used at reference geometry (1/4" ID, 25 ft hose, 10 ft restriction): Best 0.03 L/min, Typical 0.01 L/min, Conservative 0.003 L/min.
Model: t = (V / Qeff) · ln(x0/xf)
4) Desiccant Capacity Check (Canister)
 
Auto-selected from canister size.
Fill all required fields above to calculate.

How the Humidity Absorber Dry-Down Time Estimator Works

This calculator estimates how long a humidity absorber will take to reduce moisture in an SF₆ gas system to a desired target level.

1. Total Moisture in the System
The tool calculates how much water must be removed based on:

  • Total mass of SF₆

  • Starting moisture level

  • Target moisture level

This determines the total moisture load that must be absorbed.

2. Drying Rate Through the Absorber
Drying speed depends on the effective gas flow through the absorber media (Qeff). Because real systems have restrictions and limited circulation, the calculator provides three realistic scenarios:

  • Best

  • Typical

  • Conservative

3. Estimated Dry-Down Time
The calculator divides the total moisture to be removed by the estimated drying rate to produce an approximate drying time.

This provides a practical estimate to help technicians plan drying operations and understand how gas quantity, moisture level, and circulation affect absorber performance.

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