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TZVALVE  - The Distillation Group, Inc.

TZVALVE  - The Distillation Group, Inc.

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TZF Downcomer Flooding Accuracy<br />

TZF Model<br />

• Most accurate downcomer capacity<br />

model available<br />

• Accuracy not diminished in high<br />

pressure systems<br />

• Not conservative in low pressure<br />

systems<br />

• Downcomers are sized/rated correctly<br />

Typical Tray Vendor Model<br />

• Does not accurately predict the<br />

conditions which the downcomer<br />

will reach a capacity limit.<br />

• Conservative for low pressure<br />

systems<br />

• Optimistic for high pressure<br />

systems<br />

• Downcomers are not sized/rated<br />

correctly

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