Hot pressed tee
key word：Heat exchange element
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Product description
Hot pressed tee
1. Introduction
1.1. Purpose
The hot pressed tee is mainly used as the connector between the main pipe and branch pipe of steam water pipe in power station, and also used as the connector of petroleum and chemical pipeline.
1.2. Structural features
1.2.1. Structural form series: T-shape.
1.2.2. Interface series: equal diameter and different diameter.
1.2.3. Dimension series: inner diameter series, outer diameter series, inner diameter and outer diameter series.
2. Main technical parameters and product appearance
2.1. Main technical parameters (see table 73-1)
Table 73-1 main technical parameters of hot pressed tee
| No. | Item | Data |
| 1 | Structure type | T-shaped, regular Y-shaped (or spherical), oblique Y-shaped |
| 2 | Design temperature T (℃) | Determination of parameters |
| 3 | Design pressure p [MPa(g)] | Determination of parameters |
| 4 | Interface specification a(mm):IDXT or ODXT | Determination of parameters |
| 5 | Interface specification b(mm):IDXT or ODXT | Determination of parameters |
| 6 | Steel grade | Determination of parameters |
| 7 | Straight length L1 (mm) | Determination of parameters |
| 8 | Straight length L2 (mm) | Determination of parameters |
| 9 | Straight length L3 (mm) | Determination of parameters |
| 10 | Stress increase factor SIF | Determination of parameters |
| 11 | Weigh (kg) | Determination of parameters |
2.2. Product appearance (see figure 73-1)
3. Selection method
Name, design parameters, interface specification, steel grade, supply status and quantity are given, and ordering drawings and technical requirements are provided. In addition to the requirements provided by users, the groove forms shall be in accordance with DL/T869-2004 technical specification for welding of thermal power plants.
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