High pressure heater inlet valve and check valve
key word：Heat exchange element
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Product description
High pressure heater inlet valve and check valve
1. Introduction
The inlet valve and check valve of the high pressure heater are respectively installed at the inlet and outlet of the high pressure heater. When the inlet valve closes the inlet of the high-pressure heater and the check valve closes the outlet of the high-pressure heater, the feed water enters the boiler through the bypass and the high-pressure heater stops running, thus protecting the high-pressure heater.
2. Main technical parameters (see table 43-1)
Table 43-1 main technical parameters of high pressure heater inlet valve and check valve
| Item | Parameter |
| Nominal (working) pressure range（MPa） | 20～32 |
| Operating temperature range（℃） | ≤450（≤842℉） |
| Nominal size range (mm) | DN175～DN350(7～14in) |
| Connection mode | Flange or welding |
| Valve body material | WCB |
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