Hydraulic test block valve
key word：Heat exchange element
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Product description
Hydraulic test block valve
1. Introduction
The water pressure test plug valve is installed in the outlet pipe of boiler superheater and the hot gas pipe at the outlet and inlet of reheat balance, which is used as the isolation device during the water pressure test. After water pressure, the internal plug plate is removed and used as the official channel. The next time the water pressure, the plug plate can be installed to carry out the water pressure test of the boiler system
2. Main technical data
See table 54-1 for main technical parameters
| Item | Parameter |
| Nominal (working) pressure range（MPa） | PN4.0～PN10 |
| Operating temperature range（℃） | 427~610(800～1130F) |
| Nominal size range (mm) | DN225～DN1000(9～40in) |
| Connection mode | Welding |
| Valve body material | C12A, WC9, WC6, ZG20CrMoV, 12Cr1MoV, F91, F22, F304, F316 |
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