Products
Use：
The device for a steam working pressure P = 13.72MPA; t ≤ 540 ° C power plant boiler prevent the boiler media pressure exceeds the allowable value, in order to ensure the safe operation of the boiler.
The main safety valve A49Y-PW5414V DNlOO impulse safety valve A49Y-PW5414V DN20 supporting installation.
Main parts and materials：
1.The main valve
| NO. | Part name | Material |
| 1 | Lower valve body | Chromium molybdenum vanadium steel |
| 2 | Valve | Chromium molybdenum vanadium steel+Cobalt-based alloy |
| 3 | Seat | Chromium molybdenum vanadium steel+Cobalt-based alloy |
| 4 | On the valve body | Chromium molybdenum vanadium steel |
| 5 | Stem | Chromium molybdenum vanadium steel |
| 6 | Piston | Stainless steel |
| 7 | Bonnet | Chromium molybdenum vanadium steel |
| NO. | Part name | Material |
| 1 | Body | Chromium molybdenum vanadium steel |
| 2 | Bonnet | Chromium molybdenum vanadium steel |
| 3 | Valve | Chromium molybdenum vanadium steel+Cobalt-based alloy |
| 4 | Stem | Stainless steel |
| 5 | Guide sleeve | Stainless steel |
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