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The AST solenoid valve HQ16.17Z is a safety protection device used in the steam turbine system, mainly used to block the flow of high-pressure steam or gas. The AST solenoid valve group is installed on the right side of the front bearing box of the steam turbine, and is assembled into an integrated block with the OPC solenoid valve. After the AST solenoid valve is activated, all 12 steam turbine valves, including the high-pressure main steam valve, high-pressure regulating valve, reheat main steam valve, and reheat regulating valve, are closed to achieve emergency shutdown of the turbine.
Working Principle of solenoid valve HQ16.17Z:
This valve controls the opening and closing of the valve through the action of electromagnetic force. When the AST solenoid valve is energized, the current inside the solenoid coil generates a magnetic field, which attracts the valve core and opens the valve; When the current is disconnected, the electromagnetic force disappears, the valve core is subjected to the action of the spring, and the valve closes.
The tripping operation of AST solenoid valve HQ16.17Z is usually achieved through linkage with the monitoring and control system. The monitoring system monitors key parameters such as pressure, flow rate, etc. When the parameters exceed the predetermined safety range, the control system will trigger a trip operation, close the AST solenoid valve, and thus interrupt the flow of high-pressure steam, protecting system safety.
| Technical Specification of Solenoid Valve HQ16.17Z for Reference | |
| PRODUCT | SOLENOID VALVE |
| SERIES | SIZE 10, 12, 16, 20 |
| VOLTAGE RATING | 220 VOLT |
| VOLTAGE TYPE / PROTECTION | AC / WITH FULL BRIDGE RECTIFIRE |
| CONNECTOR TYPE | DIN 43650-A |
| LEAD LENGTH | NONE |
| SPECIAL FEATURE | NONE |
Yoyik offers different types of Hydraulic solenoid valves for industrial users:
OPC solenoid valve coil SV13-12V-C-0-00
AST solenoid valve 4659D78001
OPC solenoid valve SV4-10V-C-0-220AG
Coil for Solenoid valve MFB-2.5YC
Solenoid valve coil CCP 024D
AST solenoid valve HY-FXF10.04
electric valve SV13-12V, 0-0-0-0, H016.14Z
solenoid valve GS020600V
solenoid valve+coil GS068300N
AST solenoid valve SV1-10V-C-0-00
AST solenoid valve SV4-10V-0-0-00
AST solenoid valve SV4-10V-O-0-220AG
OPC solenoid valve 4659D78002
solenoid valve coil 02-178108
solenoid valve GS021600V
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