Measures to Prevent the Breakage of the Power Station Valve Stem
- Jul 27, 2022
- Hits: 14
According to the actual operation of the power station, the structural design of the valve stem should be further improved and perfected, the torsional moment that the valve stem can bear should be increased,...
Reasons for the Fracture of the Valve Stem of the Power Station Valve (Part Two)
- Jul 12, 2022
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1.4 Tests (1) Finite element simulation tests Through the preliminary analysis of the reasons for the failure of the valve stem of the above-mentioned failures, it is understood that there is a certain...
Reasons for Fractures of Valve Stems of Power Station Valves (Part One)
- Jun 29, 2022
- Hits: 14
Abstract: Taking the fracture of the valve stem of a power station as the test object, through the research and analysis of various factors causing the valve stem of the power station to break, the targeted...
Shock Resistance of Nuclear Grade Electric Gate Valves (Part Two)
- Jun 07, 2022
- Hits: 8
5. Static analysis 5.1 Boundary condition setting In the process of static analysis, the inlet and outlet of the gate valve are set as fixed constraints, and the load is applied to the gate valve system...
Shock Resistance of Nuclear Grade Electric Gate Valves (Part One)
- May 26, 2022
- Hits: 14
To study the shock resistance of nuclear-grade electric gate valves, a finite element model of the nuclear-grade electric gate valve under the combined action of design pressure, temperatures and design...
Application of Cemented Carbide Hardfacing Technology to Various Fields
- May 16, 2022
- Hits: 21
Hardfacing is the process of hardening the surface of wear-resistant parts. In the production and processing of cemented carbide, hardfacing technology is often used. Cemented carbide hardfacing technology...
The Problems Occurring in Valve Clacks of Safety Valves
- Apr 21, 2022
- Hits: 15
Safety valve discs are not stable. The valve disc frequently pops or flutters. Frequently popping refers to the fact that after the safety valve gets back on its seats, it will open again after the pressure...
Stainless Steel 304 and 304L Used for Vavles
- Apr 08, 2022
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1. What is stainless steel? Stainless steel is a type of steel. Steel refers to steel containing less than 2% of carbon, and steel with a carbon contect of more than 2% is iron. The addition of chromium...
Mechanical Traps
- Mar 29, 2022
- Hits: 12
The mechanical traps use the density difference between the condensed water and the steam, and through the change of the condensed water level, the float lifts and drives the disc of the valve to...
Abnormal Opening & Closing and Leakages of Safety Valves
- Mar 07, 2022
- Hits: 15
Opening and closing over set pressure means that the equipment is opened or closed over its set pressure. In this case, the overload protection function of the safety valve loses, and the reasons...