Jun 09, 2025
Abstract To address the operational requirements for media connection and isolation in petrochemical pipelines, a three-pipe intersection layout is often adopted by design institutes due to limitations...
Jun 06, 2025
5. Design of Pneumatic Track Ball Valves 5.1 Structure and Materials In the design of pneumatic track ball valves, structural optimization and material selection are critical to ensuring stability...
May 29, 2025
Abstract Valves are critical components in the pipeline systems of offshore oilfield chemical flooding surface facilities. Their selection directly impacts the operational performance of chemical flooding...
May 26, 2025
Abstract In response to the national initiative to localize key equipment for oil and gas pipelines, this paper focuses on the unique operating conditions and technical requirements of marine engineering....
May 14, 2025
2.1 Test Results and Analysis for Globe Valve Packing The friction and leakage data recorded after 200 reciprocating movements of globe valve stems with varying surface roughness are presented in Table...
May 06, 2025
Abstract This study systematically analyzes the impact of valve stem surface roughness and packing type on sealing performance. By testing valve stems with varying roughness levels (Ra 0.2, Ra 0.4, Ra...
Apr 28, 2025
Abstract: The ball valve, a critical component in the pumped storage power station unit, is installed between the pressure steel pipe and the volute to prevent accidents caused by guide vane failure. This...
Apr 19, 2025
Abstract A set of practical quality test methods for underwater directional control valves (DCVs) was developed based on the API STD 17F-2017 standard. The tests cover external pressure, internal pressure,...
Apr 09, 2025
Abstract This study investigates a titanium alloy floating ball valve with a nominal diameter of 65 mm. ABAQUS software is used to analyze the shell strength, valve seat sealing, and fatigue life under...
Apr 05, 2025
During the operation of long-distance liquid pipelines in aerospace liquid rocket engine test benches, various factors may lead to failures. A pneumatic valve failure can compromise liquid transportation...
Mar 31, 2025
Abstract Erosion in ball valves operating in solid particle-laden fluids impacts their reliability and service life. This study investigates the flow field characteristics and erosion mechanisms of metal...
Mar 27, 2025
Abstract The soft-seated ball valve is a widely used valve, favored for its fast operation, simple structure, and reliable sealing. The polymer used in the valve seat plays a key role in determining...
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