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49-60 of 172 results
Structural Design Optimization of Ultra-High-Pressure Ball Valves
August 8, 2025
Abstract: This article details the structural design optimization of a domestically produced ultra-high-pressure (UHP) ball valve utilized in a national oil and gas field project. It outlines...
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Water Pressure Management Valves: Performance and Use
August 6, 2025
With rapid urbanization, the stability and safety of water supply systems have become increasingly critical. As essential components of these systems, valves play a key role in ensuring operational efficiency...
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Impact of Bonnet Flange Thickness on Control Valve Strength: A Finite Element Study
July 9, 2025
Abstract: This study analyzes the effect of flange thickness on control valve bonnet strength using finite element analysis, comparing stress distributions in one-piece and split bonnet designs. The...
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Root Cause Analysis of Cracking in Welded Flange Globe Valve Bodies
July 4, 2025
Abstract: This study investigates suspected crack defects in the valve body of a welded flange globe valve used in a process station. The root causes of cracking were analyzed through chemical...
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Low-Temperature Leakage in Metal-seated Ball Valves: Causes and Countermeasures
June 25, 2025
Abstract: This paper investigates the failure mechanisms of metal-seated ball valve seals under low-temperature conditions and examines how factors such as deformation and shrinkage of sealing materials,...
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Ball Valve Maintenance and Troubleshooting Technology in Natural Gas Transmission Pipelines
June 19, 2025
Abstract: With the growing demand for natural gas, transportation pipelines have expanded rapidly, and ball valves serve as critical components within these systems. This paper analyzes the structure...
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Y-Type Three-Way Ball Valve with Mechanical Interlock
June 9, 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...
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Performance and Design Optimization of Pneumatic Orbital Ball Valves in Harsh Marine Conditions
June 6, 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...
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Optimized Valve Selection for Offshore Chemical Flooding Surface Facilities
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...
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Localization and Performance Optimization of Pneumatic Track Ball Valves for Marine Engineering
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....
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Impact of Valve Stem Surface Roughness on Packing Sealing Performance: Test Results and Analysis
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...
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How Stem Roughness Affects Valve Sealing
May 6, 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...
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Total 172 Records, 12 records per page