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Performance and Design Optimization of Pneumatic Orbital Ball Valves in Harsh Marine Conditions

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...

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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 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...

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Dynamic Water Closing Test of Ball Valve in High-Head Pumped Storage: Performance Analysis

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...

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Design of a Quality Test Method for Underwater Directional Control Valves

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,...

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Finite Element Analysis of Titanium Floating Ball Valve Seats

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...

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Troubleshooting of Pneumatic Quick-Closing Ball Valves

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...

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Flow Field Characteristics and Erosion Mechanisms in Ball Valves with Various Seat Structures

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...

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Materials of Soft-Seated Ball Valve Seats

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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Durability Testing of Soft-Seated Gate Valves for Water Supply and Drainage

Mar 12, 2025

This study evaluates the durability of soft-seated gate valves used in water supply and drainage systems through comprehensive testing and analysis. Long-term pressure cycling tests, consisting of repeated...

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