Technical Articles

Application of Magnetic Flux Leakage (MFL) Inspection Technology for Subsea Pipeline Valves

Jan Wed, 2026
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Subsea pipelines are critical links between offshore oil and gas production facilities and onshore terminals, transporting media such as crude oil and natural gas. Their safe and reliable operation...

Jan Wed, 2026
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Frequent Oil Pump Start-Stop in Ball Valve Systems at Jurong Pumped Storage Power Station

Abstract The ball valve system at Jurong Pumped Storage Power Station is equipped with two screw-type oil pumps. During the commissioning of Unit 2, the oil pumps exhibited frequent start–stop cycles...

Dec Mon, 2025
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Fault Analysis and Diagnosis of Pneumatic Globe Valves in Nuclear Power Plants

Abstract Small-bore pneumatic globe valves in nuclear power plants are subject to strict technical and safety requirements, making them a critical focus in the localization of nuclear power equipment. During...

Dec Sun, 2025
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Design and Implementation of an Automatic Coaxiality Adjustment Device for Mining Spherical Gate Valves

Abstract This paper presents the design of an automatic coaxiality detection and adjustment system developed for the ball and seat geometry of a mining spherical gate valve. The device incorporates an...

Nov Mon, 2025
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High-Pressure Ball Valve Design: Strength and Sealing Analysis

Abstract Ball valves, as essential components for regulating fluid flow, are widely employed across modern industrial sectors. However, under high-pressure conditions, their structural integrity...

Nov Mon, 2025
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Key Technologies and Design Considerations for Hydrogen Pipeline Ball Valves

Abstract: With the rapid expansion of long-distance hydrogen pipelines in China, the application of pipeline ball valves is expected to become increasingly widespread. However, China currently...

Oct Wed, 2025
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Erosion Behavior of V-Type Control Ball Valves in Coal Chemical Systems (Part Two)

2. Flow Field Simulation Analysis 2.1 Flow Field Simulation Calculation Theory 1) Turbulence Model Due to the complex internal flow path of the V-type ball valve and the large pressure gradient at the...

Oct Fri, 2025
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Erosion Behavior of V-Type Control Ball Valves in Coal Chemical Systems (Part One)

Abstract: To address the erosion and wear problems affecting blackwater valves in coal chemical process pipelines, a V-type control ball valve was selected as the research subject. Based on computational...

Sep Tue, 2025
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High-Pressure, High-Flow Ball Valve Sealing Simulation Study

Abstract This paper investigates the sealing performance of high-pressure, high-flow ball valves. Traditional sealing design methods often prove inadequate for meeting the demands of complex operating...

Sep Mon, 2025
Hits: 24

Impact of Disc Springs on Ball Valve Performance

Abstract When designing ball valves—especially trunnion-mounted ball valves—disc springs play a critical role in determining overall performance. Disc springs primarily provide sealing...

Aug Tue, 2025
Hits: 16

Nuclear-Grade Bellows Globe Valves for Hard-to-Access Areas in Nuclear Power Plants

This paper presents the detailed structural design of a nuclear-grade bonnetless bellows globe valve. Design verifications—including flow characteristics, structural stiffness, and seismic...

Aug Tue, 2025
Hits: 26

Research on Shut-off Valve Selection for the LNG Industry

Abstract: Driven by the “dual carbon” goals, the demand for natural gas and the LNG import market are expanding, making the stable and efficient operation of LNG receiving terminal equipment...

Jul Mon, 2025
Hits: 17

Micro-Crack Aging Detection Technology for Globe Valve Stems in Nuclear Power Applications

Abstract: Microcracks in the stems of globe valves used in nuclear power plants are often caused by substandard stem materials, improper heat treatment, stress concentration, pitting, intergranular corrosion,...

Jul Tue, 2025
Hits: 22

FEA and Design Optimization of Cryogenic Globe Valves

Abstract: This study presents the structural optimization of a cryogenic globe valve for liquid helium and liquid hydrogen applications using epoxy fiberglass components, aiming to reduce heat leakage...

Jun Thu, 2025
Hits: 25

Central Heating Valves: Selection and Maintenance

Abstract: With the rapid development of central heating systems, valves—an essential component—are receiving increasing attention when it comes to selection. This paper aims to explore...

Jun Thu, 2025
Hits: 27

Causes and Solutions for Filter Clogging in Wax Oil Hydrogenation Water Injection Pipelines

Abstract: Wax oil is a gas-phase product generated by the hydrogenation unit. Before entering the cold high-pressure separator, it is injected with a 1:1 mixture of desalted water and stripping purified...

May Tue, 2025
Hits: 12

Analysis of the Pros and Cons of Common Industrial Valve Types

4.1 Ball Valve The ball valve evolved from the plug valve through design optimization. Its opening and closing components use a spherical sealing structure, allowing the ball to rotate around its axis...

May Fri, 2025
Hits: 29

Pros and Cons of Valve Applications in Industrial Systems

Abstract: Valves are essential control components widely used across various industrial sectors to accurately regulate fluid flow, pressure, and direction. A typical valve consists of a valve body,...

Apr Mon, 2025
Hits: 90

Common Installation Issues of Cryogenic Valves in Petrochemical Plants and Solutions

Abstract: This paper analyzes the issue of frequent errors in the flow direction installation of cryogenic valves. By examining the structural characteristics and process design requirements of cryogenic...

Apr Sat, 2025
Hits: 126

Design of Emergency Block Valves in Petrochemical Engineering

This paper integrates domestic and international design standards to examine the principles for positioning emergency block valves in petrochemical engineering. It analyzes the specific fire...

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