A parallel slide gate valve is a kind of valve. It is designed to transmit flow through a piping system. Unlike other 게이트 밸브, this type is easy to install and requires little space along the pipe axis.
이 밸브는 화학 산업, 석유 산업 및 천연 가스 산업에서 사용됩니다. 일반적으로 이러한 밸브는 단조되지만 주조할 수도 있습니다. 경화 금속으로 만들어졌으며 온/오프 유체 흐름 응용 분야 모두에 적합합니다.
이 밸브는 내구성이 높고 청소가 매우 간단합니다. 그러나 조심스럽게 열고 닫아야 합니다. 실링 메커니즘의 특성으로 인해 시트가 제대로 안착되었는지 확인하는 것이 중요합니다. 시트가 변형되면 유체의 압력으로 인해 누출이 발생할 수 있습니다.
Are Parallel Slide Gate Valves Easy to Operate?
병렬 슬라이드 게이트 밸브는 작동이 매우 쉽습니다. 핸드휠, 공압 액추에이터 또는 전기 모터로 작동할 수 있습니다. 작업자는 핸드휠을 사용하여 스템에 토크를 적용합니다.
결과적으로 밸브의 작동 특성은 다른 게이트 밸브와 유사합니다. 이는 밸브가 낮은 에너지로 작동하여 펌핑 프로세스를 보다 효율적으로 만들기 때문입니다.
병렬 슬라이드 게이트 밸브를 사용하면 많은 이점이 있습니다. 가장 중요한 것 중 하나는 전체 표면을 봉인하는 능력입니다. 또 다른 장점은 화재에 안전하다는 것입니다.
병렬 슬라이드 게이트 밸브는 어떻게 작동합니까?
병렬 슬라이드 게이트 밸브는 배관 시스템의 액체 흐름을 제어하는 데 사용됩니다. 그들은 배관 시스템의 절연을 제공하며 화학 및 발전 산업에서 일반적으로 사용됩니다. 밸브는 공압 또는 전기 모터로 구동할 수 있습니다. 콤팩트한 디자인으로 파이프라인에서 사용하기에 적합합니다.
이 밸브는 고압 및 저압 조건 모두에서 밀봉을 유지하도록 설계되었습니다. 또한 매우 높은 온도에서 사용하기에 적합합니다. 정전기 방지 설계도 제공됩니다. 화재 안전 설계를 위해 유연한 흑연 개스킷도 사용됩니다.
밸브의 스프링은 업스트림 및 다운스트림 시트를 슬라이딩 접촉 상태로 유지합니다. 이렇게 하면 작동 토크가 감소합니다. 압력이 해제되면 밸브 시트가 자동으로 재설정됩니다. 이러한 방식으로 전체 표면에 걸쳐 밀봉이 이루어집니다.
Where Are Parallel Slide Gate Valves Used?
A parallel slide gate valve is a type of valve used to control fluid flow in a piping system. The valve is made of two discs that are connected through a stem.
It is mainly used for regulating fluid flow in oil and gas applications. These types of valves are easy to disassemble, clean, and repair.
A parallel slide gate valve can be driven by an electric motor or a handwheel.
Normally, the handwheel is placed above the stem and the valve can be operated manually, pneumatically, or electro-hydraulically.
Moreover, parallel slide gate valve applications include the following:
1. Power Generation
Parallel slide gate valves find extensive applications in power plants, particularly in steam and water systems.
They play a crucial role in regulating and isolating fluid flow within power generation processes, ensuring efficient and controlled operation.
2. 석유 및 가스 산업
In the oil and gas sector, parallel slide gate valves are employed for various purposes, including flow control and isolation in pipelines.
Their robust design and reliable performance make them suitable for handling the challenging conditions often encountered in oil and gas operations.
3. Refining and Petrochemicals
In refining and petrochemical facilities, parallel slide gate valves are utilized for controlling the flow of different fluids in refining processes.
Their ability to handle high temperatures and pressures makes them well-suited for applications where precise control and tight shut-off are essential.
4. Water Treatment Plants
Parallel slide gate valves are integral components in water treatment plants.
They are employed for regulating the flow of water in different stages of the treatment process, ensuring effective treatment and distribution of clean water to various points in the system.
5. Chemical Processing
Chemical plants often use parallel slide gate valves for managing the flow of various chemicals and fluids in different stages of the production process.
The valves’ design allows for reliable and precise control, contributing to the efficiency and safety of chemical processing operations.
6. HVAC 시스템
Heating, ventilation, and air conditioning (HVAC) systems incorporate parallel slide gate valves for controlling the flow of air, water, or other fluids.
These valves help in maintaining optimal conditions within HVAC systems, contributing to energy efficiency and temperature control.
7. Marine and Shipbuilding
In marine and shipbuilding applications, parallel slide gate valves are utilized for controlling fluid flow in different systems onboard vessels.
Their durable construction and ability to withstand harsh marine environments make them suitable for marine engineering.
8. General Industrial Applications
Parallel slide gate valves find widespread use in various industrial settings where precise flow control, reliable shut-off, and durability are paramount.
Their versatility makes them valuable in diverse applications across different industries, contributing to efficient and safe fluid-handling processes.
Types of Slide Parallel Gate Valves
There are several kinds of parallel slide gate valves. These depend on torque force to wedge the disc into the valve body.
Moreover, common types of slide parallel gate valves include rising stem and non-rising stem variations.
그만큼 rising stem design features a stem that moves upward when the valve is opened, providing a visual indication of the valve’s status.
In contrast, non-rising stem valves have a stem that remains stationary while the gate moves.
Both types are available with various materials and configurations to suit different applications, offering reliable performance in industries such as power generation, oil and gas, water treatment, and more.
Are Slide Parallel Gate Valves Easy to Install?
Generally, parallel-slide gate valves are compact and easy to install. Their elongated stem prevents thermal deformation and ensures strong sealing.
With their wide flat seating, they minimize the effect of minor damages on the surface.
Parallel slide gate valves are often used for applications requiring high differential pressure.
However, they are not recommended for service under hazardous conditions.
주요 요점
Parallel slide gate valves are pivotal in industries like power generation, oil and gas, and water treatment.
They come in rising and non-rising stem variations, providing flexibility for diverse applications.
The rising stem offers visual indication, while the non-rising stem caters to space constraints.
Both types boast robust construction and versatility, making them reliable choices for controlling the flow of liquids in critical processes, ensuring operational efficiency and durability in demanding environments.
