Princípios de vedação da válvula (Parte 1)
- Jan 13, 2021
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There are many types of valves, but the basic function is the same, that is, connecting or cutting off the medium flow. Therefore, the sealing problem of the valve is very prominent. To...
Maneiras de resolver rapidamente o baixo desempenho de vedação da válvula
- Jun 16, 2020
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Atualmente,valves Moagem fina para eliminar vestígios, vedação de lacunas, melhorar a suavidade da superfície de vedação, a fim de melhorar o desempenho de vedação. 2Use força desequilibrada para aumentar...
Princípio de funcionamento da válvula de retenção
- Jun 06, 2020
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The function of the check valve is to allow the medium to flow in only one direction and to prevent flow in the opposite direction. Normally, the check valve works automatically. The...
Extensão do conhecimento-válvula de desligamento de ar
- May 26, 2020
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Some people ask why the pneumatic membrane regulating valve in the figure belongs to the air-tight type. First, check the air inlet direction of the pneumatic film, which shows positive....
Princípio de funcionamento do posicionador de válvula
- May 05, 2020
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Andando na oficina da fábrica química, você verá algunsvalves with round heads on some pipes. This is the regulating valve. We can learn some information from its keyword - "regulating", indicating that...
Selecione a válvula de segurança e a válvula de alívio
- Nov 06, 2019
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Safety valves and pressure relief valves are mainly used to protect containers, piping systems and equipment from overpressure, which are important for the safety of workers and equipment. Therefore,...
Direção de fluxo da válvula de globo
- Sep 16, 2019
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Generally, the current medium of the globe valve flows upward from the bottom of the valve seat, which is customarily called "low-in and high-out". When the valve is closed, the sealing packing...
Seleção da válvula
- Jun 27, 2019
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The selection of the valves (How to choose valves?) is critical to the long-term operation of the unit during operation. Generally, there are two general characteristics of the valves, the useage...
Expectativas da indústria de válvulas da China 2019-2023
- Jun 27, 2019
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Segundo as estatísticas, estima-se queChina valve production will reach 8.3 million tons in 2019, the chemical, energy & power and oil & gas industries are the most important markets for China valve...
Vantagens e desvantagens da válvula de portão de aço fundido
- Jun 27, 2019
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Recently, some new customers are not particularly aware of the characteristics of cast steel gate valves. Based on recent work practices, Weldon summarized the advantages and disadvantages of cast steel...
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