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Bem-vindo ao Grupo de Válvulas Especiais! Como fabricante líder de válvulas de alto desempenho, nos especializamos em soluções personalizadas para aplicações industriais, de petróleo e gás e petroquímicas. Quer você precise de consultoria técnica, cotação de produtos ou suporte pós-venda, nossa equipe está pronta para ajudar. Sinta-se à vontade para nos enviar um e-mail para teji@teji-valve.com ou preencher o formulário abaixo. Responderemos à sua consulta dentro de 24 horas.

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November 21, 2025

Key Selection Considerations for Forged Steel Valves

Forged steel valves are manufactured using forging technology and are renowned for their high strength, resistance to high temperatures and pressures, and impact resistance. Their core components, such as the valve body and cover, are made of carbon steel, stainless steel, or alloy steel through high-temperature forging, eliminating casting defects such as porosity and sand holes. […]

November 17, 2025

Key Points for Valve Maintenance

Valves are crucial control components in fluid transport systems, playing an indispensable role in our daily lives, industrial production, oil transportation, and more. Although a valve is just a small component, its function is extremely important. It can perform opening and closing functions, cutting off or connecting the flow of fluid media by fully opening or […]

November 12, 2025

Double Offset Butterfly Valve: Advantages, Applications, and Installation Guide

The double offset butterfly valve achieves a “double eccentric” structure by simultaneously offsetting the valve stem axis from both the butterfly plate center and the valve body center. Compared to center-line butterfly valves, it offers greater pressure resistance, stability, and service life; it also supports metal seats and can operate at temperatures up to 500°C, extending its […]

November 8, 2025

Working Principle of a Cryogenic Double Block & Bleed Ball Valves

The Cryogenic Double Block & Bleed Ball Valves is designed for cryogenic conditions ranging from -196℃ to -46℃ and is widely used in storage and transportation systems for media such as liquefied natural gas (LNG), liquid nitrogen, and liquid oxygen. The valve body is made of cryogenically resistant materials (such as 304L and 316L), and the valve […]

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