DY522A DY517A Colector digital

Juego de manómetros digitales

Las válvulas de bola y las válvulas de tapón son tipos comunes de válvulas de control de flujo, cada una con sus propias características y ventajas. A continuación se presentan varias ventajas de las válvulas de bola en comparación con las válvulas de tapón:

1.Operación rápida 2.Baja pérdida de presión 3.Buen rendimiento de sellado 4.Versatilidad 5.Resistencia a la corrosión

DUOYI ofrece venta al por mayor, OEM y personalización

Proveedor profesional de equipos de prueba de fabricación para brindar una opción nueva y rentable al mercado mundial.

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  • Duoyi’s First Successful Exhibition at the 2025 Beijing HVAC Show.

    Duoyi’s First Successful Exhibition at the 2025...

    Guangzhou Duoyi Electronics Co., Ltd. participated in the Beijing China International Exhibition and will attend its first exhibition in 2025. The next event will be the China hvac Refrigeration Expo...

    1 comentario

    Duoyi’s First Successful Exhibition at the 2025...

    Guangzhou Duoyi Electronics Co., Ltd. participated in the Beijing China International Exhibition and will attend its first exhibition in 2025. The next event will be the China hvac Refrigeration Expo...

    1 comentario
  • Duoyi Successfully Concludes the 2024 Trade Show Season with Excellence

    Duoyi Successfully Concludes the 2024 Trade Sho...

    Duoyi to Participate in the 2025 China Shanghai Refrigeration Expo Exciting new products will be showcased, including advanced digital manifolds, refrigerant leak detectors, refrigerant quality analyzers, and more. We welcome...

    8 comentarios

    Duoyi Successfully Concludes the 2024 Trade Sho...

    Duoyi to Participate in the 2025 China Shanghai Refrigeration Expo Exciting new products will be showcased, including advanced digital manifolds, refrigerant leak detectors, refrigerant quality analyzers, and more. We welcome...

    8 comentarios
  • Quick overview of all DUOYI ground resistance testers’ simple introductions.

    Quick overview of all DUOYI ground resistance t...

    DY4100: 3-wire ground resistance, lower price. DY4100A: 3-wire ground resistance, photovoltaic voltage, more convenient to use. DY4100B: 4-wire ground resistance, photovoltaic voltage, soil testing, easy to use. DY4300: 4-wire ground...

    8 comentarios

    Quick overview of all DUOYI ground resistance t...

    DY4100: 3-wire ground resistance, lower price. DY4100A: 3-wire ground resistance, photovoltaic voltage, more convenient to use. DY4100B: 4-wire ground resistance, photovoltaic voltage, soil testing, easy to use. DY4300: 4-wire ground...

    8 comentarios
  • Duoyi New Digital manifold - Affordable Digital Manifold with Condensation/Evaporation Readings, Pressure Holding & Vacuum Functions

    Duoyi New Digital manifold - Affordable Digital...

    Duoyi is a leading manufacturer of HVAC industry tools from China. Our Duoyi products are 20% more affordable compared to other brands. ✅ Duoyi guarantees high quality, increased production efficiency, and optimized product yield. ✅...

    Duoyi New Digital manifold - Affordable Digital...

    Duoyi is a leading manufacturer of HVAC industry tools from China. Our Duoyi products are 20% more affordable compared to other brands. ✅ Duoyi guarantees high quality, increased production efficiency, and optimized product yield. ✅...

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