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    LYV®️ DBB inject ball valve can meet standards such as API, DIN. Produce size range from NPS0.5 inch up to 6 inch , DN15 to DN150. Pressure rating covers ANSI Class150LB and PN6,PN10,PN16,PN25.The DBB inject ball valve has many of applications, it widely used in fields such as Chemical Processing, Pharmaceutical and more.
  • Pneumatic Forged Ball Valve

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    LYV®️ Pneumatic forged ball valve as a high-performance product that meets international standards like API-6A, API-6D, ASME-B16.34, ISO-17292 and more. LYV®️ Pneumatic forged ball valve has obtained API-6FA fire certification, which prove product has capacity to use for various fire safe requested applications. LYV®️ as a manufacturer to produce Pneumatic forged ball valve can manufacturing NPS 2” to NPS 48” Pneumatic forged ball valve, maximum pressure rating can reach to 2500LB. Furthermore, LYV®️ has conditions and experience to produce low-temperature Pneumatic forged ball valve. Contact our sales for more information.
  • Pressure Reducing valve

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  • Fully Welded Ball Valve

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  • What are the characteristics of ball valves?

    Pneumatic ball valves have a simple and compact structure, reliable sealing, and easy maintenance. The sealing surface and spherical surface are often in a closed state, which is not easily eroded by the medium and is easy to operate and maintain. They are suitable for general working media such as water, solvents, acids, and natural gas. They are mainly used to cut off or connect media in pipelines, and can also be used for fluid regulation and control.

  • How does a ball valve work?

    The working principle of a ball valve is to control the flow of fluid by rotating the ball. The main components of a ball valve include the ball body, valve seat, valve stem, and handle. When the handle rotates, the valve stem drives the ball to rotate, thereby changing the shape of the channel inside the valve body and achieving fluid on/off control.

  • Sharing of maintenance methods for pneumatic triple eccentric butterfly valve

    Pneumatic triple eccentric butterfly valve is a valve based on pneumatic actuator for switch control. It has a simple structure, easy operation, and good sealing performance, and is widely used in various industrial fields. In order to ensure its normal operation and extend its service life, we need to carry out regular maintenance work.

  • What are the Advantages of Double Offset Resilient Seated Butterfly Valve Compared with Ordinary Valves?

    Double offset resilient seated butterfly valve is an industrial valve that combines two geometric offsets with elastic sealing components.

  • Why are pneumatic valves more commonly used than electric valves for important valves?

    neumatic valves have inherent safety features. In complex working environments, there are many electrical devices and potential sources of electrical interference. Electric valves rely on electric power for operation, and when electrical faults occur—such as short circuits, leakage, overloads, or electromagnetic interference—there is a high risk of malfunction in their control systems. For example, near areas with strong electromagnetic radiation, electric valves might receive incorrect signals, causing them to open or close unexpectedly, which can pose significant safety hazards to the entire system's operation.

  • What is Cavitation in Valves? How Should We Address It?

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