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Buried Fully Welded Ball Valve

The CHINA J-VALVES Buried Fully Welded Ball Valve is a high-performance ball valve specifically designed for underground pipeline systems, widely used in fields such as oil, natural gas, chemical engineering, and urban gas. Its fully welded structure and unique design enable it to withstand high-pressure and high-temperature environments while providing excellent sealing performance and reliability. The valve can be directly buried underground without the need for large valve chambers, significantly saving installation costs and time.
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  • J-VALVES

Buried Fully Welded Ball Valve

Structural Features

  • Fully Welded Structure: The valve body adopts a fully welded process, reducing the risk of external leakage and improving the overall strength and sealing performance of the valve.

  • Buried Design: The valve surface is protected with anti-corrosive asphalt coating or epoxy resin to adapt to underground service environments. It can be directly buried underground without the need for large valve chambers.

  • Multiple Connection Methods: Offers various connection methods such as flange connection and butt-weld connection to meet different engineering requirements.

  • Fire-Safe Design: Compliant with API 607 standards, the valve maintains sealing performance even in case of fire.

  • Anti-Static Device: Built-in anti-static device effectively prevents static accumulation, reducing the risk of fire and explosion.

  • Emergency Seal Injection: Equipped with an emergency seal injection port for quick repair in case of leakage.

  • Multiple Operation Modes: Can be equipped with manual, pneumatic, electric, or hydraulic actuators to achieve remote automated control.

Technical Parameters

  • Size Range: 1/2″ to 60″ (DN15 to DN1500).

  • Pressure Class: 150LB to 2500LB (PN20 to PN420).

  • Temperature Range: -46℃ to +200℃.(specific range depends on sealing materials and working conditions)

  • Materials:

    • Valve Body: Carbon steel (A105), stainless steel (304/316), alloy steel

    • Ball: Stainless steel.

    • Stem: Stainless steel.

    • Sealing Material: PTFE, RPTFE, metal seal.

  • Connection Type: Flange connection (ASME B16.5/ASME B16.47), butt-weld connection (ASME B16.25)

  • Design Standards: API 6D

  • Testing Standards: API 598

  • Applicable Media: Oil, natural gas, water, steam, chemical media.

Application Scenarios

  • Oil and Gas Industry: Used in oil and gas field exploitation, gathering, and processing systems to ensure reliable isolation and control of media.

  • Urban Gas: Suitable for main lines and branch lines of urban gas.

  • Chemical Industry: Applicable to conveying and reaction systems of various chemical media.

  • HVAC: Used in cooling water systems, hot water systems, etc.

  • General Industrial Applications: Suitable for controlling and isolating media such as water, oil, and gas.

Advantages and Value

  • High Reliability: The fully welded structure and high-quality materials ensure stable operation of the valve under high-pressure and high-temperature environments.

  • High Safety: Fire-safe and anti-static designs, along with reliable sealing performance, effectively reduce leakage risks.

  • Easy Installation and Maintenance: The buried design simplifies the installation process and facilitates maintenance and repair.

  • Wide Applicability: Multiple material options and a broad range of pressure and temperature ranges enable it to adapt to various complex working conditions and medium characteristics.

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Zhejiang Masoneilan Valve Co.,LTD is located in Wenzhou city, Zhejiang Province, which is a VALVES center in China. Masoneilan Valve, is a manufacturer and exporter for industry valves, is a innovative enterprise including R&D, design, production, sales & service. 

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  0086 135 0664 6481
No.1188, Yongding Rd, Yongqiang Hi-tech Park, Wenzhou,Zhejiang, P.R. China 325024
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