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1/2"X1/2" Flange&Thread Carbon Steel A105N DBB Ball Valve

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The CHINA J-VALVES 1/2″X1/2″ Flange & Thread Carbon Steel A105N DBB Ball Valve is a high-performance Double Block and Bleed (DBB) ball valve, designed for industrial applications requiring high reliability and corrosion resistance. Constructed from ASTM A105N carbon steel, the valve offers excellent corrosion resistance and high strength, making it particularly suitable for high-pressure environments in industries such as petroleum, natural gas, and chemical engineering. Its flange and thread connection methods ensure reliable and tight installation, while the manually operated handwheel facilitates on-site operation and maintenance.
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  • J-VALVES-BV-14

  • J-VALVES

  • 8481804090

1/2"X1/2" Flange&Thread Carbon Steel A105N DBB Ball Valve

Structural Features

  • Carbon Steel Material: The valve body is made of ASTM A105N carbon steel, featuring high strength and good corrosion resistance.

  • Double Block and Bleed Function: Adopts a double-ball design to achieve dual isolation, ensuring no medium leakage during maintenance or overhaul. Equipped with a bleed port, it allows safe discharge of residual medium in the pipeline after isolation.

  • Flange and Thread Connections: Provides two connection methods—flange connection and thread connection, complying with ASME B16.5 and ASME B1.20.1 standards to ensure reliable and tight installation.

  • Fire Safety Design: Complies with API 607 standards, ensuring the valve maintains sealing performance even in case of fire to prevent medium leakage.

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

  • Stem Blow-Out Prevention Design: The stem adopts a blow-out prevention design to ensure operational safety.

  • Compact Design: Small in size and lightweight, facilitating installation and integration into existing systems.

Technical Parameters

  • Size: 1/2″X1/2″ (DN15 X DN15)

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

  • Temperature Range: -29℃ to +425℃

  • Material:

    • Valve Body: ASTM A105N

    • Ball: A105/ENP

    • Stem: A182 F304, F316

    • Sealing Material: PTFE, RPTFE

  • Connection Type: Flange connection (RF), Thread connection (NPT, BSPT)

  • Operation Mode: Manual (handwheel operation)

  • Design Standards: API 6D, ASME B16.34

  • Testing Standards: API 598, ISO 5208

  • End-to-End Dimensions: Compliant with ASME B16.10 standards

Application Fields

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

  • Chemical Industry: Suitable for transportation and reaction systems of various chemical media, preventing medium leakage and ensuring production safety.

  • Pharmaceutical Industry: Applied in pipeline systems during pharmaceutical production to ensure medium isolation and cleanliness in the drug manufacturing process.

  • Food and Beverage Industry: Meets food-grade requirements, used in pipeline systems for food and beverage production to ensure hygiene and safety.

  • HVAC: Used in cooling water systems, hot water systems, etc., to ensure efficient operation of the system.

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

Advantages and Value

  • High Reliability: The carbon steel material and double block design ensure stable operation of the valve in high-pressure and high-temperature environments, reducing maintenance frequency and downtime.

  • High Safety: Fireproof and anti-static designs, along with reliable sealing performance, effectively reduce the risk of leakage and ensure the safety of personnel and equipment.

  • Easy Installation and Maintenance: Flange and thread connection methods simplify the installation process and facilitate maintenance and repair.

  • Wide Application Range: Multiple material options and a wide range of pressure and temperature make it adaptable to various complex working conditions and medium characteristics.

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