3″-150LB A105N Floating Ball Valve

TECHNICAL DATA SHEET

Product Name: 3″ 150LB A105N Floating Ball Valve

1. Product Description

This is a 3-inch, Class 150 floating ball valve constructed from A105N Carbon Steel. It is designed for general industrial applications, providing reliable on/off service in oil, gas, water, and process pipelines. The floating ball design ensures a tight seal by allowing line pressure to push the ball against the downstream seat. The valve is suitable for bi-directional flow shut-off.

2. 主な特徴

• Floating Ball Design: The ball is not fixed; it floats between the seats. Upstream pressure forces the ball against the downstream seat, creating a tight seal.
• Material: Body and major components made from ASTM A105N (Normalized Carbon Steel), offering good mechanical properties for a wide range of temperatures and pressures.
• 圧力クラス: Designed to ASME Class 150 standards.
• Blowout-Proof Stem: The stem is designed with an internal shoulder to prevent it from being ejected under line pressure.
• Anti-Static Device (Optional): Available with springs and balls to ensure electrical continuity between the ball, stem, and body, preventing static charge accumulation.
• Fire-Safe Design (Optional): Can be supplied with fire-safe certification to API 607 / API 6FA.
• Low Operating Torque: Precision machined ball and seats ensure smooth and easy operation.

3. Technical Specifications

4. Material of Construction

*Note: For A105N body valves, the ball and stem are typically made of Stainless Steel (13% Cr or 18-8 SS) to provide corrosion resistance for the sealing surfaces.*

5. Applicable Standards

• Design & Manufacture: API 608, ASME B16.34, ISO 17292, API 6D (optional)
• Face-to-Face Dimensions: ASME B16.10 / Manufacturer’s Standard
• Flange Dimensions: ASME B16.5 (Class 150 RF)
• Fire-Safe Test: API 607 (Optional)
• Inspection & Testing: API 598 / EN 12266-1

6. Dimensions (Reference: mm / inches)

Dimensions are typical for a Class 150 Flanged Floating Ball Valve. For exact dimensions, please refer to manufacturer’s drawing.

Flange Details (ASME B16.5 Class 150 RF):

7. Test Pressure (Hydrostatic – Per API 598)

Disclaimer: The information provided above is based on standard industry practices. For physical specifications and custom configurations, please refer to the official drawings or consult the factory. It is recommended to verify material compatibility for specific media and operating conditions.

Note on A105N: “N” stands for Normalized heat treatment, which refines the grain structure of the carbon steel, improving its uniformity and toughness compared to standard A105.

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