TECHNICAL DATA SHEET
Product Name: 3″ 150LB A105N Floating Ball Valve
- 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.
- Fitur Utama
- 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.
- Kelas Tekanan: 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.
- Technical Specifications
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Parameter
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Spesifikasi
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Ukuran Nominal
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3 inches (DN80)
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Peringkat Tekanan
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Class 150 LB
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Working Pressure
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Up to 285 PSI @ 100°F (approx. 19.6 bar @ 38°C) *Refer to ASME B16.34 pressure-temperature chart*
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Kisaran Suhu
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-29°C to 232°C (-20°F to 450°F) (For PTFE seats) -29°C to 427°C (-20°F to 800°F) (For PEEK / Metal seats)
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Jenis Lubang
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Full Bore (Standard) / Reduced Bore (Optional)
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End Connections
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Flanged Ends (Raised Face) to ASME B16.5
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Operasi
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Lever Handle (with locking device) / Worm Gear / Actuator Mounting
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Flow Direction
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Bi-directional
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- Material of Construction
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Part Name
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Material / Standard
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Tubuh
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ASTM A105N (Carbon Steel, Normalized)
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Bonnet / End Cap
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ASTM A105N (Carbon Steel, Normalized)
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Bola
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ASTM A351 CF8 (Stainless Steel 304) / A351 CF8M (Stainless Steel 316)
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Tangkai
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ASTM A564 17-4 PH / A479 316 (Stainless Steel)
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Seat (Sealing Ring)
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PTFE (Virgin / Glass Filled) / RPTFE / PEEK / Nylon
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Seat Gasket / Insert
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Deformed PTFE / Deformed Graphite
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Body Gasket
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Spiral Wound 304/Graphite / Solid PTFE
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Packing
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PTFE V-Ring / Graphite / Chevron Packing
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Thrust Washer
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PTFE / Carbon Filled PTFE / Stainless Steel + PTFE
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Handle
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Carbon Steel / Besi Ulet
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Bolting / Nuts
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ASTM A193 B7 (Studs) / ASTM A194 2H (Nuts)
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*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.*
- 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
- Dimensions (Reference: mm / inches)
Dimensions are typical for a Class 150 Flanged Floating Ball Valve. For exact dimensions, please refer to manufacturer’s drawing.
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Size (NPS)
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L (Face-to-Face) mm
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L (Face-to-Face) inch
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H (Open Height) mm
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W (Handle Length) mm
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Weight (approx. kg)
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3″ (DN80)
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203 mm
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8.00 inch
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165 mm
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400 mm
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18 – 22 kg
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Flange Details (ASME B16.5 Class 150 RF):
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Ukuran
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Flange OD
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Bolt Circle Dia.
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Bolt Hole Quantity
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Bolt Hole Size (Inch)
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3″
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190 mm (7.5 inch)
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152.4 mm (6.0 inch)
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4
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3/4 inch
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- Test Pressure (Hydrostatic – Per API 598)
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Test Procedure
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Pressure (PSI)
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Pressure (Bar)
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Shell (Body) Test
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450 PSI
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31.5 Bar
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High-Pressure Seat Test
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420 PSI
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28.9 Bar
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Low-Pressure Seat Test
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80 PSI
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5.6 Bar
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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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