1 Inch Threaded Flange (ASME B16.5)
1 Inch Threaded Flange - ASME B16.5 Class 150 A105 Forged Steel
Product Overview Our 1 inch threaded flange is engineered for high-performance piping systems where welding is either impractical or restricted. Manufactured from premium ASTM A105 forged carbon steel, this flange provides exceptional durability and pressure resistance. As a core component in our carbon steel threaded flange lineup, it strictly adheres to the ASME B16.5 standard, ensuring seamless compatibility with global industrial projects.
Technical Specifications
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Nominal Pipe Size (NPS): 1 Inch (1")
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Pressure Class: Class 150 (#150)
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Material: ASTM A105 Forged Carbon Steel
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Thread Type: NPT (National Pipe Tapered) for airtight sealing.
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Face Type: Raised Face (RF) or Flat Face (FF).
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Standard: ANSI/ASME B16.5
H2: Why Choose Our 1" NPT Flange? Designed for ease of installation, the 1 inch threaded flange requires no specialized welding equipment, making it an ideal choice for small-diameter pipelines. Whether you are searching for a 1 inch threaded flange for oil and gas applications in Texas or water treatment systems in New South Wales, our products undergo rigorous quality testing to meet industry safety benchmarks.
H2: Applications & Regional Availability This threaded pipe flange is highly versatile, commonly used in high-pressure utility lines and industrial processing plants. To support our clients' urgent project timelines, we maintain extensive stock across our key distribution hubs:
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USA: Ready to ship from Texas (Houston) and Florida.
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Australia: Available at our Sydney and Queensland warehouses, supporting the Northern Rivers and Gold Coast regions.
H2: Related Solutions If your project requires a different sealing method, explore our [ASME B16.5 Blind Flanges] for pipe end termination. We also offer [1 1/2 threaded flange] and [2 inch threaded flange] options to complete your manifold or piping system.
ASME B16.5 Class 150 Threaded Flange Dimensions Table
| Nominal Pipe Size (NPS) | Outside Dia. (O) | Bolt Circle (C) | No. of Holes | Hole Dia. | Thickness (T) | Hub Height (Y) |
| 1/2" | 3.50" (90mm) | 2.38" (60mm) | 4 | 0.62" (16mm) | 0.44" (11.5mm) | 0.62" (16mm) |
| 3/4" | 3.88" (100mm) | 2.75" (70mm) | 4 | 0.62" (16mm) | 0.50" (13mm) | 0.62" (16mm) |
| 1" | 4.25" (110mm) | 3.12" (79mm) | 4 | 0.62" (16mm) | 0.56" (14.5mm) | 0.69" (17.5mm) |
| 1 1/4" | 4.62" (115mm) | 3.50" (89mm) | 4 | 0.62" (16mm) | 0.62" (16mm) | 0.81" (20.5mm) |
| 1 1/2" | 5.00" (127mm) | 3.88" (98.5mm) | 4 | 0.62" (16mm) | 0.69" (17.5mm) | 0.88" (22.5mm) |
| 2" | 6.00" (150mm) | 4.75" (120.5mm) | 4 | 0.75" (19mm) | 0.75" (19.5mm) | 1.00" (25.5mm) |
| 2 1/2" | 7.00" (180mm) | 5.50" (139.5mm) | 4 | 0.75" (19mm) | 0.88" (22.5mm) | 1.12" (28.5mm) |
| 3" | 7.50" (190mm) | 6.00" (152.5mm) | 4 | 0.75" (19mm) | 0.94" (24mm) | 1.19" (30.5mm) |
| 4" | 9.00" (230mm) | 7.50" (190.5mm) | 8 | 0.75" (19mm) | 0.94" (24mm) | 1.31" (33.5mm) |
| 5" | 10.00" (255mm) | 8.50" (216mm) | 8 | 0.88" (22mm) | 0.94" (24mm) | 1.44" (36.5mm) |
| 6" | 11.00" (280mm) | 9.50" (241.5mm) | 8 | 0.88" (22mm) | 1.00" (25.5mm) | 1.56" (40mm) |
| 8" | 13.50" (345mm) | 11.75" (298.5mm) | 8 | 0.88" (22mm) | 1.12" (29mm) | 1.75" (44.5mm) |
| 10" | 16.00" (405mm) | 14.25" (362mm) | 12 | 1.00" (25mm) | 1.19" (30.5mm) | 1.94" (49.5mm) |
