Blind Flange – 6" – Class 300 – ASME B16.5

Available for sale is a 6-inch Class 300 Blind Flange (BL) manufactured in accordance with the ASME B16.5 standard for pipe flanges and flanged fittings. This flange is designed to close off the ends of piping systems and pressure vessels, ensuring safe and reliable operation in pressurized environments.

The flange supports a Class 300 pressure rating, with a maximum working pressure of approximately 740 psi at 100°F, depending on material selection. It is available in multiple material grades including ASTM A105 carbon steel, A182 F304/F316 stainless steel, A350 LF2 low-temperature carbon steel, and A694 high-yield carbon steels (F52/F60).

Face options include Raised Face (RF), Flat Face (FF), and Ring-Type Joint (RTJ) as per specification, and it is supplied with protective coatings such as anti-rust oil, galvanization, or epoxy, depending on application.

Specifications:

– Flange Type: Blind (BL)
– Nominal Size: 6 inches (NPS)
– Pressure Class: Class 300
– Standard Compliance: ASME B16.5
– Material Options:
 • ASTM A105 (Carbon Steel)
 • ASTM A182 F304/F316 (Stainless Steel)
 • ASTM A350 LF2 (Low Temp Carbon Steel)
 • ASTM A694 F52 / F60 (High-Yield Carbon Steel)
– Facing Options: Raised Face (RF), Flat Face (FF), Ring-Type Joint (RTJ)
– Coating: Anti-rust Oil / Epoxy / Galvanized (as applicable)
– Thickness: [Specify if known]

Mechanical & Pressure Properties:
– Pressure Rating: ~740 psi at 100°F (Class 300)
– Temperature Range: –50°C to 600°C (varies by material)
– Yield Strength: [Specify]
– Tensile Strength: [Specify]

Drilling & Bolt Hole Details:
– Bolt Circle Diameter (BCD): ~8.50 inches
– Number of Bolt Holes: 8
– Bolt Hole Diameter: ~0.88 inches
– Bolt Size: 3/4"–10 UNC

For further specifications or to inquire about this equipment and ReflowX's logistics services, please contact ReflowX at info@reflowx.com