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ASME B16.47 Weld Neck Flange – 30" – Class 300 – Series A

ReflowX SKU: REF-6712

Product Details

Quantity

6
Availability (Lead Time)

N/A
Product Location

United Arab Emirates
Condition

New
OEM

ReflowX
Equipment code

CFIHOS-30000304

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Short Description

ASME B16.47 Series A 30" Class 300 Weld Neck flange designed for large-diameter, medium-pressure service. Precision-machined with 28 bolt holes, suitable for industrial fluid handling systems.

Description

ASME B16.47 Weld Neck Flange – 30" – Class 300 – Series A

Available for sale is a 30-inch Class 300 Weld Neck Flange, manufactured in accordance with ASME B16.47 Series A standards for large-diameter steel flanges. Designed to withstand medium-to-high pressure environments, this flange is well-suited for critical industrial piping systems in oil & gas, power generation, and chemical processing applications.

This flange is precision-engineered from high-performance materials including carbon steel (ASTM A105, A350 LF2), stainless steel (A182 F304/F316/F321), and alloy steels (A182 F11/F22/F91). The facing type may include Raised Face (RF) or Ring-Type Joint (RTJ) depending on sealing requirements. Protective surface coatings such as anti-rust oil, epoxy, or galvanized finishes are applied as required for corrosion resistance and extended service life.

Specifications:

– Flange Type: Weld Neck (WN)
– Nominal Pipe Size (NPS): 30 inches
– Pressure Rating: Class 300
– Standard Compliance:
• ASME B16.47 Series A (Large Diameter Flanges)
• ASME B16.5 (If smaller flanges in assembly)
– Material Options:
• ASTM A105 / A350 LF2 (Carbon Steel / Low Temp)
• ASTM A182 F304 / F316 / F321 (Stainless Steel)
• ASTM A182 F11 / F22 / F91 (Alloy Steel)
• ASTM A707 (High-Strength Carbon Steel)
– Facing Type: Raised Face (RF) / Ring-Type Joint (RTJ) (Specify if known)
– Coating: Anti-Rust Oil / Epoxy / Galvanized (Optional)
– Outer Diameter (OD): Approx. 940 mm
– Bolt Circle Diameter (BCD): Approx. 864 mm
– Bolt Hole Count: 28
– Bolt Hole Size: 1-1/8 inches (Varies by Series A or B)
– Flange Thickness: Approx. 57 mm (Varies by design)

Mechanical & Performance Properties:
– Yield Strength: ≥ 250 – 485 MPa
– Tensile Strength: ≥ 485 – 760 MPa
– Operating Temperature Range: –50°C to 600°C
– Corrosion Resistance: Available with NACE MR0175 compliance

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

Technical Details

ISO 15926 Pt 4	1828
PCA RDS Code	RDS13307654
CFIHOS ID	CFIHOS-30000304
IFC Class	IfcPipeFitting
Lower Limit Design Temperature	-29°C
Lower Limit Design Pressure	51.7 bar

General Terms

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Buyers should verify quantities and conditions upon delivery.
After successful engagement, both buyer and seller manage communication for payment terms and delivery schedule.
All parties agree to adhere to ReflowX Terms and Conditions in transactions.
Buyers can request value-added services such as pre-purchase inspections, Expediting & Delivery Services through ReflowX. Contact us!