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ASME B16.5 Weld Neck Flange – 20" – Class 1500 – High-Pressure Rated

ReflowX SKU: REF-5996

Product Details

Quantity

3
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 B16.5-compliant 20" Class 1500 flange available in WN, BL, or SO types. High-strength construction, precision-drilled, and suited for critical high-pressure applications.

Description

ASME B16.5 Weld Neck Flange – 20" – Class 1500 – High-Pressure Rated

Available for sale is a 20-inch Class 1500 flange, built in full compliance with ASME B16.5 standards for high-pressure piping systems. This flange is engineered for critical service applications including refining, oil & gas, petrochemical, and high-temperature industrial systems.

Available in types such as Weld Neck (WN), Blind (BL), or Slip-On (SO) (based on specification), this flange is manufactured from carbon steel, stainless steel, alloy steel, or high-strength low-alloy materials. Featuring a raised face (RF) or ring-type joint (RTJ), the flange includes precise bolt hole patterns and is machined to handle pressures up to Class 1500 service conditions.

Coating options such as anti-rust oil, galvanization, or epoxy are applied as required for corrosion protection. Designed for extreme operating conditions, this flange delivers robust performance and long-term reliability.

Specifications:

– Flange Type: Weld Neck (WN) / Blind (BL) / Slip-On (SO) (Specify exact type)
– Nominal Size: 20 inches (NPS 20)
– Pressure Rating: Class 1500
– Standard Compliance: ASME B16.5
– 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 Low-Alloy Steel)
– Facing Type: Raised Face (RF) / Ring-Type Joint (RTJ) (Specify if known)
– Coating: Anti-Rust Oil / Epoxy / Galvanized (as applicable)
– Outer Diameter (OD): ~965 mm
– Bolt Circle Diameter (BCD): ~914 mm
– Bolt Hole Count: 20
– Bolt Hole Size: 1-3/4 inches
– Flange Thickness: ~127 mm (may vary)

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

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	257.5 bar

General Terms

ReflowX and the seller retain the right to evaluate and approve offers.
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!