Industrial Steel Flanges – High-Pressure Rated, Corrosion Resistant | ANSI/API/EN Standard

Our Flanges are precision-engineered components designed to ensure secure and leak-proof connections in critical piping systems. Crafted from high-quality carbon steel, stainless steel, alloy steel, and duplex materials, these flanges provide exceptional strength, corrosion resistance, and pressure integrity.

Available in multiple types—including Weld Neck (WN), Slip-On (SO), Socket Weld (SW), Lap Joint (LJ), Threaded (THD), and Blind (BL)—these flanges are manufactured to meet or exceed ANSI, ASME, API, EN, JIS, and DIN standards. Each flange undergoes strict dimensional and pressure testing, making them suitable for the most demanding industrial environments.

With nominal sizes from 1/2" to 60" and pressure classes ranging from 150# to 2500#, our flanges support a wide variety of service conditions. They are used extensively in oil & gas pipelines, petrochemical processing units, power generation plants, water treatment systems, and offshore platforms.

Designed for ease of installation and long service life, these flanges deliver reliable sealing, reduced maintenance, and operational efficiency across all pipeline networks.

Specifications:

– Flange Types: Weld Neck, Slip-On, Socket Weld, Blind, Threaded, Lap Joint, Orifice, Long Weld Neck
– Size Range: 1/2” to 60” (DN15 to DN1500)
– Pressure Class: ANSI 150#, 300#, 600#, 900#, 1500#, 2500# / PN10–PN400
– Standards: ASME B16.5, B16.47, API 6A, EN1092-1, DIN 2501, JIS B2220
– Material Grades:
 – Carbon Steel: ASTM A105, A350 LF2
 – Stainless Steel: A182 F304, F304L, F316, F316L, F321
 – Alloy Steel: A182 F11, F22, F5
 – Duplex/Super Duplex: A182 F51, F53, F55
– Face Type: Raised Face (RF), Flat Face (FF), Ring-Type Joint (RTJ), Tongue & Groove
– Surface Finish: 63–250 AARH per ASME B16.5
– Drilling Pattern: ANSI, API, DIN, JIS compliant bolt holes
– Testing: Hydrostatic, PMI, UT/RT (as per order)
– Certificates: EN 10204 3.1 / 3.2, ISO 9001, API Q1
– Coating Options: Anti-rust oil, black painting, FBE coating, hot-dip galvanization

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