Forged Pipe Flanges
WNRF, SORF, BLRF flanges in pressure classes 150# to 2500#.
ASME B16.11 Class 3000#, 6000# Equal and Reducing Hex Nipples with precision CNC cut NPT / BSPT threads and heavy hex wrenching flats.
Manufactured from hot forged hexagonal bars on high-speed CNC turning centers. Sharp, burr-free thread crests and roots ensure deep thread engagement and 100% pressure-tight sealing without thread galling.
Comprehensive material grading, dimension compliance, and pressure-temperature ratings.
| Standard | ASME B16.11, BS 3799, ANSI B1.20.1, BS 21, ISO 7/1 |
| Carbon Steel | ASTM A105, A105N, ASTM A350 LF2 Class 1, ASTM A694 |
| Stainless Steel | ASTM A182 F304, F304L, F316, F316L, F321, F347, F310S |
| Alloy & Special | ASTM A182 F11, F22, F91, Duplex 2205, Super Duplex 2507 |
| Pressure Ratings | Class 3000# (3M) & Class 6000# (6M) |
| Quality Verification | 100% Go/No-Go calibrated thread plug & ring gauges, PMI chemical verification |
Hydrocracker units, amine treaters, and hydrocarbon transport lines.
High-salinity, high-corrosion marine topside piping and wellhead skids.
Superheated high-pressure boiler feed water and turbine steam piping.
Aggressive acid transfer lines, urea plants, and ammonia synthesis.
WNRF, SORF, BLRF flanges in pressure classes 150# to 2500#.
Reinforced crotch walls for 90-degree branch connections.
Precision CNC cut NPT and BSPT threads with heavy hex flats.