Stainless Steel Flanges

Conforming to JIS dimensional standards, this raised-face weld neck flange in 304 and 304L stainless steel integrates seamlessly into Japanese and Asian-market piping systems. The extended tapered hub enables full butt-weld attachment, reducing turbulence and stress concentration at the joint. Its raised face profile concentrates gasket load for positive sealing, making it reliable for chemical plants, water treatment stations, and industrial process pipelines across regional infrastructure projects.

Rated to Class 300 under ANSI standards, this raised-face blind flange in 304 and 304L stainless steel provides a robust, removable closure for pipe ends, vessel nozzles, and valve outlets. The solid forged disk withstands moderate pressure without deflection, while the raised face ensures reliable gasket compression for a leak-tight seal. Ideal for hydrostatic testing, line isolation, and future expansion ports in chemical processing, water treatment, and industrial utility systems.

This 2-inch Schedule 10 weld neck flange in ASTM 316L stainless steel combines lightweight wall dimensions with the structural advantages of a tapered hub. The extended neck enables full-penetration butt welding for a seamless, inspection-ready joint that eliminates stress concentrations. Its 316L composition delivers enhanced resistance to chlorides and corrosive chemicals, suiting hygienic process lines, pharmaceutical piping, and light-wall industrial systems where both cleanliness and strength matter.

A 1-inch Class 150 slip-on flange forged from SS304L to ASTM A182, designed for quick weld-on installation in small-diameter piping. Its slightly oversized bore slides over standard pipe for precise positioning before fillet welding, minimizing setup time. The corrosion-resistant forged body withstands moisture, mild chemicals, and temperature swings, suitable for water service, instrument tubing connections, and compact industrial plumbing where space and ease of assembly are key.

This 2-inch Class 150 raised-face plate flange in 304 and 304L stainless steel forms a compact, corrosion-resistant connection point for small-bore piping. The raised face concentrates gasket compression for positive low-pressure sealing, while the flat-plate design permits straightforward on-site welding. Forged to ASTM A182 specifications, it serves water supply lines, air distribution networks, and general process piping where reliable, standardized connections in a compact footprint are required.

Rated at 300LB under ASTM standards, this 304 and 304L stainless steel threaded flange offers a weld-free, raised-face connection for medium-pressure piping. Precision-cut threads engage securely with mating pipe ends, enabling rapid assembly and disassembly without hot work. Its compact forged body resists oxidation and chemical attack, making it a practical choice for instrument lines, compressed air systems, and industrial utility piping where maintenance access is a priority.

Designed as a solid disk without a center bore, this 8-inch Class 150 blind flange in 304 and 304L stainless steel provides a permanent or temporary seal for pipe ends, vessel openings, and inspection ports. The flat face profile permits full-face gasket coverage for reliable closure under low to moderate pressure. Its forged construction withstands corrosion in water, wastewater, and chemical storage applications, allowing safe system isolation during maintenance or future expansion.

Manufactured to DIN 86029, this PN10-rated raised-face blind flange is forged from ASTM A182 F316L for superior resistance to chloride-induced corrosion. As a solid closure disk without a central opening, it seals pipe ends, valve outlets, and pressure vessel nozzles in marine, chemical, and food-grade process lines. The raised face ensures positive gasket compression for leak-tight isolation, supporting safe system shutdowns and hydrostatic testing of European-standard piping networks.

This 2-inch JIS-standard raised-face blind flange serves both functional sealing and aesthetic roles in exposed piping installations. Forged from ASTM A182 F304 and 316L stainless steel, its polished appearance complements architectural and decorative pipework while providing effective end closure. The raised face ensures reliable gasket seating, and its compact dimensions suit handrail terminations, display plumbing, and light-duty industrial lines where visual quality and corrosion resistance are valued.

Available in a comprehensive size range from half inch to 24 inches, this ASTM and ASME compliant blind flange in 304L stainless steel covers the full spectrum of industrial piping closure needs. Each solid forged disk seals pipe ends and vessel openings without a central bore, enabling safe pressure containment during hydrostatic testing and system isolation. Its broad size availability and material traceability make it a versatile stock item for maintenance crews and EPC contractors.

Compliant with both ANSI and DIN standards, this blind flange in 304 and 316L stainless steel seals and terminates industrial pipelines as a solid forged closure. The dual-standard compliance simplifies procurement for international projects, while the corrosion-resistant body maintains leak-proof performance from DN10 to DN2000. Suitable for pressure vessel nozzles, pipeline dead-ends, and inspection ports in chemical storage, water distribution, and process engineering applications.

Designed for high-frequency piping environments subject to continuous vibration, this blind flange in 304 and 316L stainless steel maintains a stable, leak-free seal under dynamic mechanical loads. The solid forged construction dampens resonance while resisting fatigue cracking at bolted connections. Available from DN15 to DN1800 to ASTM and JIS standards, it is suitable for compressor discharge lines, pump station piping, and rotating equipment connections where vibration-induced loosening is a concern.

With a simple flat disc design, this lightweight plate flange in 304 and 316L stainless steel offers a cost-effective connecting solution for low-pressure piping systems. The flat face permits uniform gasket contact without raised-face machining, streamlining production while meeting ASTM and JIS standards. Sized from DN15 to DN2000, it suits water distribution, gravity-drain lines, and light industrial ducting where weight savings and economical installation are prioritized.

Engineered for Class 300 service, this stainless steel weld neck flange supports both raised-face and ring-type joint gasket configurations to meet diverse sealing requirements. The tapered hub facilitates full-penetration butt welding for a smooth, inspection-ready joint free of abrupt stress risers. Forged from 304 and 316L grades to ASTM standards, it delivers dependable performance in high-integrity applications such as refinery piping, chemical reactors, and critical process loops.

Forged from 316 stainless steel and rated from Class 150 through 2500, this weld neck flange is purpose-built for the oil and gas sector's demanding conditions. The long tapered hub provides a smooth stress transition from flange to pipe via full-penetration butt welding, supporting radiographic inspection. Its molybdenum-enhanced alloy composition resists pitting in chloride-rich and sour-service environments encountered in offshore platforms, refineries, and gas processing facilities.

Available in Class 150 and Class 300 ratings, these raised-face plate flanges are flat-welded stainless steel components engineered for reliable sealing in moderate-pressure piping. Forged from 304 and 316L grades and compliant with ASTM standards, the flat design simplifies on-site alignment and welding. The raised face concentrates gasket compression for leak-tight joints, making them practical for water treatment plants, HVAC systems, and general industrial fluid transport.

Designed for straightforward installation, this ANSI B16.5 slip-on flange in SS304L provides a reliable, cost-effective connection for chemical engineering pipelines. The raised hub offers added stability during welding, while the precision-machined bore ensures accurate alignment. Compatible with schedule 10S through 80S piping, it withstands corrosive media and moderate pressures, proving ideal for chemical transfer lines, water treatment facilities, and industrial fluid systems.

Engineered for high-pressure and high-temperature environments, this stainless steel weld neck flange features an extended neck design that reinforces structural integrity and minimizes turbulence at the joint. Forged from SS304L and 316L grades, it meets ANSI, ASTM, and JIS standards. The tapered hub evenly redistributes bending stress, making it suited for demanding operations in petrochemical refineries, power generation plants, and industrial processing pipelines.

Conforming to ASTM A182 and ANSI B16.5, this weld neck flange in 304 and 316L stainless steel features a tapered hub for full-penetration butt welding across DN15 to DN3000. The seamless transition from pipe to flange eliminates stress concentrations and supports radiographic weld inspection, making it the standard choice for high-integrity pressure circuits. Suited to refinery transfer piping, boiler connections, and critical process loops in the oil, gas, and petrochemical sectors.

Conforming to ANSI B16.5 and ASTM A182, this blind flange in 304 and 316L stainless steel delivers standardized sealing from DN15 to DN1200. The solid forged closure blocks pipeline flow completely for pressure testing, maintenance isolation, and system expansion. With full material documentation and dimensional compliance, it supports code-governed installations in chemical processing, oil and gas transmission, and water infrastructure where regulatory traceability is a project requirement.