ANSI/ASME B16.47 Class 150
ANSI/ASME Pressure Standard B16.47 Class 150 At API International, we support large-diameter ANSI/ASME B16.47 class 150 flange requests for NPS 26 to 60 inches, including blind and weld neck styles. Slip-ons, threaded, and socket weld flanges are not covered by ASME B16.47 and are instead manufactured to industry (non-ASME) standards. Our team can help confirm specifications, […]
ANSI/ASME B16.5 Class 300
ANSI/ASME Pressure Standard B16.5 Class 300 At API International, we stock ASME B16.5 Class 300 flanges in the most common styles, including slip-on, weld-neck, and blind, with raised face and flat face options. Our flanges are forged from carbon steel or stainless steel to support long-term durability and corrosion resistance. We offer a comprehensive range of dimensions […]
ANSI/ASME B16.5 Class 150
ANSI/ASME Pressure Standard B16.5 Class 150 At API International, we stock ASME B16.5 Class 150 flanges in the most common styles, including slip-on, weld-neck, and blind, with raised face and flat face options. Our flanges are forged from carbon steel or stainless steel to support long-term durability and corrosion resistance. We offer a comprehensive range of dimensions […]
DIN EN 1092-1 Flanges
Metric Flange Standard DIN EN 1092-1 At API International, we stock PN-rated steel and stainless steel slip-on flanges manufactured to the DIN (Deutsches Institut für Normung) EN 1092-1 European Standard specification. Choose from a wide range of slip-on, ring-style flanges sized according to EN 1092-1 standards available in PN10, PN16, and PN25. Shop Flanges Learn […]
ANSI/ASME B16.47
Large Diameter Steel Flanges ANSI/ASME B16.47 At API International, we support large diameter ANSI/ASME B16.47 flange requests for NPS 26 to 60 inches in pressure classes 150 through 300, including blind and weld neck styles. Our team can help confirm specifications, bolt patterns, and lead times for your project. Important note: Slip-ons, threaded, and socket […]
ANSI / ASME B16.5
Flanges and Fittings Standard ANSI/ASME B16.5 At API International, we stock ASME B16.5 flanges in the most common styles, including slip-on, weld-neck, and blind, with raised face and flat face options. Our flanges are forged from carbon steel or stainless steel to support long-term durability and corrosion resistance. We carry Class 150 and Class 300 […]
AWWA C207 Class B
Standard Water Service Flanges AWWA C207 Class B At API International, we produce steel pipe flanges specifically for waterworks service, ensuring full compliance with AWWA C207 Class B specifications. Our inventory includes blind, slip-on, and hub-style ring flanges designed for reliable sealing in municipal and industrial water systems. We offer a comprehensive range of dimensions […]
Nickel Plated Flanges
Nickel Plated Flanges We offer nickel plated flanges that meet a range of specifications and bolt hole patterns. They are available in various types and sizes upon request. Visit Our Store View Capabilities Electroless Nickel Coating What Are Nickel Plated Flanges Nickel plated flanges are steel or alloy flanges with a nickel-based coating on top. It […]
AWWA C228 Flanges
Stainless Water Components AWWA C228 Flanges At API International, we produce stainless steel pipe flanges specifically for waterworks service, ensuring compliance with AWWA C228 specifications. Our inventory includes blind and slip-on flanges designed to provide superior corrosion resistance and reliable sealing in municipal and industrial water systems. We offer a comprehensive range of dimensions in both […]
AWWA C207 Flanges
Waterworks Piping Components AWWA C207 Flanges At API International, we produce steel pipe flanges specifically for waterworks service, ensuring full compliance with AWWA C207 specifications. Our inventory includes blind, slip-on, and hub-style ring flanges designed for reliable sealing in municipal and industrial water systems. We offer a comprehensive range of dimensions in both domestic (AIS) […]