Cast & Ductile Iron Flanges
Shop cast iron and ductile iron flanges for waterworks, fire protection, commercial plumbing, municipal infrastructure, pump connections, mechanical piping, and industrial process applications.
Choose from threaded, blind, companion, reducing, hydrant, and galvanized flanges built for dependable performance in demanding commercial and industrial piping systems.
Products are displayed by best sellers to help you quickly find popular items.
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Why Buy Cast & Ductile Iron Flanges from GetPipe?
Threaded, blind, companion, reducing, and hydrant flange options
Cast and ductile iron flanges from trusted manufacturers
Products sorted by best-selling items
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150# Ductile Iron Threaded Flange
ASC
$9.63150# Ductile Iron Threaded Flange Ductile iron conform to ASTM A536 Flange dimensions, drilling and materials in accorance with AWWA C110 / ASME B16.42 Threads for Companion Flanges Conform to ANSI/ASME B1.20.1 NPT Manufacturing facility is ISO... -
125# Cast Iron Threaded Flange
Service Metal
$14.57125# Cast Iron Threaded Flange Flange Dimensions Listed Above Apply to Both 125# Cast Iron and 150# Ductile Iron Threads for Companion Flanges Conform to ANSI/ASME B1.20.1 NPT All Flanges are Asphalt Coated as Standard, Hot Dip Galvanizing Available ... -
150# Ductile Iron Reducing Companion Flange
ASC
$26.61150# Ductile Iron Threaded Reducing Flange Ductile iron conform to ASTM A536 Flange dimensions, drilling and materials in accorance with AWWA C110 / ASME B16.42 Threads for Companion Flanges Conform to ANSI/ASME B1.20.1 NPT Manufacturing facility is ISO... -
150# Ductile Iron Blind Flange
ASC
$23.76150# Ductile Iron Blind Flange Ductile Iron Conforms to ASTM A536 Flange dimensions, drilling and materials in accorance with AWWA C110 / ASME B16.42 Manufacturing facility is ISO 9001:2008 Downloads: 150# & 300# Flange Dimensional... -
150# Ductile Iron Galvanized Reducing Companion Flange
ASC
$53.98150# Ductile Iron Galvanized Reducing Companion Flange Ductile iron conform to ASTM A536 Flange dimensions, drilling and materials in accorance with AWWA C110 / ASME B16.42 Threads for Companion Flanges Conform to ANSI/ASME B1.20.1 NPT Manufacturing... -
6" 150# Ductile Iron Black Threaded Hydrant Flange
ASC
$123.476" 150# Ductile Iron Black Threaded Hydrant Flange Ductile Iron Conforms to ASTM A536 Flange dimensions, drilling and materials in accorance with AWWA C110 / ASME B16.42 Manufacturing facility is ISO 9001:2008 Downloads: 150# & 300# Flange... -
125# Cast Iron Reducing Threaded Flange
Service Metal
$28.98125# Cast Iron Threaded Reducing Flange Flange Dimensions Listed Above Apply to Both 125# Cast Iron and 150# Ductile Iron Threads for Companion Flanges Conform to ANSI/ASME B1.20.1 NPT All Flanges are Asphalt Coated as Standard, Hot Dip Galvanizing... -
125# Cast Iron Threaded Flanges
ASC
$0.00125# Cast Iron Threaded Flange Class 125 (standard) iron flanges are manufactured to American National Standard ASME B16.1 Note: All Class 125 cast iron standard flanges have a flat face. Spec Sheet PDF Certificate of Compliance PDF 150# & 300#... -
150# Ductile Iron Galvanized Blind Flange
ASC
$67.93150# Ductile Iron Galvanized Blind Flange Ductile Iron Conforms to ASTM A536 Flange dimensions, drilling and materials in accorance with AWWA C110 / ASME B16.42 Manufacturing facility is ISO 9001:2008 Downloads: 150# & 300# Flange Dimensional... -
6" 150# Ductile Iron Black Blind Hydrant Flange
ASC
$155.966" 150# Ductile Iron Black Blind Hydrant Flange Ductile Iron Conforms to ASTM A536 Flange dimensions, drilling and materials in accorance with AWWA C110 / ASME B16.42 Manufacturing facility is ISO 9001:2008 Downloads: 150# & 300# Flange... -
125# Cast Iron Blind Flange
Service Metal
$53.45125# Cast Iron Blind Flange All Flanges are Asphalt Coated as Standard, Hot Dip Galvanizing Available Spec Sheet PDF 150# & 300# Flange Dimensional Specifications PDF Pipe Chart: Common Diameters & Wall Thicknesses PDF Certificate of... -
125# Cast Iron Blind Flanges
ASC
$0.00125# Cast Iron Blind Flange Class 125 (standard) iron flanges are manufactured to American National Standard ASME B16.1 Note: All Class 125 cast iron standard flanges have a flat face. Spec Sheet PDF Certificate of Compliance PDF 150# & 300#... -
Ductile Iron Backup Flanges
Merit Brass
$5.11Ductile Iron Backup Flanges .gp-btn{ display:inline-flex; align-items:center; gap:8px; background:#2EA3F2; color:#fff !important; padding:8px 13px; border-radius:999px; font-weight:bold; text-decoration:none; transition:all... -
Galvanized Ductile Iron Backup Flanges
Merit Brass
$9.48Galvanized Ductile Iron Backup Flanges .gp-btn{ display:inline-flex; align-items:center; gap:8px; background:#2EA3F2; color:#fff !important; padding:8px 13px; border-radius:999px; font-weight:bold; text-decoration:none; ... -
Midland 150# Threaded Black Ductile Iron Flange
Midland Industries
$12.21Midland 150# Threaded Black Ductile Iron Flange .gp-btn{ display:inline-flex; align-items:center; gap:8px; background:#2EA3F2; color:#fff !important; padding:8px 13px; border-radius:999px; font-weight:bold; ... -
Midland Black Ductile Iron Blind Flange
Midland Industries
$19.78Midland Ductile Iron 150 lb Blind Flange .gp-btn{ display:inline-flex; align-items:center; gap:8px; background:#2EA3F2; color:#fff !important; padding:8px 13px; border-radius:999px; font-weight:bold; text-decoration:none; ...