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
$10.59 - $406.65150# Ductile Iron Threaded Flange ASC 150# Ductile Iron Threaded Flanges provide a threaded companion-flange connection for compatible NPT piping systems. Manufactured from ductile iron conforming... -
125# Cast Iron Threaded Flange
Service Metal
$14.57 - $144.60125# 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... -
150# Ductile Iron Reducing Companion Flange
ASC
$29.25 - $566.80150# Ductile Iron Reducing Companion Flange 150# Ductile Iron Reducing Companion Flanges provide a flanged transition between different nominal pipe sizes while maintaining a compact, durable... -
150# Ductile Iron Blind Flange
ASC
$26.10 - $2,102.10150# Ductile Iron Blind Flange 150# Ductile Iron Blind Flanges provide a durable method for closing the end of a compatible flanged piping system, valve, or equipment connection. The ASC / SCI Class... -
150# Ductile Iron Galvanized Reducing Companion Flange
ASC
$59.33 - $449.26150# 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... -
6" 150# Ductile Iron Black Threaded Hydrant Flange
ASC
$120.266" 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... -
125# Cast Iron Reducing Threaded Flange
Service Metal
$28.98 - $250.08125# 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... -
125# Cast Iron Threaded Flanges
ASC
$42.21 - $1,003.05125# 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& -
150# Ductile Iron Galvanized Blind Flange
ASC
$74.65 - $783.64150# 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... -
6" 150# Ductile Iron Black Blind Hydrant Flange
ASC
$151.926" 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... -
Midland 150# Threaded Black Ductile Iron Flange
Midland Industries
$13.08 - $108.09Midland 150# Threaded Black Ductile Iron Flange Midland Class 150 Threaded Black Ductile Iron Flanges provide a durable threaded connection for compatible piping systems where welding is not... -
125# Cast Iron Blind Flange
Service Metal
$53.45 - $230.02125# Cast Iron Blind Flange All Flanges are Asphalt Coated as Standard, Hot Dip Galvanizing Available Spec Sheet PDF -
125# Cast Iron Blind Flanges
ASC
$67.21 - $1,191.44125# 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&nbs -
Ductile Iron Backup Flanges
Merit Brass
$5.11 - $36.73Ductile Iron Backup Flanges Ductile Iron Backup Flanges are designed to provide a secure mechanical connection when used with compatible piping and flange components. Manufactured from high-strength... -
Galvanized Ductile Iron Backup Flanges
Merit Brass
$9.48 - $100.83Galvanized Ductile Iron Backup Flanges Galvanized Ductile Iron Backup Flanges are designed to provide a secure bolted connection when used with compatible grooved-end piping systems and stub-end... -
Midland Black Ductile Iron Blind Flange
Midland Industries
$21.19 - $245.86Midland Ductile Iron 150 lb Blind Flange Midland Ductile Iron 150 lb Blind Flanges provide a secure way to close off the end of compatible Class 150 flanged piping systems. Manufactured from durable...