American Cast Iron Pipe

Flex-Ring® 8 in. Ductile Iron Pipe

Part #AFR50PP4X

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Product Details

  • Provides flexible, easily assembled, positive restraint against endwise separation due to thrust
  • Centrifugally cast for piping water, sewage and other liquids, Flex-Ring® joint pipe may also be used in trenchless application such as horizontal directional drilling and pipe bursting
  • With spigot ahead, the low-profile Flex-Ring® bell assembles quickly and offers a smooth transition during pipe pull-back
  • Rated for a water working pressure of 350 psi


ANSI Specifications: [ANSI A21.4, ANSI A21.10, ANSI A21.11, ANSI A21.50, ANSI A21.51, ANSI A21.53]

ASTM Specifications: [ASTM E-96-66, ASTM B-117, ASTM G-95, ASTM D-714-87]

AWWA Specifications: [AWWA C-104, AWWA C-110, AWWA C-111, AWWA C-115, AWWA C-150, AWWA C-151, AWWA C-153, AWWA C-600, AWWA C-606, AWWA M-41]

Application: [Water, Sewage]

Coating: Asphaltic

Collection: Flex-Ring®

Ductile Iron Class: CL50

Ductile Iron Pipe Type: Ductile Iron Flex Ring Pipe

End Connection 1: Flex-Ring®

End Connection 2: Spigot

End Connections: Flex-Ring® x Spigot

FM Approved: Yes

Length: 20 ft

Material: Ductile Iron

Origin: Domestic

Pipe Lining: Protecto 401

Pipe Tubing Size: 8 in

Pressure Class: 350 psi

UL Listed: Yes

Wall Thickness: 0.27 in