4 in. Ductile Iron Pipe

Part #AFR51PP  |  Item #1237609

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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]

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

Ductile Iron Class: CL51

Ductile Iron Pipe Type: Ductile Iron Flex Ring Pipe

End Connection 1: Flex-Ring® Joint

End Connection 2: Spigot

End Connections: Flex-Ring® Joint x Spigot

FM Approved: Yes

Length: 20 ft

Material: Ductile Iron

NSF Certified: Yes

NSF Specifications: NSF 61

Origin: Domestic

Pipe Lining: Cement

Pipe Tubing Size: 4 in

Pressure Class: 350 psi

Thickness: 0.25 in

UL Listed: Yes

Wall Thickness: 0.26 in