471 Pipe-Lock™ Fabricated Steel Restraint Coupling

Description:

• This is a fabricated Steel restraint coupling.

Application:

• Joins and restrains a plain-end Ductile Iron pipe to plain-end Ductile Iron pipe or plain-end Steel pipe to plain-end Steel pipe.

Key Specifications:

• Mechanical restraint shall be an integral part of the follower gland utilizing multiple single tooth wedges
• Breakaway nut torque per wedge is 45 to 60 ft. lbs
• Longer sleeves available

Materials Specifications (subject to change)

• SLEEVE: ASTM A283 Gr. C or Carbon Steel having a minimum yield of 30,000 PSI
• FINISH: Flexi-Coat® Fusion-Bonded Epoxy

Cam-LockTM Specifications

• GLAND: 65-45-12 Ductile Iron (ASTM A536)
• WEDGES: Single Tooth, Ductile Iron, heat treated for Ductile Iron pipe applications
• ACTUATING BOLTS: 60-40-18 Ductile Iron (ASTM A536)
• BREAKAWAY NUTS: Carbon Steel
• FINISH: Gland is Flexi-Coat® Fusion-Bonded Epoxy, per AWWA C213; Wedges and actuating bolts are E-coated Epoxy

Kit Specifications

• GASKET: SBR Standard Mechanical Joint per ANSI/AWWA C111/A21.11 SBR, Multi-Seal gasket, or MJ transition gasket for Steel/IPS ODs. 30″-48″ sizes supplied with Smith-Blair® MJ gasket, all other sizes use standard MJ gaskets
• STUDS/NUTS: High strength, low alloy, per AWWA C111; Optional: 304 Stainless Steel or fluoropolymercoated nuts.

Pipe Applications:

• Ductile Iron, Carbon Steel

Sizes (in inches):

• 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 30, 36, 42, 48 (Ductile Iron)
• 3, 4, 6, 8, 10, 12 (Carbon Steel)

Working Pressure:

• See Pressure Charts Section.

Deflection:

• Assembled joints into each follower gland through 12″ shall allow for three degree deflection on 3″, five degrees on 4″-12″, two degrees 14″-24″, 1.5 degrees 18″-24″, one degree 30″-48″.