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Product Features:

• 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 plainend Steel pipe with no other method of restraining pipe required.
• 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:

• SLEEVE ASTM A283 Gr. C or Carbon Steel having a minimum yield of 30000 PSI
• FINISH Flexi-Coat Fusion-Bonded Epoxy
• Cam-Lock‚¬ž 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

Specifications:

• Nominal sizes: 4" through 12"
• Restrained coupling for Ductile Iron pipe
• Body: Cast Ductile Iron with Flexi-Coat Epoxy finish
• Restraint wedges engage pipe to prevent pullout
• Working pressure: 250 PSI (sizes 4"–12")

Style 471 Installation Instructions

Style 471 Spec Sheet

Style 471 Datasheet