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Thrust Balanced Starflex® – Series 5400

Thrust Balanced Flexible Expansion Joint for the Protection of Water, Wastewater, and Industrial Pipelines

Thrust Balanced Starflex<sup>®</sup> - Series 5400

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Thrust Balanced StarFlex® Series 5400 Expansion Joints are designed to manage pipeline movement while eliminating axial thrust under internal pressure. Ideal for water, wastewater, and industrial pipeline systems. Expansion joint is pressure balanced design not imparting an axial thrust under internal pressure.

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  • 4”-16” are FM approved.
  • Castings manufactured of ductile iron conforming to the requirements of ASTM A536 grade 65-45-12.
  • All fasteners are of type 304 stainless steel.
  • All internal and external pressure seals are EPDM elastomer and NSF 61 approved/compliant. External debris boots are EPDM.
  • Internal and external surfaces are coated with fusion bonded epoxy as per ANSI/AWWA C213. Coatings are NSF 61 approved.
  • Expansion joint is pressure balanced design which will not impart an axial thrust under internal pressure and will not expand or exert an axial thrust.
  • Ball and socket flexible joint have a minimum deflection of 20° for 4″–12″, 15° for 14″–36″.
  • Total expansion capability shall be minimum 8″ for sizes 4″–12″, 10″ for sizes 14″–18″, 12″ for sizes 20″–24″, and 16″ for sizes 30″–36″.
  • Each expansion joint has been pressurized and cycled to rated working pressure of 350 psi for sizes up to 16″ and 250 psi for sizes 18″–36″ prior to shipment.
  • Flanged outlets provided which dimensionally conform to ANSI/AWWA C110/A21.10 and ASME B16.42 class 150 with the addition of an o-ring gasket for a watertight joint.
  • A polyethylene sleeve that meets ANSI/AWWA C105/A21.5 is included with each unit.
  • This must not be used on pipelines having solids/debris.
  • Flexible expansion joints shall be manufactured of ductile iron in accordance with ASTM A536 Grade 65-45-12.
  • Each flexible expansion joint shall be capable of deflecting and expanding at the same time to the amounts shown on the drawing or indicated in the specifications.
  • Each ball joint shall possess an external rubber boot to prevent penetration of outside debris.
  • All hardware nuts, bolts and straps shall be type 304 stainless steel.
  • All ductile iron components shall be coated internally and externally with 15 mils of fusion bonded epoxy and shall be holiday tested with a 1500 volt spark test, both of which conform to the requirements ANSI/AWWA C213.
  • Every flexible joint unit shall be cycled and pressure tested at 350 PSI for 4″-16″ and 250 PSI for 18″ and above prior to shipment.
  • A polyethylene sleeve that meets ANSI/AWWA C105/A21.5 included with each unit.
  • Flexible expansion joint shall not impart an axial thrust nor expand under internal pressure.
  • Flexible expansion joints shall be Star® Pipe Products, StarFlex® Series 5400 or an approved equal.

*Please refer to the catalog for further details and specifications.

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