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Appleton™ UNY, UNF, UNL Unions and UNY, UNF Expansion Unions

Brand: Appleton

Appleton™ UNY, UNF, and UNL explosionproof and dust-ignitionproof unions are used for joining conduit and connecting conduit to enclosures.

They facilitate modifications and permit the removal of enclosures without turning or removing conduit.

They are also available as expansion unions, which compensate for the expansion and contraction of conduit.
Features
  • Explosionproof, dust-ignitionproof
  • Smooth, rounded integral bushing in each hub protects conductor insulation
  • Accurately tapped, tapered threads for tight, rigid joints and ground continuity
  • Non-expansion unions are concretetight. The concentric ring interlocked design of the 1/2", 3/4" and 1" sizes makes possible smaller diameter, allowing use in tighter spaces. 1-1/4" and larger UNY?sizes have a removable male nipple
  • Expansion unions are a one-piece design that eliminates the need for disassembly during installation. The telescoping cylinder within cylinder design permits expansion or contraction. Both standard or long types are available
  • The small external diameter of the expansion unions makes them ideal for use in restricted areas, such as the wiring of pumps, motors, and other equipment. The internal phosphor bronze "bonding jumper" ring assures positive ground between telescoping cylinders

Specifications

Brand

Options

  • 1/2”, 3/4”, & 1” UNF/UNY Available in Stainless Steel (Add Suffix -SS)

Standard Materials

  • UNY & UNF Expansion Unions: Steel
  • UNL Unions: Malleable Iron & Steel
  • UNY & UNF (non-Expansion) Unions: 1/2” to 1”: Steel or Aluminum; 1-1/4” to 6”: Malleable Iron or Copper-Free (4/10 of 1% Max.) Aluminum

Standard Finishes

  • Steel Products: Zinc Electroplate
  • Aluminum Products: Epoxy Powder Coat
  • Malleable Iron Products: Triple-Coat (1) Zinc Electroplate, (2) Chromate, & (3) Epoxy Powder Coat

NEC/CEC Certifications & Compliances

  • UL Standard: 886 (1203)
  • UL Listed: E34997
  • CSA Standard: C22.2 No. 25, C22.2 No. 30
  • CSA Certified: 065181

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