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3-Roll Tube Expander Series 38

3-Roll Boiler Tube Expander Series 38 , Parallel Expanding, Single Flair Roll

In-stock SKU: N/A

Wilson’s Series 38 Tube Expanders are designed to perform both rolling and flaring operations in a single step. Offering exceptional maneuverability, these expanders can easily be converted into straight-roll expanders, making them versatile for a variety of applications. Ideal for water tube boilers, fire tube boilers, superheaters, and economizers, these expanders are crafted from selected chrome-nickel alloy steel and treated in automatic electrically controlled furnaces, ensuring a long-lasting service life.

Key Features of the 3-Roll Boiler Tube Expander, Parallel Expanding, Single Flair Roll Series 38:

  • Dual Function: Simultaneously flares and rolls the tube, saving time and improving efficiency.
  • Series 38 is designed for easy handling in confined spaces, offering precise control during operation.
  • Easily converts to a straight-roll expander for flexibility in various operations.
  • Built from chrome-nickel alloy steel and treated for longevity and high performance.

Order your Wilson Series 38 3-Roll Boiler Tube Expander today for enhanced efficiency and durability in tube expansion and flaring operations.

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Common Applications for the 3-Roll Boiler Tube Expander, Parallel Expanding, Single Flair Roll Series 38:

  • Water tube boilers
  • Fire tube boilers
  • Superheaters
  • Economizers
  • Industrial applications requiring tube expansion and flaring

Key Features of the 3-Roll Boiler Tube Expander, Parallel Expanding, Single Flair Roll Series 38:

  • Performs both flaring and rolling in a single step for efficiency.
  • Series 38 Offers smooth handling, ideal for tight spaces and complex tube configurations.
  • Easily converts to a straight-roll expander for additional flexibility.
  • Made from chrome-nickel alloy steel for superior strength and durability.

Specifications for the 3-Roll Boiler Tube Expander, Parallel Expanding, Single Flair Roll Series 38:

  • Material: Chrome-nickel alloy steel, treated in controlled furnaces for enhanced longevity.
  • Function: Combines rolling and flaring in one tool.
  • Applications: Series 38 is Perfect for water tube and fire tube boilers, superheaters, and economizers.

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TubeRangeTube Seat Thickness – Inches (mm)Drum Mandrel
OD
Inches (mm)		GAInchesmm1/2 to 7/8
(12.7 – 22.2)		3/4 to 1-1/8
(19.1 – 28.6)		1-1/8 to 1-5/8
(28.6 – 41.3)		1-5/8 to 2-1/8
(41.3 – 54.0)		2-1/8 to 2-5/8
(54.0 – 66.7)		1/2-Inch sq.
Expander Assembly*Spare RollsExpander Assembly*Spare RollsExpander Assembly*Spare RollsExpander Assembly*Spare RollsExpander Assembly*Spare Rolls
1
(25.4)		8.654 – .719(16.4 – 18.3)3100131446310023145031004314563100632626––7-7/8 Lg (200)
9.680 – .786(17.3 – 20.0)3101131478310123148231014314883101632632
10.703 – .815(17.9 – 20.7)310213102231024310268-3/4 Lg (220)
11.734 – .845(18.6 – 21.5)3103131494310323149831034315043103631753
12 – 13.760 – .881(19.3 – 22.4)3104131042310443104631048323559-1/4 Lg (233)
14.813 – .944(20.7 – 24.0)3105131510310523151431054315203105632641––
1-1/8 (28.6)11 – 12.859 – 1.004(21.8 – 25.5)3107131072310743107610-1/4 Lg (260)
13 – 14.906 – 1.068(23.0 – 27.1)31081315263108231530310843153631086326473108831438
1-1/4
(31.8)		10 – 11.939 – 1.118(23.9 – 28.4)310913109231094310963109811-1/4 Lg (284)
12 – 15.990 – 1.193(25.2 – 30.3)31101315423110231546311043155231106326533110832449
1-1/2
(38.1)		81.053 – 1.257(26.8 – 31.9)3112131558311223156231124315683112632656––
9 – 111.156 – 1.349(29.4 – 34.3)3113131132311343113612 Lg (305)
12 – 141.248 – 1.432(31.7 – 36.4)3115131574311523157831154315843115632662
1-3/4
(44.5)		9 – 111.400 – 1.615(35.6 – 41.0)3116140322311624032431164403263116640328311684033032268
3/4 sq.
12
Lg (305)

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