P2580 - 12" to 36" Heavy Duty Bracket (Slots Up and Down) (1-5/8" Series)

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35% Stronger than competitive products! Highest Capacity in the Market!

Features & Benefits:

  • 35% stronger than competitive products!
  • Uses a 3-bolt attachment and a U-shaped base plate for added strength
  • Double-sided channel allows attachment on top and bottom
  • Made in America
  • Patent Pending

Standard Dimensions:

  • Hole Diameter: 9/16" (14mm)
  • Hole Spacing (From End): 13/16" (21mm)
  • Hole Spacing (On Center): 1-7/8" (48mm)
  • Width: 1-5/8" (41mm)
  • Channel Thickness: 12 Gauge
  • Fitting Thickness: 1/4"
  • Material: ASTM A1011 SS GR 33

Note: When used for mechanical supports, load capacities of brackets and fittings should be in compliance with the American Standard Code for Pressure Piping.

The New Heavy Duty Bracket: P2580-XX


Unistrut is proud to introduce the new heavy duty bracket, P2580-XX. This new bracket features a clevis shaped base and 3-bolt attachment for added strength, length options from 12" to 36", and has double-sided channel for top and bottom attachments.

A Competitive Overview

The Cantilever Bracket - Double Strut is commonly used for pipe, cable tray, conduit and equipment supports for both top and bottom attachment. Many manufacturers make a similar item to ours, with similar capacities.

The P2580-XX features the following expanded load capacities:

NEW
heavy-duty-bracket-for-chart competitor-bracket-for-chart
Length Unistrut
P2580-XX
Competitive Brackets Strength Increase
12" 2,700 1,621 - 2,000 35% - 66%
18" 1,800 1,050 - 1,300 38% - 71%
24" 1,350 800 - 1,000 35% - 68%
30" 1,080 650 - 800 35% - 66%
36" 900 500 - 650 38% - 80%

Capacities listed above are in pounds.

Application Examples

Pipe and Conduit Supports

Old with Pipe & Conduit

Old Pipe and Conduit Support 

Supporting two 8" Schedule 40 Water Filled Pipes

  • Total Weight:  101 lbs./ft.
  • Bracket Capacity (24"):  1,000 lbs.
  • Max. Span:  9.9 ft.
Old Pipe and Conduit Support 40' Run 

This 40' run requires 5 supports!

NEW with Pipe & Conduit

New Pipe and Conduit Support 

Supporting two 8" Schedule 40 Water Filled Pipes

  • Total Weight:  101 lbs./ft.
  • Bracket Capacity (24"):  1,350 lbs.
  • Max. Span:  13.4 ft.
New Pipe and Conduit Support 40' Run 

This 40' run requires only 4 supports!

  • Save 35% on labor for installation of supports
  • Save over 15%  on support materials

Cable Tray Supports

Old with Cable Tray

Cable Tray with 3 Supports 

This requires 3 supports per straight!

Supporting an 18" Wide NEMA Class 20C System

  • Cable Weight:  100 lbs/ft x 20 ft = 2,000 lbs
  • Tray Weight:  4 lbs/ft x 20 ft = 80 lbs
    • Total Weight:  2,080 lbs
  • Bracket Capacity (24"):  1,000 lbs
  • Supports Needed:  2,080 lbs / 1,000 lbs = 2.08
  • Requires 3 supports

NEW with Cable Tray

Cable Tray with 2 Supports 

This requires only 2 supports per straight. Save 33% on labor for installation of supports and save over 20% on support materials!

Supporting an 18" Wide NEMA Class 20C System

  • Cable Weight:  100 lbs/ft x 20 ft = 2,000 lbs
  • Tray Weight:  4 lbs/ft x 20 ft = 80 lbs
    • Total Weight:  2,080 lbs
  • Bracket Capacity (24"):  1,350 lbs
  • Supports Needed:  2,080 lbs / 1,350 lbs = 1.54
  • Requires only 2 supports
Part No. Finish Product Weight / Piece (lbs)
P2580-12 HG 6.1
P2580-12 GR 6.1
P2580-12 SS 6.1
P2580-18 HG 7.8
P2580-18 GR 7.8
P2580-18 SS 7.8
P2580-24 HG 9.5
P2580-24 GR 9.5
P2580-24 SS 9.5
P2580-30 HG 11.2
P2580-30 GR 11.2
P2580-30 SS 11.2
P2580-36 HG 12.9
P2580-36 GR 12.9
P2580-36 SS 12.9

    Design Loads

    Design Loads - P2580
    Part Number Length "A" Uniform Design Load*
    lbs (kN)
    P2580-12 12" 2,700  (12.00)
    P2580-18 18" 1,800  (8.00)
    P2580-24 24" 1,350  (6.00)
    P2580-30 30" 1,080  (4.80)
    P2580-36
    36" 900  (4.00)

    Notes:

    1. Design loads only apply to Unistrut brand products. Look for "UNISTRUT" on the part.
    2. * Safety factor = 2.5 based on the ultimate strength of the connection when mounted to 12 gauge channel.

    General Specifications

    Standard Dimensions (Unless Shown Otherwise on Drawing):

    • Hole Diameter:  9/16"  (14mm)
    • Hole Spacing (From End):  13/16"  (21mm)
    • Hole Spacing (On-Center):  1 7/8"  (48mm)
    • Width:  1 5/8"  (41mm)
    • Thickness:
    • 1/4"  (6.4mm) with steel meeting or exceeding ASTM A1011 SS GR 33, or
    • 0.220" (5.6mm) with steel meeting or exceeding ASTM A1011 HSLAS GR 45

    Note:

    • When used for mechanical supports, load capacities of brackets and fittings should be in compliance with the American Standard Code for Pressure Piping.

    Materials & Finishes

    Materials & Finishes - Standard:

    • Base Metal: Steel conforms to ASTM A1011 SS GR 33, A1011 HSLAS GR 45, A36, A575, A576, or A635.
    • Electrogalvanized (EG):  Conforms to ASTM B633, Type III SC1
    • Unistrut Defender (DF):  Conforms to ASTM A1059
    • Hot Dip Galvanized (HG):  Conforms to ASTM A123 or A153
    • Perma-Green (GR):  Conforms to commercial standards for powder coating
    • Perma-Gold (ZD):  Conforms to ASTM B633, Type II SC1
    • Plain (PL):  No finish 

    Materials & Finishes - Special Metals:

    • Stainless Steel, Type 304 (SS):  Conforms to ASTM A240 or A276, Type 304 *
    • Stainless Steel, Type 316 (ST):  Conforms to ASTM A240 or A276, Type 316 *
    • Aluminum (AL):  Conforms to ASTM B209, Type 1100F or 5052-H32 *

    * These materials have different physical properties and performance characteristics. Please contact us for design support.