UNIVERSAL BRACKETING SYSTEM
523-24 SERIES
SPECIFICATION
Sioux Chief 523 Series PowerBar universal bracketing system shall be used where
necessary for supporting pipe or stub outs. Bracket shall be corrosion resistant,
adjust telescopically from 14"–26", and have dual fastening tabs on each end. Pilot
holes for #6–#10 screws shall be provided on three sides of the bracket. System
shall include screws for fastening tabs, and optional adjustable channel clamps
with elastomer inserts for fastening any pipe, tube, cable, etc. System shall be
approved for use with copper tube, CPVC tube, PEX/PB tube, steel pipe, CSST
lines, plastic or steel conduit, and low voltage DataCom cable. System shall be UV
resistant, and UPC listed.
MATERIALS
Brackets: 20 gauge zinc-plated steel
Channel clamp (black): nylon 66, V2 ame rating
Channel clamp (orange): polyvinylidene uoride (PVDF), meets ASTM E84 25/50 &
UL94 V-O ame rating
Clamp insert: thermoplastic elastomer
Screws: #8 × 1" Phillips, panhead, drill-tip, zinc-plated
SAFE WORKING LOAD*
Bracket
Span
Nylon channel clamps PVDF channel clamps
Safe load Temp. Safe load Temp. Safe load
14" 150 lbs. –10°–130°F 70 lbs. –10°–130°F 50 lbs.
17" 115 lbs. 131°–179°F 38 lbs. 131°–179°F 35 lbs.
21" 80 lbs. 180°–220°F 12 lbs. 180°–220°F 25 lbs.
24" 45 lbs. 220°F + — 220°F + —
*Safe working load = one-half failure of centrally hung load
INSTALLATION
Adjust bracket telescopically to desired length (bracket must have a minimum
overlap of 2"). Fastening all four tabs to building member. Slide channel clamps
(if applicable) to desired location along bracket. Place conduit between clamp
posts, and engage clamp bridge. Ratchet bridge of channel clamp down over both
posts evenly. It is permissible to use one bracket section and fasten directly
through channel.
DIMENSIONS
A: channel clamp post 1 "
B: channel clamp capacity ¼"-1 "
C: channel clamp base 1 "
D: pilot hole spacing 0.203" on center
E: tab length 1"
F: tab hole diameter 0.15"
G: outer/inner bracket length 14"
H: bracket height 0.529"
I: bracket width 0.602"
J: pilot hole diameter 0.1"
K: metal thickness 0.036"
L: tab screw length 1"
523-2414
PowerBar
™
Create Item Number
523A
e.g. 523-2424: 14"–26" adjustable steel bracket with two nylon channel clamps and four screws.
-24 = no channel clamps; no screws
-2414 = one nylon channel clamp; four screws
-2424 = two nylon channel clamps; four screws
F2424 = two E84 channel clamps; four screws
BRACKET CONFIGURATION A
-2404 = no channel clamps; six screws
-2434 = three nylon channel clamps; four screws
A
B
C
G
G
D
E
H
L
F
J
I
7
8
7
8
1
8
Sioux Chief Manufacturing Company | P: 1.800.821.3944 | F: 1.800.758.5950 | www.siouxchief.com
3-14
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