P1648S thru P1653S - Beam Clamp (1-5/8" Series)

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  • P1648S Table
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Cut Sheet
Part No. A B C D Finish Product Weight / Piece (lbs)
P1648S 1/4" - 20 1/8 (3) 3/8" x 1-1/2" 7/8 (22) EG 0.67
P1648S 3/8" - 16 1/8 (3) 3/8" x 1-1/2" 7/8 (22) HG 0.71
P1648S 5/16" - 18 1/8 (3) 3/8" x 1-1/2" 7/8 (22) GR 0.67
P1649AS 3/8" - 16 3/16 (5) 1/2" x 1-1/2" 15/16" (24) EG 0.67
P1649AS 1/2" - 13 1/4" (6) 1/2" x 1-1/2" 15/16" (24) HG 0.71
P1649AS 1/2" - 13 3/16 (5) 1/2" x 1-1/2" 15/16" (24) GR 0.67
P1649S 5/8" - 11 1/4" (6) 1/2" x 1-1/2" 15/16" (24) EG 0.67
P1649S 3/4" - 10 5/16" (8) 5/8" x 1-1/2" 1-5/16" (33) HG 0.71
P1649S 5/8" - 11 5/16" (8) 5/8" x 1-1/2" 1-5/16" (33) GR 0.67
P1650AS EG 1
P1650AS HG 1.06
P1650AS GR 1
P1650S EG 1
P1650S HG 1.06
P1650S GR 1
P1651AS EG 1.3
P1651AS HG 1.378
P1651AS GR 1.3
P1651S EG 1.3
P1651S HG 1.378
P1651S GR 1.3
P1651S SS 1.3
P1652S EG 1.6
P1652S HG 1.696
P1652S GR 1.6
P1653S EG 1.6
P1653S HG 1.696
P1653S GR 1.6

    Design Loads


    Notes:

    1. Design loads only apply to Unistrut brand products. Look for "UNISTRUT" on the part.
    2. Safety factor = 2.5 based on ultimate strength of connection.
    3. Set Screw Installation Torque:

    P1648S, P1649S:  60 in-lbs (7 N-m)
    P1650S, P1651S:  125 in-lbs (14 N-m)
    P1652S, P1653S:  250 in-lbs (28 N-m)

    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.

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