Strut Services Group, Inc.

Unistrut Alabama

P1648S – P1653S

SKU P1648S-P1653S Categories ,
$

P1648S / P1649S / P1650S / 1651S / 1652S / P1653S 
Beam Clamp (1-5/8″ Series)

 

Part No. Nom. Pipe Size A B C D Finish Product Weight / Piece (lbs)
P1648S 1/4″-20 1/4″ – 20 1/8″ (3.2) 3/8″ x 1-1/2″ 7/8″ (22.2) EG 0.67
P1648S 1/4″-20 1/4″ – 20 1/8″ (3.2) 3/8″ x 1-1/2″ 7/8″ (22.2) HG 0.71
P1649S 5/16″-18 5/16″ – 18 1/8″ (3.2) 3/8″ x 1-1/2″ 7/8″ (22.2) EG 0.67
P1649S 5/16″-18 5/16″ – 18 1/8″ (3.2) 3/8″ x 1-1/2″ 7/8″ (22.2) HG 0.71
P1650S 3/8″ – 16 3/16″ (4.8) 1/2″ x 1-1/2″ 15/16″ (23.8) EG 1
P1650S 3/8″ – 16 3/16″ (4.8) 1/2″ x 1-1/2″ 15/16″ (23.8) HG 1.06
P1651S 1/2″ – 13 1/4″ (6.4) 1/2″ x 1-1/2″ 15/16″ (23.8) EG 1.3
P1651S 1/2″ – 13 1/4″ (6.4) 1/2″ x 1-1/2″ 15/16″ (23.8) HG 1.378
P1651S 1/2″ – 13 1/4″ (6.4) 1/2″ x 1-1/2″ 15/16″ (23.8) SS 1.3
P1652S 5/8″ – 11 5/16″ (7.9) 5/8″ x 1-1/2″ 1-5/16″ (33.3) EG 1.6
P1653S 3/4″ – 10 5/16″ (7.9) 5/8″ x 1-1/2″ 1-5/16″ (33.3) EG 1.6
P1653S 3/4″ – 10 5/16″ (7.9) 5/8″ x 1-1/2″ 1-5/16″ (33.3) HG 1.696

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 – 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 or SC3
  • 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.

Design Loads – P1648S thru P1653S
Part Number  Design Load
lbs (kN)
P1648S 650 (2.89)
P1649S 650 (2.89)
P1650S 1,100 (4.89)
P1651S 1,600 (7.12)
P1652S 2,400 (10.68)
P1653S 2,400 (10.68)

Notes:

Design loads only apply to Unistrut brand products. Look for “UNISTRUT” on the part.

Safety factor = 2.5 based on ultimate strength of connection.

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)

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