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Home > Products > Deflection Clips > DPLS2 – Bypass Slab Drift Strut

DPLS2 – Bypass Slab Drift Strut

The DPLS2 slide strut attaches the by-pass curtain wall stud to the building structure, allowing for vertical deflection and lateral drift. The inserts are pre-installed to the strut, making installation quick, easy, and efficient. Patent No. 7478508-B2

DPLS2 Clip

Features & Benefits

  • Insert allows for 2” total vertical deflection and 2” lateral drift
    – Greater than 2” are available
  • Loads based on #12 screws
  • Large insert pieces for easy installation
  • Pre-punched guide holes
  • Transfers horizontal loads into structure
thumbnail of DPLS2

DPLS2 Submittal Download

Material Composition

  • Mill certified steel
  • ASTM A653/A653M
  • Strut
    – Material thickness: 118 mil
    – Yield strength: 57 ksi
    – Tensile strength: 65 ksi
    – G90 galvanized coating
  • Insert
    – Material thickness: 97 mil
    – Yield strength: 57 ksi
    – Tensile strength: 65 ksi
    – G90 galvanized coating

Allowable Loads

Model No. Stud Thickness F1 Allowable Loads (lbs)
Mils Gauge Fy (ksi) 2 #12 Screws* 3 #12 Screws*
DPLS2 33EQS 20 57 429 643
33 20 33 377 565
43EQS 18 57 677 1015
43 18 33 561 841
54 16 50 1139 1709
68 14 50 1610 1950
97 12 50 1950 1950
118 10 50 1950 1950
Maximum Allowable Clip Load 1950 1950

* Number of screws per insert

Table Notes

  1. Allowable loads have not been increased for wind, seismic, or other factors.
  2. Screw spacing and edge distance shall not be less than 3 x d. (d=nominal screw diameter)
  3. The allowable loads are based on the steel properties of the members being connected, per AISI Section E4.
  4. When connecting materials of different thicknesses or tensile strength (Fu), the lowest applicable values should be used.
  5. Screw shear capacities are based on allowable strength design (ASD) and include a safety factor of 3.0.
  6. Penetration of screws through joined materials should not be less than 3 exposed threads. Install and tighten screws in accordance with the screw manufacturer’s recommendations.
  7. Applied loads may be multiplied by ¾ for seismic or wind loading, per AISI A 5.1.3
  8. Loads are for attachment of DPLS2 Drift Strut to stud only. It is the responsibility of the designer to check the bending in the other leg of this strut and its connection to the structure members, depending on the direction of forces.

Quantity / Order Information

Model No. Left / Right Handed Width
DPLS2-1200 (L) or (R) 12″
DPLS2-1500 (L) or (R) 15″
DPLS2-1800 (L) or (R) 18″
DPLS2-2000 (L) or (R) 20″

All DPLS2 struts include inserts. Additional lengths available upon request.

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