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Home > Products > Deflection Clips > PLC4 – Bypass Slab Slide Clip

PLC4 – Bypass Slab Slide Clip

The PLC4 Bypass Clip is a premium option for bypass curtain wall connections. The PLC4’s advanced design provides secure attachment to the main building structure while allowing seamless vertical deflection. The bypass clip has multiple features specifically designed to improve the user experience.

Premium Produ​ct

  • Quicker installation (custom screws)
  • Safer material handling (chamfered corners)
  • Increased load capacity
PLC4 Clip

Profile Features

The PLC4 Bypass Clip has been engineered to provide the greatest allowable loads in the industry. With input from the contractor, the clip is also designed to be user friendly and save labor. The following features help make this product the leader in the industry:

Movement

  • Deflection slots
    • 2¼” slots (allows for 2″ of total deflection)
    • 3 slots for multiple screw configurations
  • Proprietary Screws
    • Shouldered screws are provided for ease of installation

Strength

  • Stiffening lips and ribs
    • Increased compression strength for high wind loads
    • Stiffened clip face for ease of installation
  • Support gussets
    • Support gussets for transfer of tension forces from connection through the supporting structure

Versatility

  • Secure attachment
    • 4 pre-drilled holes for optional secure attachment
    • One clip for multiple uses to save labor on the job site
  • Pre-punched holes
    • Pre-punched holes for multiple attachment methods to structure

Safety

  • Coped corners
    • Fewer sharp corners for reduced possibility of field injury

PLC4 Brochure

Material Composition

  • Mill certified steel
  • ASTM A653/A653M
  • Clip
    • 68 mil material thickness
    • 57 ksi yield strength
    • 65 ksi tensile strength
    • G90 galvanized coating
  • Shouldered screw
    • ASTM C1513
    • C 1022 case hardened steel
    • Zinc plated coating
    • 1000 hours salt spray life
    • Exceeds standard screw life by over 10X
PLC4 550 F1

Allowable Loads

Part No. Stud Thickness F1 Allowable Loads (lbs) 2 #14 Screws
Mils Gauge Fy (ksi) Tension (lbs) Compression (lbs)
PLC4
350
33EQS 20 57 485 510
33 20 33 485 510
43EQS 18 57 601 621
43 18 33 601 621
54 16 50 928 935
68 14 50 1242 1086
97 12 50 1242 1086
118 10 50 1242 1086
Maximum Allowable Clip Load 1242 1086
Part No. Stud Thickness F1 Allowable Loads (lbs) 2 #14 Screws F1 Allowable Loads (lbs) 3 #14 Screws
Mils Gauge Fy (ksi) Tension Compression Tension Compression
PLC4
550
750
950
33EQS 20 57 485 510 738 784
33 20 33 485 510 738 784
43EQS 18 57 601 621 950 1006
43 18 33 601 621 950 1006
54 16 50 928 935 1367 1411
68 14 50 1242 1086 1480 1986
97 12 50 1242 1086 1480 1986
118 10 50 1242 1086 1480 1986
Maximum Allowable Clip Load 1242 1086 1480 1986

Secure Attachment Allowable Loads

Part No. Allowable Loads (lbs) F1-Direction (See Illustration Below)
Stud Properties 2 #10 Screws 4 #10 Screws
Thickness (mil) Gauge Fy (ksi) Tension (lbs) Compression (lbs) Tension (lbs) Compression (lbs)
PLC4
350
33EQS 20 57 353 353 485 510
33 20 33 353 353 707 707
43EQS 18 57 526 526 601 621
43 18 33 526 526 601 621
54 16 50 928 935 928 935
68 14 50 1242 1086 1242 1086
97 12 50 1242 1086 1242 1086
118 10 50 1242 1086 1242 1086
Part No. Allowable Loads (lbs) F1-Direction (See Illustration Below)
Stud Properties 2 #10 Screws 4 #10 Screws
Thickness (mil) Gauge Fy (ksi) Tension (lbs) Compression (lbs) Tension (lbs) Compression (lbs)
PLC4
550
750
950
33EQS 20 57 353 353 707 707
33 20 33 353 353 707 707
43EQS 18 57 526 526 950 1006
43 18 33 526 526 950 1006
54 16 50 928 935 1367 1411
68 14 50 1242 1086 1480 1986
97 12 50 1242 1086 1480 1986
118 10 50 1242 1086 1480 1986

Table Notes

        1. SCAFCO proprietary #14 shouldered screws described in section 3.2.2 of IAPMO ER 0494 must be used for allowable loads.
        2. Allowable loads are minimum of: ASD Allowable loads from testing, and 1/8” relative deflection service limit.
        3. Reference figure to the right for F1 Load direction and definition.
        4. Number of screws shall be designated by design professional to meet loading conditions.

Quantity / Order Information

Part No. Width Qty / Bucket Lbs / Bucket
PLC4-350 3 ½” 35 19
PLC4-550 5 ½” 35 26
PLC4-750 7 ½” 35 34
PLC4-950 9 ½” 25 30

All PLC4 clips include shouldered screws. Additional lengths available upon request.

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