SPF ® 300 - Seismic Pivot Fittings Seismic Components
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Unistrut
Design Load
ꞏ Notes: 1. Design load is limited to slip capacity of a channel nut at hole "R". 2. Allowable loads have been determined by the manufacturers testing, analysis and technical specifications at 45° from horizontal. 3. For retrofit application, engineer of record must verify. 4. Square washer provided with fitting. 5. When a hanger rod is thru-bolted (in lieu of channel nut installation), higher transverse loads may be transmitted due to the higher allowed rod shear loads compared to channel nut slip values. This higher load may be used with verification through engineering calculations.
30° - 60°
Part Number
Rod Size
“R” - Hole Diameter
Design Load
(in) (mm)
(in) 7⁄16
(mm)
(lb)
(kN)
1 3 ⁄ 4 " (44.5)
SPF 300-037 3⁄8
9.5
11.1 1,400 6.23
Rotate Around Rod to Close
1 3 ⁄ 4 " (44.5)
9 ⁄ 16 " (14.3)
SPF 300-050 1⁄2 12.7 9⁄16 14.3 2,100 9.34 SPF 300-062 5⁄8 15.9 11⁄16 17.5 2,100 9.34 SPF 300-075 3⁄4 19.1 13⁄16 20.6 2,400 10.68
2" (50.8)
2" (50.8) 13 ⁄ 16 " (20.6)
R
Welded Eye
Safety Factor = 3 FINISH Electro-galvanized (EG), conforming to ASTM B633 Type III SC1.
135°
3 ⁄ 8 " (9.5)
3 ⁄ 8 " (9.5)
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SPF ® 400 - Seismic Pivot Fittings
Unistrut
ꞏ Notes: 1. Allowable loads have been determined by the manufacturers testing, analysis and technical specifications 2. Galvanized wire rope, 7 x 19 IWSC, RHRL (Prestretched) 3. Torque on nut/spacer: 50 ft-lbs 4. Safety Factor of 3 for prestreched cable
Horizontal Design Load
Wire Rope Diameter
4-Way Splayed
Single Cable Transverse
Transverse Longitudinal
LOAD
(in) (mm) (lb) (kN)
(lb)
(kN)
(lb) (kN)
LOAD
3⁄16
4.8 1050 4.67 1116 4.96 650 2.89
Rotate Around Rod to Close
Part Number
Rod Size
“R” - Hole Diameter
LOAD
1 3 ⁄ 4 " (44.5)
Slotted Bolt
Slotted Spacer
(in) (mm)
(in) 7⁄16
(mm) 11.1
2" (50.8)
SPF 400-037 3⁄8
9 ⁄ 16 " (14.3)
9.5
Square Washer
SPF 400-050 1⁄2 12.7 9⁄16 14.3 SPF 400-062 5⁄8 15.9 11⁄16 17.5 SPF 400-075 3⁄4 19.1 13⁄16 20.6
135°
Nut
R
3 ⁄
16 " Galvanized Cable
2" (50.8)
3 ⁄ 8 " (9.5)
Gripper
Engagement Tab
3 ⁄ 8 " (9.5)
FINISH Electro-galvanized (EG), conforming to ASTM B633 Type III SC1.
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