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Bolted Aluminum
Quadrant Strain Clamp

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T2 Conductor

DEADENDS
BOLTED
DOUBLE GROOVE STRAIN CLAMP
ALUMINUM
ALUMINUM
SDT2

Made with double groove keeper to accommodate twin(1) conductor. For Normal Tension transmission line construction with all aluminum, ACSR or aluminum alloy conductor.

Material: Body and Keeper—356-T6 aluminum alloy.
Hardware—galvanized steel
Sockets and clevises—ductile iron, galvanized
Cotter Pin—stainless steel
CATALOG
NUMBER		 CLAMP RANGE ULT.
BODY
STR.
LBS.		 U-
BOLTS		 DIMENSIONS APPROX.
WT.
EACH
LBS.
ACSR ALUMINUM INCHES NO. SIZE L H C K PD R X
SDT286N
SDT286S
SDT286C		 1/0-6/1
TO
2/0-6/1		 2/0-7 STR.
TO
2/0-19 STR		 .398
TO
.447		 25,000
25,000
25,000		 4 1/2 11 1/4 9 5/8 7 3/8 1 1/4 5/8 5 1 1/16 5.4
6.0
6.4
SDT2112N
SDT2112S
SDT2112C		 3/0-6/1
TO
4/0-6/1		 4/0-7 STR
TO
4/0-19 STR		 .502
TO
.562		 30,000
30,000
25,000		 5 1/2 13 1/8 11 1/2 8 1/4 1 3/8 3/4 6 1/2 1 3/8 8.4
9.9
10.0
SDT2185N
SDT2185S
SDT2185C		 226.8-26/7
TO
556.5-18/1		 336.4-19 STR
TO
556.5-37 STR		 .642
TO
.879		 50,000
30,000
30,000		 5 5/8 17 18 12 3/8 1 1/2 1 12 1 7/8 21.0
22.7
22.3
NOTES:
  • (1) Sag Eye Ultimate Strength is 60% of Clamp ultimate body strength without fitting.
  • (2) Rated slip strength as a % of conductor RBS varies with conductor type, size and stranding.
    Minimum slip strength rating on standard strength conductors is 40% RBS (Partial Tension).
    For most standard strength conductors, mininum slip strength of this clamp series is 60% RBS (Normal Tension).
    (Consult factory for slip strength test data on specific clamp & conductor combinations.)
  • (3) Recommended torque on u-bolts: 1/2" -- 480 in-lbs., 5/8" -- 720 in-lbs.
  • (4) Bolt and Nut may be substituted for clevis pin by adding suffix "BNK" to catalog number.
  • (5) For corona-free applictions on EHV lines, add suffix "CRF" to catalog number. Example SD130NCRF.
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