ALSO KNOWN AS “RETAINER CLAMPS” OR “FRICTION CLAMPS”

For use in preventing underground pipe joints from separating. They are designed for centrifugally-spun cast and ductile iron pipe with OD’s as shown in the table below.

All Socket Clamps include two half clamps, two bolts and nuts and two washers. Sizes 3″ through 12″ are supplied with #585 cast washers, which are shown below as replacement parts. Sizes 14″ and larger are supplied with two fabricated washers.

Used with all-thread rod and Trumbull tie-lugs or tie-bolts for joint restraint (click HERE for link).

STEEL SOCKET CLAMPS

Trumbull Item No. Size Bolt Size Stock Size Pipe OD Weight
364-3401 3" 5/8" x 3" 3/8" x 2" 3.96 5.65 lbs
364-3402 4" 5/8" x 3" 1/2" x 2" 4.8 7.15 lbs
364-3403 6" 5/8" x 3" 1/2" x 2" 6.9 8.75 lbs
364-3404 8" 5/8" x 3" 1/2" x 2" 9.05 10.60 lbs
364-3405 10" 5/8" x 3" 1/2" x 2" 11.1 12.35 lbs
364-3406 12" 5/8" x 3-1/2" 1/2" x 2" 13.2 13.80 lbs
364-3428 14" 7/8" x 4" 3/4" x 3" 15.8 48.00 lbs
364-3429 16" 1" x 4-1/2" 3/4" x 4" 17.4 70.00 lbs
364-3430 18" 1-1/4" x 4-1/2" 3/4" x 4" 19.5 79.00 lbs
364-3431 20" 1-1/4" x 4-1/2" 3/4" x 4.5" 21.6 91.00 lbs
364-3432 24" 1-1/2" x 5" 3/4" x 5" 25.8 118.00 lbs

304 STAINLESS STEEL SOCKET CLAMPS

Includes 304SS half clamps, stainless steel washers, and stainless steel hardware

Trumbull Item No. Size Bolt Size Stock Size Pipe OD Weight
803-3401 3" 5/8" x 3" 3/8" x 2" 3.96 5.65 lbs
803-3402 4" 5/8" x 3" 1/2" x 2" 4.8 7.15 lbs
803-3403 6" 5/8" x 3" 1/2" x 2" 6.9 8.75 lbs
803-3404 8" 5/8" x 3" 1/2" x 2" 9.05 10.60 lbs
803-3405 10" 5/8" x 3" 1/2" x 2" 11.1 12.35 lbs
803-3406 12" 5/8" x 3-1/2" 1/2" x 2" 13.2 13.80 lbs

#585 WASHERS

  • Used with 3″ through 12″ Socket Clamps
  • Usage for 3/4″ all-thread rod
  • Two washers are required for each Socket Clamp used
Trumbull Item No. Bore Size Material Weight
364-9000 1" ductile iron 0.80 lbs.
803-9000 1" stainless steel 0.80 lbs.