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Home Your Search 3 Springs and Spring Hardware Extension Springs
25-42-130

Extension Spring 7' Door - 130 lbs Yellow

  • Double - Loop
  • 25" long 42" stretch 130 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
25-42-300

Extension Spring 7' Door - 300 lbs Tan w/ clip

  • Double - Loop
  • 25" long 42" stretch 300 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-48-130

Extension Spring 8' Door - 130 lbs Yellow

  • Single - Loop
  • 27" long 48" stretch 130 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
EXT-HDWR-BOX-7/8

Installation Box for Extension Springs for 7' & 8' Doors

  • Installation Hardware includes 3" sheaves sheave strap cables safety cable fasteners
25-42-320

Extension Spring 7' Door - 320 lbs Green w/ clip

  • Double - Loop
  • 25" long 42" stretch 320 lb load
  • Sold individually
  • Rated for 10000 cycles
27-48-300

Extension Spring 8' Door - 300 lbs Tan

  • Single - Loop
  • 27" long 48" stretch 300 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
32-48-120

Extension Spring 8' Door - 120 lbs Green *** Replaced by 27-48-120

  • Double - Loop
  • 32" long 48" stretch 120 lb load
  • Springs sold individually
Spec Sheet
32-48-170

Extension Spring 8' Door - 170 lbs Orange ** Replaced by 27-48-170

  • Double - Loop
  • 32" long 48" stretch 170 lb load
  • Springs sold individually
  • Rated for 10000 cycles
Spec Sheet
44-60-300

Extension Spring 10' Door - 300 lbs Tan ** By Quote Only

  • Clipped ends
  • 44" long 60" stretch 300 lb load
27-48-380

Extension Spring 8' Door - 380 lbs Gold

  • Single - Loop
  • 27" long 48" stretch 380 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
32-48-100

Extension Spring 8' Door - 100 lbs Tan ** Replaced by 27-48-100

  • Double - Loop
  • 32" long 48" stretch 100 lb load
  • Springs sold individually
Spec Sheet
27-48-320

Extension Spring 8' Door - 320 lbs Green

  • Single - Loop
  • 27" long 48" stretch 320 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
32-48-150

Extension Spring 8' Door - 150 lbs Red ** Replaced by 27-48-150

  • Double - Loop
  • 32" long 48" stretch 150 lb load
  • Springs sold individually
Spec Sheet
32-48-110

Extension Spring 8' Door - 110 lbs White ** Replaced by 27-48-110

  • Double - Loop
  • 32" long 48" stretch 110 lb load
  • Springs sold individually
Spec Sheet
27-48-360

Extension Spring 8' Door - 360 lbs Brown

  • Single - Loop
  • 27" long 48" stretch 360 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
27-48-340

Extension Spring 8' Door - 340 lbs Blue

  • Single - Loop
  • 27" long 48" stretch 340 lb load
  • Sold individually
  • Rated for 10000 cycles
Spec Sheet
32-48-200

Extension Spring 8' Door - 200 lbs Tan ** Replaced by 27-48-200

  • Double - Loop
  • 32" long 48" stretch 200 lb load
  • Springs sold individually
Spec Sheet
.306-.250-DUPLX

Duplex Assembly .306 x 6" x 39" and .250 x 3-3/4" x 39" with Cones Right Hand

  • Assembled by manufacturer
32-48-300

Extension Spring 8' Door - 300 lbs Tan ** Replaced by 27-48-300

  • Double - Loop
  • 32" long 48" stretch 300 lb load
  • Springs sold individually
Spec Sheet
32-48-240

Extension Spring 8' Door - 240 lbs Blue ** Replaced by 27-48-240

  • Double - Loop
  • 32" long 48" stretch 240 lb load
  • Springs sold individually
Spec Sheet