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Linear Speed Limiters
Put an end to lids and doors that slam shut or fly open—install these speed limiters for smooth, controlled motion. For speed limiters with adjustable resistance, pull the rod until it's fully extended, then twist it to change the resistance.
A cycle is one rod stroke from extended to compressed and back to extended. Free travel of stroke is the percentage of the stroke that speed limiters move with no resistance, before speed control engages.
Compression speed limiters prevent closing doors from slamming.
Extension speed limiters prevent doors from flying open.
Compression and extension speed limiters prevent doors from slamming and flying open.
For technical drawings and 3-D models, click on a part number.
Rod | Ball Stud | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbs. | Free Travel of Stroke | Max. Cycles per Minute | Rod Material | Body Material | Body Dia. | Dia. | Thread Size  | Thread Pitch, mm | Dia., mm | Lg. | Thread Lg. | Thread Size | Thread Pitch, mm | Each | |
Compression | ||||||||||||||||||
Variable Adjustment | ||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 0000000 |
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 8.3" | 6.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3" | 9.2" | 6.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3.9" | 12.6" | 8.7" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 20.5" | 12.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
Fixed | ||||||||||||||||||
| 2" | 7.9" | 5.9" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 3" | 10" | 7" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 4" | 12.5" | 8.5" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 5" | 14.5" | 9.5" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 5" | 15" | 10" | 50 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.59" | 0.25" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 6" | 17" | 11" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 100 | 30% | 6 | Black-Nitride Steel | Electrocoated Steel | 0.87" | 0.32" | M6 | 1 | 10 | 1.28" | 0.55" | 5/16"-18 | __ | 0000000 | 00000 |
Extension | ||||||||||||||||||
Variable Adjustment | ||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 8.3" | 6.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3" | 9.2" | 6.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 13 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 20.5" | 12.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 20 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 30 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
Compression and Extension | ||||||||||||||||||
Variable Adjustment | ||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 8 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 8 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 2" | 8.2" | 6.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3" | 9.3" | 6.3" | 112 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.59" | 0.24" | M5 | 0.8 | 8 | 0.97" | 0.35" | M5 | 0.8 | 0000000 | 000000 |
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 3.9" | 12.6" | 8.7" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 0.87" | 0.31" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 20.4" | 12.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 19.5 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.1" | 0.39" | M8 | 1.25 | 13 | 1.52" | 0.65" | M8 | 1.25 | 0000000 | 000000 |
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Chrome-Plated Steel | Anodized Aluminum | 1.57" | 0.55" | M14 | 1.5 | 19.5 | 2.48" | 1.1" | M14 | 1.5 | 0000000 | 000000 |
Corrosion-Resistant Linear Speed Limiters
Smoothly open and close doors, lids, and access panels in damp and corrosive environments with these 316 stainless steel speed limiters.
A cycle is one rod stroke from extended to compressed and back to extended. Free travel of stroke is the percentage of the stroke that speed limiters move with no resistance, before speed control engages.
Compression speed limiters prevent closing doors from slamming.
Compression and extension speed limiters prevent doors from slamming and flying open.
For technical drawings and 3-D models, click on a part number.
Rod | Ball Stud | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbs. | Free Travel of Stroke | Max. Cycles per Minute | Body Dia. | Material | Dia. | Thread Size | Thread Pitch, mm | Dia. | Lg. | Thread Lg. | Thread Size | Temp. Range, °F | Each | |
Compression | |||||||||||||||||
Fixed | |||||||||||||||||
| 2" | 7.9" | 5.9" | 150 | 35% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 000000 |
| 3" | 10" | 7" | 150 | 31% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.5" | 8.5" | 150 | 28% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 5" | 14.5" | 9.5" | 250 | 31% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
Compression and Extension | |||||||||||||||||
Fixed | |||||||||||||||||
| 2" | 7.9" | 5.9" | 150 | 35% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 3" | 10" | 7" | 150 | 31% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 5" | 14.5" | 9.5" | 250 | 31% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 5" | 15" | 10" | 150 | 27% | 6 | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 6" | 17" | 11" | 250 | 30% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 | 1 | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20° to 170° | 0000000 | 00000 |
Precise-Control Linear Speed Limiters
Regulate the speed or feed rate of drill presses, milling machines, lathes, and similar devices. These speed limiters have a knob with numbered scale so you can make precise adjustments to the resistance. Insert a rod in the mounting hole in the knob to rotate for adjustments.
A cycle is one rod stroke from extended to compressed and back to the original extended position. Free travel of stroke is 0%, so the entire stroke is speed controlled.
For technical drawings and 3-D models, click on a part number.
Speed Limiters
Rod | Body | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbs. | Max. Cycles per Minute | Material | Dia. | Seal Material | Material | Dia. | Adjustment Hole Dia. | Temp. Range, ° F | Each | |
Compression | |||||||||||||
Variable Adjustment | |||||||||||||
| 0.5" | 6.33" | 5.83" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 0000000 |
| 1" | 7.83" | 6.83" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 000000 |
| 2" | 10.87" | 8.87" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 000000 |
| 3" | 13.87" | 10.87" | 1,200 | Not Rated | Stainless Steel | 0.31" | Neoprene Rubber | Zinc-Plated Steel | 0.94" | 0.31" | 40° to 135° | 000000 | 000000 |
Mounting Blocks
| Wd. | Ht. | Dp. | Material | Mount. Hole Dia. | Ctr.-to-Ctr. Mount. Hole Ht. | Each | |
| 1 1/4" | 2 1/4" | 1 1/4" | Aluminum | 0.39" | 1.44" | 0000000 | 000000 |