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DFARS Specialty Metals
Export Control Classification Number (ECCN)
Linear Speed Limiters
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Put an end to lids and doors that slam shut or fly open—install these speed limiters for smooth, controlled motion.
Compression Speed Limiter—Compression speed limiters prevent closing doors from slamming.
Extension Speed Limiter—Extension speed limiters prevent doors from flying open.
Compression-and-Extension Speed Limiter—Compression and extension speed limiters prevent doors from slamming and flying open.
Adjustable—For speed limiters with adjustable resistance, pull the rod until it's fully extended, then twist it to change the resistance.
Free Travel of Stroke—Free travel of stroke is the percentage of the stroke that speed limiters move with no resistance, before speed control engages.
Maximum Cycles per Minute—A cycle is one rod stroke from extended to compressed and back to extended.
Body | Rod | Ball Stud | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbf | Free Travel of Stroke | Max. Cycles per min., cpm | Material | Dia. | Material | Dia. | Thread Size | Seal Material | Dia., mm | Lg. | Thread Lg. | Thread Size | Temp. Range, ° F | Each | |||
Compression Speed Limiter | ||||||||||||||||||||
Variable Adjustment | ||||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9954K81 | 0000000 | ||
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9954K82 | 000000 | ||
| 2" | 8.3" | 6.3" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K84 | 000000 | ||
| 3" | 9.2" | 6.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9954K83 | 000000 | ||
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K85 | 000000 | ||
| 3.9" | 12.6" | 8.7" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K87 | 000000 | ||
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K86 | 000000 | ||
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K88 | 000000 | ||
| 7.9" | 20.5" | 12.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K89 | 000000 | ||
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Anodized Aluminum | 1.57" | Chrome-Plated Steel | 0.55" | M14 × 1.5 mm | Buna-N | 13 | 2.48" | 1.1" | M14 × 1.5 mm | -4 to 175 | 9954K93 | 000000 | ||
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K91 | 000000 | ||
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9954K92 | 000000 | ||
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Anodized Aluminum | 1.57" | Chrome-Plated Steel | 0.55" | M14 × 1.5 mm | Buna-N | 13 | 2.48" | 1.1" | M14 × 1.5 mm | -4 to 175 | 9954K94 | 000000 | ||
Fixed | ||||||||||||||||||||
| 2" | 7.9" | 5.9" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K61 | 00000 | ||
| 3" | 10" | 7" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K62 | 00000 | ||
| 4" | 12.2" | 8.2" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K63 | 00000 | ||
| 4" | 12.5" | 8.5" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K81 | 00000 | ||
| 5" | 14.5" | 9.5" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K64 | 00000 | ||
| 5" | 15" | 10" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K82 | 00000 | ||
| 6" | 17" | 11" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K65 | 00000 | ||
| 7" | 19.7" | 12.7" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K83 | 00000 | ||
Extension Speed Limiter | ||||||||||||||||||||
Variable Adjustment | ||||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9898K81 | 000000 | ||
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9898K82 | 000000 | ||
| 2" | 8.3" | 6.3" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9898K84 | 000000 | ||
| 3" | 9.2" | 6.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9898K83 | 000000 | ||
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9898K85 | 000000 | ||
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9898K86 | 000000 | ||
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9898K88 | 000000 | ||
| 7.9" | 20.5" | 12.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9898K89 | 000000 | ||
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Anodized Aluminum | 1.57" | Chrome-Plated Steel | 0.55" | M14 × 1.5 mm | Buna-N | 13 | 2.48" | 1.1" | M14 × 1.5 mm | -4 to 175 | 9898K93 | 000000 | ||
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9898K91 | 000000 | ||
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9898K92 | 000000 | ||
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Anodized Aluminum | 1.57" | Chrome-Plated Steel | 0.55" | M14 × 1.5 mm | Buna-N | 13 | 2.48" | 1.1" | M14 × 1.5 mm | -4 to 175 | 9898K94 | 000000 | ||
Fixed | ||||||||||||||||||||
| 2" | 7.9" | 5.9" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K51 | 00000 | ||
| 3" | 10" | 7" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K52 | 00000 | ||
| 4" | 12.2" | 8.2" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K53 | 00000 | ||
| 4" | 12.5" | 8.5" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K71 | 00000 | ||
| 5" | 14.5" | 9.5" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K54 | 00000 | ||
| 5" | 15" | 10" | 50 | 30% | 6 | Electrocoated Steel | 0.59" | Nitride-Coated Steel | 0.25" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K72 | 00000 | ||
| 6" | 17" | 11" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K55 | 00000 | ||
| 7" | 19.7" | 12.7" | 100 | 30% | 6 | Electrocoated Steel | 0.87" | Nitride-Coated Steel | 0.32" | M6 × 1 mm | — | 10 | 1.28" | 0.55" | 5/16"-18 | -22 to 176 | 6521K73 | 00000 | ||
Compression-and-Extension Speed Limiter | ||||||||||||||||||||
Variable Adjustment | ||||||||||||||||||||
| 1" | 5.3" | 4.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9899K81 | 000000 | ||
| 2" | 7.3" | 5.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9899K82 | 000000 | ||
| 2" | 8.2" | 6.3" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K84 | 000000 | ||
| 3" | 9.3" | 6.3" | 112 | 20% | Not Rated | Anodized Aluminum | 0.59" | Chrome-Plated Steel | 0.24" | M5 × 0.8 mm | Buna-N | 13 | 0.97" | 0.35" | M5 × 0.8 mm | -4 to 175 | 9899K83 | 000000 | ||
| 3.9" | 12.2" | 8.3" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K85 | 000000 | ||
| 3.9" | 12.6" | 8.7" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K87 | 000000 | ||
| 5.9" | 16.1" | 10.2" | 270 | 20% | Not Rated | Anodized Aluminum | 0.87" | Chrome-Plated Steel | 0.31" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K86 | 000000 | ||
| 5.9" | 16.5" | 10.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K88 | 000000 | ||
| 7.9" | 20.4" | 12.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K89 | 000000 | ||
| 7.9" | 22.2" | 14.4" | 720 | 20% | Not Rated | Anodized Aluminum | 1.57" | Chrome-Plated Steel | 0.55" | M14 × 1.5 mm | Buna-N | 13 | 2.48" | 1.1" | M14 × 1.5 mm | -4 to 175 | 9899K93 | 000000 | ||
| 9.8" | 24.4" | 14.6" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K91 | 000000 | ||
| 11.8" | 28.3" | 16.5" | 270 | 20% | Not Rated | Anodized Aluminum | 1.1" | Chrome-Plated Steel | 0.39" | M8 × 1.25 mm | Buna-N | 13 | 1.52" | 0.65" | M8 × 1.25 mm | -4 to 175 | 9899K92 | 000000 | ||
| 11.8" | 30.1" | 18.3" | 720 | 20% | Not Rated | Anodized Aluminum | 1.57" | Chrome-Plated Steel | 0.55" | M14 × 1.5 mm | Buna-N | 13 | 2.48" | 1.1" | M14 × 1.5 mm | -4 to 175 | 9899K94 | 000000 | ||
Rotary Speed Limiters
 |  |
Gearless Shaft Style A | Gearless Shaft Style B |
 |  |
Gearless Shaft Style C | Geared Shaft Style A |
 | |
Geared Shaft Style B |
Gearless Shaft
| |
Style A | Style B |
| |
Style C |
Overall | Shaft | Mounting Holes | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in·ozf | Torque Tolerance Range, in·ozf | Lg. | Wd. | Ht. | Dia. | Lg. | Wd. | Material | Temp. Range, ° F | Max. Cycles per min. | Max. Rotation Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |||
Style A | |||||||||||||||||||
360° Clockwise and Counterclockwise Rotation | |||||||||||||||||||
| 4.32 | -1.11 to 1.12 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K8 | 000000 | ||
360° Clockwise Rotation | |||||||||||||||||||
| 2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K111 | 00000 | ||
| 4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K112 | 00000 | ||
360° Counterclockwise Rotation | |||||||||||||||||||
| 2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K113 | 00000 | ||
| 4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.14" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K114 | 00000 | ||
Style B | |||||||||||||||||||
360° Clockwise and Counterclockwise Rotation | |||||||||||||||||||
| 0.14 | -0.064 to 0.064 | 0.75" | 0.39" | 0.24" | 0.1" | 0.12" | 0.08" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.55" | No | 6597K125 | 0000 | ||
| 0.29 | -0.088 to 0.088 | 0.95" | 0.59" | 0.26" | 0.14" | 0.15" | 0.1" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 6597K44 | 0000 | ||
| 0.66 | -0.14 to 0.14 | 0.95" | 0.59" | 0.26" | 0.14" | 0.15" | 0.1" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 6597K45 | 0000 | ||
| 1.41 | -0.28 to 0.28 | 0.95" | 0.59" | 0.26" | 0.14" | 0.15" | 0.1" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 6597K14 | 0000 | ||
| 21 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K19 | 00000 | ||
360° Clockwise Rotation | |||||||||||||||||||
| 7 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K128 | 00000 | ||
| 14 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K126 | 00000 | ||
| 21 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K127 | 00000 | ||
360° Counterclockwise Rotation | |||||||||||||||||||
| 7 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K132 | 00000 | ||
| 14 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K129 | 00000 | ||
| 21 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 0.16" | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K131 | 00000 | ||
Style C | |||||||||||||||||||
360° Clockwise and Counterclockwise Rotation | |||||||||||||||||||
| 70.74 | -14.08 to 14.07 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K115 | 00000 | ||
| 141.63 | -28.32 to 28.32 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K116 | 00000 | ||
| 283.26 | -56.65 to 56.65 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K18 | 00000 | ||
| 424.89 | -113.3 to 113.3 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K117 | 00000 | ||
360° Clockwise Rotation | |||||||||||||||||||
| 70.74 | -14.08 to 14.07 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K118 | 00000 | ||
| 141.63 | -28.32 to 28.32 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K119 | 00000 | ||
| 283.26 | -56.65 to 56.65 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K121 | 00000 | ||
360° Counterclockwise Rotation | |||||||||||||||||||
| 70.74 | -14.08 to 14.07 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K122 | 00000 | ||
| 283.26 | -56.65 to 56.65 | 1.85" | 1.85" | 1.65" | 0.24" | 0.39" | 0.2" | Steel | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.21" | 1.42" | No | 6597K124 | 00000 | ||
Geared Shaft
|
Style A |
|
Style B |
Speed limiters with a geared shaft must be used with gears that have the same 20° pressure angle and module.
360° Rotation—Speed limiters with a 360° rotation angle are often used to move small hoods, flaps, and fans. A cycle is one shaft rotation.
Clockwise Rotation and Counterclockwise Rotation—Clockwise and counterclockwise speed limiters dampen motion in the listed direction, moving freely in the opposite direction. Use them in processes that require returning a part to its original position.
Clockwise and Counterclockwise Rotation—Clockwise-and-counterclockwise speed limiters dampen motion in both directions. Common uses for them include controlling the motion of a switch-activated door and opening and closing a DVD player.
Overall | Shaft | Mounting Holes | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in·ozf | Torque Tolerance Range, in·ozf | Lg. | Wd. | Ht. | Dia. | Lg. | Gear Module | Gear Pitch Dia., mm | Gear Material | Temp. Range, ° F | Max. Cycles per min. | Max. Rotation Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |||
Style A | ||||||||||||||||||||
360° Clockwise and Counterclockwise Rotation | ||||||||||||||||||||
| 2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K133 | 000000 | ||
| 4.32 | -1.11 to 1.12 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K7 | 00000 | ||
360° Clockwise Rotation | ||||||||||||||||||||
| 2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K134 | 00000 | ||
| 4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K135 | 00000 | ||
360° Counterclockwise Rotation | ||||||||||||||||||||
| 2.88 | -0.8 to 0.8 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K136 | 00000 | ||
| 4.32 | -1.12 to 1.6 | 1.08" | 0.59" | 0.55" | 0.16" | 0.18" | 0.8 | 8.8 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.13" | 0.83" | No | 6597K137 | 00000 | ||
Style B | ||||||||||||||||||||
360° Clockwise and Counterclockwise Rotation | ||||||||||||||||||||
| 0.14 | -0.064 to 0.064 | 0.75" | 0.39" | 0.24" | 0.1" | 0.12" | 0.6 | 6 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.55" | No | 6597K138 | 0000 | ||
| 0.29 | -0.088 to 0.088 | 0.95" | 0.59" | 0.26" | 0.31" | 0.15" | 0.5 | 7 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 6597K34 | 0000 | ||
| 0.66 | -0.14 to 0.14 | 0.95" | 0.59" | 0.26" | 0.31" | 0.15" | 0.5 | 7 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 6597K35 | 0000 | ||
| 1.41 | -0.28 to 0.28 | 0.95" | 0.59" | 0.26" | 0.31" | 0.15" | 0.5 | 7 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.08" | 0.75" | No | 6597K36 | 0000 | ||
| 7 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K142 | 00000 | ||
| 21 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K141 | 00000 | ||
360° Clockwise Rotation | ||||||||||||||||||||
| 7 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K145 | 00000 | ||
| 14 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K143 | 00000 | ||
| 21 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K144 | 00000 | ||
360° Counterclockwise Rotation | ||||||||||||||||||||
| 7 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K148 | 00000 | ||
| 14 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K146 | 00000 | ||
| 21 | — | 1.97" | 0.98" | 0.75" | 0.2" | 0.2" | 1 | 12 | Acetal | 32 to 122 | Not Rated | 50 | Polycarbonate | 0.17" | 1.57" | No | 6597K147 | 00000 | ||
Small-Diameter Shaft
 |
110° Rotation—Speed limiters with a 105°, 110°, or 130° rotation angle are commonly used for small movements, such as closing lids.
Clockwise Rotation and Counterclockwise Rotation—Clockwise and counterclockwise speed limiters dampen motion in the listed direction, moving freely in the opposite direction. Use them in processes that require returning a part to its original position.
Overall | Shaft | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in·ozf | Dia. | Ht. | Dia. | Lg. | Wd. | Temp. Range, ° F | Max. Cycles per min., cpm | Max. Rotation Speed, rpm | Material | Fasteners Included | Each | |||
110° Clockwise Rotation | ||||||||||||||
| 141.61 | 0.79" | 1.78" | 0.47" | 0.79" | 0.31" | 23 to 122 | 5 | — | Plastic | No | 6597K171 | 000000 | ||
| 424.89 | 0.79" | 1.78" | 0.47" | 0.79" | 0.31" | 23 to 122 | Not Rated | 50 | Polycarbonate | No | 6597K162 | 00000 | ||
110° Counterclockwise Rotation | ||||||||||||||
| 141.61 | 0.79" | 1.78" | 0.47" | 0.79" | 0.31" | 23 to 122 | 5 | — | Plastic | No | 6597K173 | 00000 | ||
EachIn stock  Select a compatible file type: Parasolid | ||||||||||||||
| 424.89 | 0.79" | 1.86" | 0.47" | 0.79" | 0.31" | 23 to 122 | Not Rated | 50 | Polycarbonate | No | 6597K164 | 00000 | ||
Adjustable-Torque Shaft
 |
Speed limiters with adjustable torque have a knob on the back to control damping torque. Use them in applications that require fine tuning.
105° Rotation—Speed limiters with a 105°, 110°, or 130° rotation angle are commonly used for small movements, such as closing lids.
Clockwise Rotation and Counterclockwise Rotation—Clockwise and counterclockwise speed limiters dampen motion in the listed direction, moving freely in the opposite direction. Use them in processes that require returning a part to its original position.
Clockwise and Counterclockwise Rotation—Clockwise-and-counterclockwise speed limiters dampen motion in both directions. Common uses for them include controlling the motion of a switch-activated door and opening and closing a DVD player.
Overall | Shaft | Mounting Holes | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in·ozf | Lg. | Wd. | Ht. | Dia. | Lg. | Wd. | Material | Temp. Range, ° F | Max. Cycles per min. | Max. Rotation Speed, rpm | Adjustment Mechanism | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |||
105° Clockwise and Counterclockwise Rotation | |||||||||||||||||||
| 1,416.43 | 2.6" | 1.77" | 2.56" | 0.31" | 0.71" | 0.24" | Steel | 23 to 122 | Not Rated | 50 | Knob | Zinc Alloy | 0.2" | 2.2" | No | 6597K165 | 000000 | ||
105° Clockwise Rotation | |||||||||||||||||||
| 1,416.43 | 2.6" | 1.77" | 2.56" | 0.31" | 0.71" | 0.24" | Steel | 23 to 122 | Not Rated | 50 | Knob | Zinc Alloy | 0.2" | 2.2" | No | 6597K166 | 00000 | ||
105° Counterclockwise Rotation | |||||||||||||||||||
| 1,416.43 | 2.6" | 1.77" | 2.56" | 0.31" | 0.71" | 0.24" | Steel | 23 to 122 | Not Rated | 50 | Knob | Zinc Alloy | 0.2" | 2.2" | No | 6597K167 | 00000 | ||
Press-Fit for Square Shaft
 |
130° Rotation—Speed limiters with a 105°, 110°, or 130° rotation angle are commonly used for small movements, such as closing lids.
360° Rotation—Speed limiters with a 360° rotation angle are often used to move small hoods, flaps, and fans. A cycle is one shaft rotation.
Clockwise Rotation—Clockwise and counterclockwise speed limiters dampen motion in the listed direction, moving freely in the opposite direction. Use them in processes that require returning a part to its original position.
Clockwise and Counterclockwise Rotation—Clockwise-and-counterclockwise speed limiters dampen motion in both directions. Common uses for them include controlling the motion of a switch-activated door and opening and closing a DVD player.
Overall | For Shaft | Mounting Holes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in·ozf | Torque Tolerance Range, in·ozf | Lg. | Wd. | Ht. | Lg. | Wd. | Insert Material | Temp. Range, ° F | Max. Cycles per min. | Max. Rotation Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |||
360° Clockwise and Counterclockwise Rotation | ||||||||||||||||||
| 283.26 | -42.56 to 42.57 | 2.56" | 1.85" | 0.39" | 0.31" | 0.31" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.18" | 2.2" | No | 6597K21 | 000000 | ||
| 665.75 | -70.89 to 70.89 | 3.11" | 2.24" | 0.44" | 0.39" | 0.39" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.22" | 2.68" | No | 6597K22 | 00000 | ||
| 949.01 | -99.22 to 99.22 | 3.5" | 2.48" | 0.44" | 0.49" | 0.49" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.26" | 2.99" | No | 6597K23 | 00000 | ||
| 1,232.27 | -113.3 to 113.3 | 3.74" | 2.76" | 0.44" | 0.49" | 0.49" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.26" | 3.23" | No | 6597K24 | 00000 | ||
130° Clockwise Rotation | ||||||||||||||||||
| 1,416.43 | -354.15 to 354.16 | 3.27" | 2.36" | 0.81" | 0.47" | 0.47" | Nylon | 23 to 122 | Not Rated | 50 | Zinc Alloy | 0.22" | 2.76" | No | 6597K158 | 00000 | ||
Press-Fit for Round Shaft
 |
360° Rotation—Speed limiters with a 360° rotation angle are often used to move small hoods, flaps, and fans. A cycle is one shaft rotation.
Clockwise Rotation and Counterclockwise Rotation—Clockwise and counterclockwise speed limiters dampen motion in the listed direction, moving freely in the opposite direction. Use them in processes that require returning a part to its original position.
Overall | Mounting Holes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Torque, in·ozf | Torque Tolerance Range, in·ozf | Lg. | Wd. | Ht. | For Shaft Dia. | Insert Material | Temp. Range, ° F | Max. Cycles per min. | Max. Rotation Speed, rpm | Material | Dia. | Ctr.-to-Ctr. | Fasteners Included | Each | |||
360° Clockwise Rotation | |||||||||||||||||
| 779.05 | -42.56 to 42.57 | 3.11" | 2.24" | 0.44" | 0.39" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.22" | 2.68" | No | 6597K151 | 000000 | ||
| 1,203.94 | -113.3 to 113.3 | 3.5" | 2.48" | 0.44" | 0.39" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.26" | 2.99" | No | 6597K152 | 00000 | ||
| 1,558.1 | -141.62 to 141.63 | 3.74" | 2.76" | 0.44" | 0.39" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.26" | 3.23" | No | 6597K153 | 00000 | ||
360° Counterclockwise Rotation | |||||||||||||||||
| 779.05 | -42.56 to 42.57 | 3.11" | 2.24" | 0.44" | 0.39" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.22" | 2.68" | No | 6597K155 | 00000 | ||
| 1,203.94 | -113.3 to 113.3 | 3.5" | 2.48" | 0.44" | 0.39" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.26" | 2.99" | No | 6597K156 | 00000 | ||
| 1,558.1 | -141.62 to 141.63 | 3.74" | 2.76" | 0.44" | 0.39" | Nylon | 14 to 122 | Not Rated | 50 | Steel | 0.26" | 3.23" | No | 6597K157 | 00000 | ||
Corrosion-Resistant Linear Speed Limiters
 |
 |
Compression Speed Limiter—Compression speed limiters prevent closing doors from slamming.
Extension Speed Limiter—Extension speed limiters prevent doors from flying open.
Compression-and-Extension Speed Limiter—Compression and extension speed limiters prevent doors from slamming and flying open.
Chrome-Plated 316 Stainless Steel Rod—Smoothly open and close doors, lids, and access panels in damp and corrosive environments with these 316 stainless steel speed limiters.
Free Travel of Stroke—Free travel of stroke is the percentage of the stroke that speed limiters move with no resistance, before speed control engages.
Maximum Cycles per Minute—A cycle is one rod stroke from extended to compressed and back to extended.
Body | Rod | Ball Stud | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbf | Free Travel of Stroke | Max. Cycles per min., cpm | Material | Dia. | Material | Dia. | Thread Size | Seal Material | Dia. | Lg. | Thread Lg. | Thread Size | Temp. Range, ° F | Each | |||
Compression Speed Limiter | ||||||||||||||||||||
Fixed | ||||||||||||||||||||
| 2" | 7.9" | 5.9" | 150 | 35% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 3975N11 | 000000 | ||
| 3" | 10" | 7" | 150 | 31% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 3975N12 | 00000 | ||
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 3975N13 | 00000 | ||
| 4" | 12.5" | 8.5" | 150 | 28% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 3975N14 | 00000 | ||
| 5" | 14.5" | 9.5" | 250 | 31% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 3975N15 | 00000 | ||
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 3975N18 | 00000 | ||
Extension Speed Limiter | ||||||||||||||||||||
Fixed | ||||||||||||||||||||
| 3" | 10" | 7" | 150 | 31% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 4039N12 | 00000 | ||
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 4039N13 | 00000 | ||
| 4" | 12.5" | 8.5" | 150 | 28% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 4039N14 | 00000 | ||
| 5" | 15" | 10" | 150 | 27% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 4039N16 | 00000 | ||
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 4039N18 | 000000 | ||
Compression-and-Extension Speed Limiter | ||||||||||||||||||||
Fixed | ||||||||||||||||||||
| 2" | 7.9" | 5.9" | 150 | 35% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 8025N11 | 00000 | ||
| 3" | 10" | 7" | 150 | 31% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 8025N12 | 00000 | ||
| 4" | 12.2" | 8.2" | 250 | 32% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 8025N13 | 00000 | ||
| 5" | 14.5" | 9.5" | 250 | 31% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 8025N15 | 00000 | ||
| 5" | 15" | 10" | 150 | 27% | 6 | 316 Stainless Steel | 0.59" | Chrome-Plated 316 Stainless Steel | 0.25" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 8025N16 | 00000 | ||
| 6" | 17" | 11" | 250 | 30% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 8025N17 | 00000 | ||
| 7" | 19.7" | 12.7" | 250 | 29% | 6 | 316 Stainless Steel | 0.71" | Chrome-Plated 316 Stainless Steel | 0.32" | M6 × 1 mm | TPE | 0.39" | 1.2" | 0.54" | 5/16"-18 | -20 to 170 | 8025N18 | 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.
0% Free Travel of Stroke—Free travel of stroke is 0%, so the entire stroke is speed controlled.
Body | Rod | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Stroke Lg. | Extended Lg. | Compressed Lg. | Max. Force, lbf | Free Travel of Stroke | Material | Dia. | Material | Dia. | Seal Material | Adjustment Hole Dia. | Temp. Range, ° F | Each | |||
Compression Speed Limiter | |||||||||||||||
Variable Adjustment | |||||||||||||||
| 0.6" | 6.26" | 5.67" | 780 | 0% | Anodized Aluminum | 0.94" | Chrome-Plated Steel | 0.31" | EPDM | — | 32 to 140 | 1267N11 | 0000000 | ||
| 1.2" | 8.15" | 6.97" | 780 | 0% | Anodized Aluminum | 0.94" | Chrome-Plated Steel | 0.31" | EPDM | — | 32 to 140 | 1267N21 | 000000 | ||
| 2" | 10.87" | 8.87" | 1,200 | 0% | Zinc-Plated Steel | 0.94" | Stainless Steel | 0.31" | Neoprene | 0.31" | 40 to 135 | 1267N3 | 000000 | ||
| 3" | 14.71" | 11.76" | 780 | 0% | Anodized Aluminum | 0.94" | Chrome-Plated Steel | 0.31" | EPDM | — | 32 to 140 | 1267N41 | 000000 | ||
 |  |  |
1 1/4" Width | .39" Mounting Hole Dia., 1.44" Ctr.-to-Ctr. Mounting Hole Ht. |
Wd. | Ht. | Dp. | Material | Mounting Hole Dia. | Mounting Hole Ctr.-to-Ctr. Ht. | Each | ||
|---|---|---|---|---|---|---|---|---|
| 1 1/4" | 2 1/4" | 1 1/4" | Aluminum | 0.39" | 1.44" | 4246T51 | 000000 |
