Home > Dampers > Extension, Compression and Dual Direction Dampers

Dampers

There are three types of dampers: extension, compression and dual direction.

Extension dampers provide controlled speed while the rod is being extended out of the tube.
Compression dampers provide a controlled speed while the rod is being compressed back into the tube.
Dual rate dampers have equal amount of damping in both directions.

Dampers are designed in particular to match each individual application.

700 Series Compression Dampers

SKU	Rod Diameter (A)	Body Diameter (B)	Stroke (C)	Compressed Length (D)	Extended Length (E)	Male Thread	Damper Type
SKU 700-2-CDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 2.0 (50.8)	Compressed Length (D) 5.25 (133.4)	Extended Length (E) 7.5 (190.5)	Male Thread M6 x 1	Damper Type Compression
SKU 700-3-CDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 3.0 (76.2)	Compressed Length (D) 7.0 (167.6)	Extended Length (E) 10.0 (254.0)	Male Thread M6 x 1	Damper Type Compression
SKU 700-4-CDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 4.0 (101.6)	Compressed Length (D) 8.0 (203.2)	Extended Length (E) 12.0 (304.8)	Male Thread M6 x 1	Damper Type Compression
SKU 700-6-CDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 6.0 (152.4)	Compressed Length (D) 8.0 (203.2)	Extended Length (E) 15.0 (381.0)	Male Thread M6 x 1	Damper Type Compression
SKU 700-6L-CDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 7.0 (177.8)	Compressed Length (D) 10.0 (254.0)	Extended Length (E) 17.0 (431.8)	Male Thread M6 x 1	Damper Type Compression
SKU 700-7-CDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 7.5 (190.5)	Compressed Length (D) 11.0 (279.4)	Extended Length (E) 18.5 (469.9)	Male Thread M6 x 1	Damper Type Compression
SKU 700-8-CDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 8.0 (203.2)	Compressed Length (D) 12.0 (304.8)	Extended Length (E) 20.0 (508.0)	Male Thread M6 x 1	Damper Type Compression

700 Series Extension Dampers

SKU	Rod Diameter (A)	Body Diameter (B)	Stroke (C)	Compressed Length (D)	Extended Length (E)	Male Thread	Damper Type
SKU 700-2-EDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 2.0 (50.8)	Compressed Length (D) 5.25 (133.4)	Extended Length (E) 7.5 (190.5)	Male Thread M6 x 1	Damper Type Extension
SKU 700-3-EDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 3.0 (76.2)	Compressed Length (D) 7.0 (167.6)	Extended Length (E) 10.0 (254.0)	Male Thread M6 x 1	Damper Type Extension
SKU 700-4-EDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 4.0 (101.6)	Compressed Length (D) 8.0 (203.2)	Extended Length (E) 12.0 (304.8)	Male Thread M6 x 1	Damper Type Extension
SKU 700-6-EDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 6.0 (152.4)	Compressed Length (D) 9.0 (228.6)	Extended Length (E) 15.0 (381.0)	Male Thread M6 x 1	Damper Type Extension
SKU 700-6L-EDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 7.0 (177.8)	Compressed Length (D) 10.0 (254.0)	Extended Length (E) 17.0 (431.8)	Male Thread M6 x 1	Damper Type Extension
SKU 700-7-EDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 7.5 (190.5)	Compressed Length (D) 11.0 (279.4)	Extended Length (E) 18.5 (469.9)	Male Thread M6 x 1	Damper Type Extension
SKU 700-8-EDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 8.0 (203.2)	Compressed Length (D) 12.0 (304.8)	Extended Length (E) 20.0 (508.0)	Male Thread M6 x 1	Damper Type Extension

700 Series Dual Direction Dampers

SKU	Rod Diameter (A)	Body Diameter (B)	Stroke (C)	Compressed Length (D)	Extended Length (E)	Male Thread	Damper Type
SKU 700-2-DDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 2.10 (53.3)	Compressed Length (D) 5.73 (145.5)	Extended Length (E) 7.5 (190.5)	Male Thread M6 x 1	Damper Type Dual Direction
SKU 700-3-DDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 2.79 (71.1)	Compressed Length (D) 7.0 (167.6)	Extended Length (E) 10.0 (254.0)	Male Thread M6 x 1	Damper Type Dual Direction
SKU eaae339c4d89	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 5.60 (142.2)	Compressed Length (D) 9.45 (240.0)	Extended Length (E) 15.0 (381.0)	Male Thread M6 x 1	Damper Type Dual Direction
SKU 700-6L-DDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 6.53 (165.9)	Compressed Length (D) 10.45 (265.4)	Extended Length (E) 17.0 (431.8)	Male Thread M6 x 1	Damper Type Dual Direction
SKU 700-7-DDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 7.0 (177.8)	Compressed Length (D) 11.70 (297.2)	Extended Length (E) 18.5 (469.9)	Male Thread M6 x 1	Damper Type Dual Direction
SKU 700-8-DDP	Rod Diameter (A) 0.25 (6.4)	Body Diameter (B) 0.75 (19.1)	Stroke (C) 7.5 (190.5)	Compressed Length (D) 12.25 (311.6)	Extended Length (E) 20.0 (508.0)	Male Thread M6 x 1	Damper Type Dual Direction

Notes:

No force/pressure in dampers.
Product length tolerance is ± .08 in. (2.0 mm)
Do not stroke more than 5 times a minute. Fast operation rates lead to excessive heat buildup resulting in internal seal damage.
Dampers are filled with oil. Please dispose of properly.
Do not heat, open, or puncture.
Contact Ameritool for modified standards or for engineered specials that meet your exact needs.
Custom speeds available.
EE denotes no end mounts on spring.

850 Series Fixed-Rate Damper

SKU	Rod Diameter (A)	Body Diameter (B)	Stroke (C)	Compressed Length (D)	Extended Length (E)	End Mount Thread
SKU 850-4	Rod Diameter (A) 0.375 (9.5)	Body Diameter (B) 1.165 (29.6)	Stroke (C) 4.1 (104.14)	Compressed Length (D) 6.5 (165.1)	Extended Length (E) 10.6 (292.2)	End Mount Thread 8mm
SKU 850-6	Rod Diameter (A) 0.375 (9.5)	Body Diameter (B) 1.165 (29.6)	Stroke (C) 6.1 (154.94)	Compressed Length (D) 8.5 (215.9)	Extended Length (E) 14.6 (370.8)	End Mount Thread 8mm
SKU 850-8	Rod Diameter (A) 0.375 (9.5)	Body Diameter (B) 1.165 (29.6)	Stroke (C) 8.1 (205.74)	Compressed Length (D) 10.5 (266.7)	Extended Length (E) 18.6 (472.4)	End Mount Thread 8mm
SKU 850-10	Rod Diameter (A) 0.375 (9.5)	Body Diameter (B) 1.165 (29.6)	Stroke (C) 10.1 (256.54)	Compressed Length (D) 12.5 (317.5)	Extended Length (E) 22.6 (574.0)	End Mount Thread 8mm
SKU 850-12	Rod Diameter (A) 0.375 (9.5)	Body Diameter (B) 1.165 (29.6)	Stroke (C) 12.1 (307.34)	Compressed Length (D) 14.5 (368.3)	Extended Length (E) 26.6 (675.6)	End Mount Thread 8mm
SKU 850-14	Rod Diameter (A) 0.375 (9.5)	Body Diameter (B) 1.165 (29.6)	Stroke (C) 14.1 (358.14)	Compressed Length (D) 16.5 (419.1)	Extended Length (E) 30.6 (777.2)	End Mount Thread 8mm
SKU 850-16	Rod Diameter (A) 0.375 (9.5)	Body Diameter (B) 1.165 (29.6)	Stroke (C) 16.1 (408.94)	Compressed Length (D) 18.5 (469.9)	Extended Length (E) 34.6 (878.8)	End Mount Thread 8mm

Notes:

No force/pressure in dampers.
Product length tolerance is ±. 08 in. (2.0 mm).
Do not stroke more than 5 times a minute. Fast operation rates lead to excessive heat buildup resulting in internal seal damage.
Dampers are filled with oil. Please dispose of it properly.
Do not heat, open, or puncture.
Contact Ameritool for modified standards or for engineered specials that meet your exact needs.
Custom speeds available for 850 series.
EE denotes no end fittings on spring.

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Gas Springs

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Dampers

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Dampers

700 Series Compression Dampers

700 Series Extension Dampers

700 Series Dual Direction Dampers

850 Series Fixed-Rate Damper

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