0Chair gas strut Features:
GAS CYLINDER is height adjustment device of office chair. It improves the inconvenience of the previous chair with metal spring based on highly developed technology. It is widely used in the office, school, and home chair because of safety, comfort, smooth rotation, no mechanical noise during the height adjustment, and height adjustment with no limit through internal movement of gas.
office chair cylinder Application:
Office chair
School chair
Home chair
Test Methods:
International test standards required
Any customer's test requirement

office chair cylinder Available sizes
Stroke 60~100
STROKE | L | C | V | D | X | Y | A | |
60 | A | 262 | 52 | 165 | 50 | 60 | 0 | 185 |
B | 262 | 52 | 167 | 50 | 58 | 17 | 185 | |
C | 262 | 52 | 167 | 50 | 58 | 43 | 185 | |
D | 262 | 52 | 150 | 50 | 65 | 0 | 185 | |
E | 262 | 52 | 150 | 50 | 58 | 17 | 185 | |
80 | A | 287 | 72 | 170 | 50 | 58 | 14 | 190 |
B | 306 | 72 | 185 | 50 | 60 | 0 | 209 | |
C | 306 | 72 | 187 | 50 | 58 | 17 | 209 | |
D | 306 | 72 | 187 | 50 | 58 | 43 | 209 | |
E | 306 | 72 | 168 | 50 | 58 | 0 | 209 | |
F | 306 | 72 | 170 | 50 | 58 | 17 | 209 | |
100 | A | 349 | 92 | 200 | 50 | 58 | 37 | 232 |
B | 349 | 92 | 200 | 50 | 58 | 14 | 232 | |
C | 349 | 92 | 197 | 50 | 58 | 0 | 232 | |
D | 349 | 92 | 185 | 50 | 60 | 0 | 232 | |
E | 349 | 92 | 197 | 50 | 58 | 17 | 232 | |
F | 349 | 92 | 197 | 50 | 65 | 0 | 232 | |
G | 349 | 92 | 200 | 50 | 58 | 27 | 232 | |
Stroke 100~116
STROKE | L | C | V | D | X | Y | A | |
100 | H | 349 | 92 | 195 | 50 | 60 | 0 | 232 |
I | 349 | 92 | 197 | 50 | 58 | 17 | 232 | |
J | 349 | 92 | 197 | 50 | 58 | 43 | 232 | |
K | 349 | 92 | 185 | 50 | 70 | 0 | 232 | |
L | 369 | 92 | 197 | 50 | 58 | 17 | 252 | |
M | 359 | 92 | 195 | 50 | 58 | 30 | 242 | |
N | 359 | 92 | 185 | 50 | 58 | 37 | 242 | |
O | 326 | 92 | 185 | 50 | 58 | 27 | 209 | |
108 | A | 357 | 100 | 217 | 50 | 101 | 0 | 232 |
B | 355 | 100 | 185 | 50 | 70 | 0 | 230 | |
C | 350 | 100 | 197 | 50 | 65 | 0 | 225 | |
D | 355 | 100 | 195 | 50 | 70 | 0 | 230 | |
E | 352 | 100 | 200 | 50 | 58 | 27 | 227 | |
116 | A | 356 | 108 | 203 | 50 | 58 | 41.5 | 223 |
B | 385 | 108 | 215 | 50 | 70 | 0 | 252 | |
C | 385 | 108 | 215 | 50 | 58 | 43 | 252 | |
D | 365 | 108 | 200 | 50 | 58 | 14 | 232 | |
E | 380 | 108 | 217 | 50 | 58 | 17 | 247 | |
Stroke 120~140
STROKE | L | C | V | D | X | Y | A | |
120 | A | 384 | 112 | 215 | 50 | 70 | 0 | 247 |
B | 384 | 112 | 215 | 50 | 58 | 17 | 247 | |
C | 396 | 112 | 232 | 50 | 58 | 30 | 259 | |
D | 384 | 112 | 215 | 50 | 58 | 48 | 247 | |
E | 379 | 112 | 197 | 50 | 65 | 0 | 242 | |
F | 384 | 112 | 228 | 50 | 58 | 43 | 247 | |
125 | A | 394 | 117 | 217 | 50 | 58 | 17 | 252 |
B | 394 | 117 | 215 | 50 | 65 | 0 | 252 | |
C | 394 | 117 | 217 | 50 | 58 | 43 | 252 | |
D | 394 | 117 | 215 | 50 | 60 | 0 | 252 | |
E | 394 | 117 | 215 | 50 | 58 | 17 | 252 | |
F | 394 | 117 | 215 | 50 | 58 | 43 | 252 | |
G | 394 | 117 | 215 | 50 | 65 | 0 | 252 | |
128 | A | 397 | 120 | 230 | 50 | 70 | 0 | 252 |
133 | A | 433 | 125 | 245 | 50 | 58 | 14 | 283 |
B | 433 | 125 | 245 | 50 | 58 | 43 | 283 | |
140 | A | 427 | 132 | 230 | 50 | 58 | 17 | 270 |
B | 416 | 132 | 235 | 50 | 58 | 22 | 259 | |
Stroke 143~270
STROKE | L | C | V | D | X | Y | A | |
143 | A | 410 | 135 | 225 | 40 | 48 | 0 | 252 |
B | 443 | 135 | 235 | 40 | 65 | 0 | 283 | |
C | 412 | 135 | 230 | 50 | 65 | 0 | 252 | |
D | 412 | 135 | 230 | 50 | 65 | 0 | 252 | |
E | 412 | 135 | 236 | 50 | 52 | 0 | 252 | |
F | 412 | 135 | 230 | 50 | 49 | 0 | 252 | |
160 | A | 471 | 152 | 250 | 50 | 60 | 0 | 294 |
B | 483 | 152 | 250 | 50 | 60 | 0 | 306 | |
C | 469 | 152 | 255 | 40 | 50 | 0 | 292 | |
170 | A | 491 | 162 | 280 | 50 | 44 | 0 | 304 |
200 | A | 574 | 192 | 313 | 50 | 58 | 17 | 357 |
B | 535 | 192 | 290 | 50 | 58 | 22 | 318 | |
210 | A | 565 | 202 | 318 | 50 | 58 | 17 | 338 |
B | 565 | 202 | 318 | 50 | 65 | 0 | 338 | |
C | 550 | 202 | 300 | 50 | 58 | 27 | 323 | |
D | 612 | 202 | 340 | 40 | 48 | 0 | 387 | |
270 | A | 693 | 262 | 375 | 50 | 58 | 0 | 406 |
B | 693 | 262 | 375 | 50 | 58 | 43 | 406 | |
A chair gas strut, an essential component of modern ergonomic seating, plays a crucial role in providing adjustable height and comfort to users. The production process of a chair gas strut involves precision engineering and advanced materials.
Manufacturing begins with selecting high-quality materials, typically steel or aluminum for the cylinder body, and a piston rod. These parts are precision machined and coated for durability and corrosion resistance. The cylinder is then pressurized with nitrogen gas to create the pneumatic spring mechanism.
One of the key features of a chair gas strut is its ability to smoothly adjust the chair's height. This is achieved through the balance of pressure and the movement of the piston within the cylinder. The gas strut offers a seamless height adjustment experience, promoting ergonomic posture and comfort for users.
Installation and replacement of a chair gas strut are relatively straightforward processes. To install, one simply needs to attach the cylinder to the chair base and the piston to the seat, ensuring secure connections. Replacement becomes necessary if the strut loses its gas pressure or the piston movement becomes uneven. Users can remove the old strut and replace it with a new one using basic tools.
The primary function of a chair gas strut is to enable height adjustability. This benefits users by allowing them to personalize the chair's height according to their workspace and comfort needs. Additionally, it aids in promoting better posture, reducing strain on the back and legs during long hours of sitting. Overall, the chair gas strut is an essential component that enhances the functionality and ergonomics of modern office and task chairs, contributing to a healthier and more comfortable work environment.