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About Air Cylinders
Select a cylinder, prolong its life by reducing wear, and trigger automated processes with sensors.
Round Body Air Cylinders for Narrow Spaces
Also known as pancake cylinders, these deliver as much force as other cylinders, but with a shorter stroke to function in small spaces. They have holes for mounting.
Base Mount

Lg. | Air Inlet | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Stroke | Retracted | Extended | Force @ 100 psi, lbs. | Body Material | Pipe Size | Thread Size | Thread Type | Gender | Each | |
3/4" Bore Size (1 3/4" OD) | ||||||||||
| 1/8" | 1.02" | 1.15" | 44 | Aluminum | __ | 10-32 | UNF | Female | 6212K311 | 0000000 |
1 1/8" Bore Size (2 1/8" OD) | ||||||||||
| 1/8" | 1.03" | 1.16" | 100 | Aluminum | __ | 10-32 | UNF | Female | 6212K321 | 000000 |
1 1/2" Bore Size (2 1/2" OD) | ||||||||||
| 1/8" | 1.05" | 1.17" | 177 | Aluminum | __ | 10-32 | UNF | Female | 6212K331 | 000000 |
2" Bore Size (3 1/8" OD) | ||||||||||
| 1/8" | 1.19" | 1.31" | 314 | Aluminum | 1/8 | __ | NPT | Female | 6212K341 | 000000 |
2 1/2" Bore Size (3 3/4" OD) | ||||||||||
| 1/8" | 1.2" | 1.33" | 491 | Aluminum | 1/8 | __ | NPT | Female | 6212K351 | 000000 |
3" Bore Size (4 1/4" OD) | ||||||||||
| 1/8" | 1.52" | 1.64" | 707 | Aluminum | 1/8 | __ | NPT | Female | 6212K361 | 000000 |
4" Bore Size (5 1/4" OD) | ||||||||||
| 1/8" | 1.66" | 1.78" | 1,257 | Aluminum | 1/8 | __ | NPT | Female | 6212K371 | 000000 |
Replacement Seal Kits

| For Bore Size | Includes | Each | |
| 3/4" | Head Seals, Piston Seal, Ram Seals | 6212K72 | 00000 |
| 1 1/8" | Head Seals, Piston Seal, Ram Seals | 6212K74 | 00000 |
| 1 1/2" | Head Seals, Piston Seal, Ram Seals | 6212K76 | 00000 |
| 2" | Head Seals, Piston Seal, Ram Seals | 6212K82 | 00000 |
| 2 1/2" | Head Seals, Piston Seal, Ram Seals | 6212K84 | 00000 |
| 3" | Head Seals, Piston Seal, Ram Seals | 6212K86 | 00000 |
| 4" | Head Seals, Piston Seal, Ram Seals | 6212K88 | 00000 |
Impact-Resistant Compact Tie Rod Air Cylinders
Small and durable, these cylinders have a high-strength plastic composite barrel that doesn’t dent. Cylinders have holes for mounting; the back end must be mounted against a solid surface.
Round Face

Lg. | Air Inlet | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Stroke | Retracted | Extended | Force @ 100 psi, lbs. | Body Material | Pipe Size | Thread Size | Thread Type | Gender | Each | |
1/2" Bore Size (1.12" OD) | ||||||||||
| 1/8" | 0.82" | 0.94" | 20 | Composite | __ | 10-32 | UNF | Female | 1691T69 | 000000 |
3/4" Bore Size (1.49" OD) | ||||||||||
| 1/8" | 0.82" | 0.94" | 44 | Composite | __ | 10-32 | UNF | Female | 1691T105 | 00000 |
1 1/16" Bore Size (1.99" OD) | ||||||||||
| 1/8" | 1.14" | 1.26" | 88 | Composite | 1/8 | __ | NPT | Female | 1691T141 | 000000 |
1 1/2" Bore Size (2.62" OD) | ||||||||||
| 1/8" | 1.14" | 1.26" | 176 | Composite | 1/8 | __ | NPT | Female | 1691T176 | 000000 |
2" Bore Size (3.12" OD) | ||||||||||
| 1/8" | 1.2" | 1.32" | 314 | Composite | 1/8 | __ | NPT | Female | 1691T212 | 000000 |
2 1/2" Bore Size (3 3/4" OD) | ||||||||||
| 1/8" | 1.45" | 1.57" | 491 | Composite | 1/4 | __ | NPT | Female | 1691T247 | 000000 |
3" Bore Size (4 1/4" OD) | ||||||||||
| 1/8" | 1.51" | 1.63" | 707 | Composite | 1/4 | __ | NPT | Female | 1691T283 | 000000 |
Replacement Seal Kits


























