When you're comparing cylinders in hydraulics pneumatics, the numbers in the product name tell a story. The SC32x100 and the SC 100 x 450 are both double-acting air cylinders, but they're aimed at very different jobs. The SC32x100 is a small, lightweight unit for precise short motions. The SC 100 x 450 is a bigger unit with a longer stroke and a larger piston face. Understanding that difference is the key to choosing the right one for your automation setup. If you choose blindly, you could end up with a cylinder that either sticks out too far or can't reach far enough. The goal is to match the cylinder's travel and strength to the task.
Quick Verdict
For tight spaces and short moves, the SC32x100 is the sensible first pick. For bigger jobs that need more reach, the SC 100 x 450 is the cylinder to choose.
Comparison at a Glance
| Product | Listed Price | Price Bar | Bore | Stroke | Action |
|---|---|---|---|---|---|
| Pneumatic Air Cylinder 1-1/4\" Bore 4\" Stroke SC32x100 | USD 28.72 | 1-1/4\" | 4\" | Double-acting | |
| Air Cylinder Pneumatic Standard Cylinder SC 100 x 450, Bore 4\" Stroke 18 | USD 64.17 | 4\" | 18\" | Double-acting |
Where Each Product Wins
- The SC32x100 wins when space is limited and the motion you need is short. Its self-lubricating bearing keeps maintenance simple.
- The SC 100 x 450 wins when your pneumatic setup needs to cover more distance and push against a larger load.
Product Notes
Pneumatic Air Cylinder 1-1/4\" Bore 4\" Stroke SC32x100

The Pneumatic Air Cylinder SC32x100 is a compact double-acting cylinder that fits neatly into smaller automation builds. Its high-strength aluminum body keeps it lightweight, and the self-lubricating bearing means you can run it without adding extra oil. That low-maintenance design is a real advantage when the cylinder is tucked into a tight spot. The trade-off is the smaller size: the 1-1/4-inch bore and limited travel restrict how much force and reach you get. For a compact automation task where space is the main constraint, this cylinder is the right starting point. It suits simple pushing, clamping, and positioning jobs that don't need a long reach.
Air Cylinder Pneumatic Standard Cylinder SC 100 x 450, Bore 4\" Stroke 18

The TECHTONGDA Air Cylinder SC 100 x 450 is built for larger motion. The precision aluminum structure gives it corrosion resistance and stable sealing, and the stated piston speed range of 50 to 800 mm/s supports faster cycles. The larger envelope means you need more mounting space, and the M20X1 port size may require matching fittings, so plan around those details. If your project needs to move a load over a longer distance or generate more force, this cylinder is the one to consider. It's a stronger match for bigger positioning tasks where the extra reach and larger bore give you the capability you need.
Final Choice by Use Case
Choose the SC32x100 when your workspace is tight and the travel it offers covers the job. Pick the SC 100 x 450 when your project calls for the larger cylinder's reach. For most compact automation, the SC32x100 at USD 28.72 is the easy call; for bigger pneumatic tasks, the SC 100 x 450 at USD 64.17 is the one that gets it done.