Product Description
The SMC CDS1FN125-250 is a large-bore, double-acting, single-rod pneumatic cylinder from the CS1/CDS1 Series, featuring a 125mm bore and 250mm stroke. It uses a tie-rod construction with a rod side flange (F) mounting style and is the non-lube (N) variant, making it maintenance-free in normal operating conditions. The "D" prefix denotes a built-in piston magnet enabling auto switch (position sensor) mounting capability. Suitable media is compressed air, with a maximum operating pressure of 141 PSI (0.97 MPa).
Technical Specifications
| Specification | Value |
|---|---|
| Brand | SMC |
| Model / Part Number | CDS1FN125-250 |
| Series | CS1 / CDS1 |
| Product Type | Tie-Rod Air Cylinder |
| Cylinder Action | Double Acting, Single Rod |
| Bore Diameter | 125 mm |
| Stroke Length | 250 mm |
| Mounting Style | Rod Side Flange (F) |
| Lubrication Type | Non-Lube (N) |
| Auto Switch Ready | Yes – Built-in Piston Magnet (CDS1 prefix) |
| Fluid | Air |
| Maximum Operating Pressure | 0.97 MPa (141 PSI) |
| Minimum Operating Pressure | 0.05 MPa (7 PSI) |
| Proof Pressure | 1.57 MPa |
| Piston Speed | 50 to 500 mm/s |
| Cushion | Air Cushion (Both Ends), Interchangeable |
| Port Size | Rc 1/2 (standard for 125mm bore) |
| Piston Rod Diameter | 32 mm |
| Stroke Length Tolerance | +1.0 mm / 0 (for strokes ≤250 mm) |
| Ambient / Fluid Temperature | -10°C to 60°C (with auto switch); -10°C to 70°C (without) |
| Tube / Body Material | Aluminum Alloy Tube (Hard Anodized) |
| Piston Seal Material | NBR |
| Available Mounting Styles | Basic, Foot, Rod Side Flange, Head Side Flange, Single Clevis, Double Clevis, Center Trunnion (7 total) |
| Construction Type | Tie-Rod |
We warranty all items for 30 days from date of purchase.
Other Details
Used Item, Good Condition, Surplus Inventory, 30 Day WarrantyProduct Videos
Custom Field
Country/Region of Manufacture USA
Max. PSI 150psi
PSI 150psi
Shelf B-2
MPN CDS1FN125-250
GTIN 721814242935
Bore Diameter 125 mm
Model CDS1FN125-250
Type Pneumatic Cylinder
