1. Compliant with JIS standards;
2. Reinforced piston rod design effectively enhances impact resistance;
3. Fixed mounting height with multiple rod end configurations. Hydraulic shock absorber option delivers superior cushioning performance;
4. Lever-type roller mechanism incorporates self-locking device to prevent rebound pushback from blocked objects;
5. Comprehensive series and specifications available for diverse application needs.
Category: Stopper Cylinder | Brand: AIRTAC | Series: TWQ
AirTAC TWQ Series Stopper Cylinder TWQ25X20SB Technical Details
- Model: TWQ25X20SB
- Type: Double-acting stopper cylinder with mechanical lock
- Bore size: Ø25mm
- Stroke: 20mm (±1mm tolerance)
- Operating pressure: 0.1-0.8 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (no built-in rail)
- Port size: M5x0.8 (G1/8 optional)
- Temperature range: -20℃ to 80℃
- Material: Aluminum alloy cylinder tube, hardened stainless steel piston rod
- Seal material: NBR (nitrile rubber)
- Protection rating: IP40 (standard), IP67 available on request
- Weight: 0.85kg (excluding accessories)
- Dimensions: 100mm(L) × 80mm(W) × 80mm(H) (at mid-stroke position)
- Max thrust: 123N @0.5MPa (extending), 105N @0.5MPa (retracting)
Precision stopper cylinder featuring dual-position mechanical locking mechanism with 0.02mm repeat positioning accuracy. The hardened chrome-plated piston rod and dual O-ring seals ensure leak-free operation even in high-cycle applications (up to 3 million cycles). Includes magnetic piston for position sensing compatibility.
- Workpiece positioning in automated assembly lines
- Pallet stop systems in conveyor operations
- Precision fixturing for CNC machine tooling
- Carton positioning in packaging machinery
- PCB board clamping in electronics manufacturing
| Property | Property Value |
|---|---|
| sku | TWQ25X20SB |
| Port Size | M5×0.8 |
| Magnet | S-Magnetic |
| Bore Diameter | <25 mm> |
| Self-locking Function | Non Self-locking |
| Stroke | <20mm> |
| Blocking Method | Flat Cylinder |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.





