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 TWQ50X20SK Stopper Cylinder Specifications
- Model: TWQ50X20SK
- Type: Compact profile double-acting stopper cylinder
- Bore size: Ø50mm
- Stroke: 20mm (±1mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Port size: M5x0.8 (standard) / NPT1/8 (optional)
- Piston speed: 50–800 mm/s
- Cushioning: Adjustable rubber bumper + shock absorber
- Ambient temperature: -10℃ to 70℃
- Mounting type: Front flange with 4xM6 threaded holes
- Rod material: Chrome-plated steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal type: NBR + PU hybrid seals
- Weight: 1.8kg (with accessories)
- Dimensions: 145mm(L) × 60mm(W) × 60mm(H)
- Repeat accuracy: ±0.2mm
- Protection rating: IP54 (standard) / IP67 (optional)
High-precision mechanical stopper cylinder with integrated shock absorption, designed for precision positioning and workpiece retention in high-cycle applications. Features dual-layer wear-resistant seals and anti-rotation rod design. Compatible with magnetic sensors (sensor groove included). Requires ISO 8573-1 class 3 lubricated air (VG32 oil mist recommended).
- Conveyor line product positioning gates
- CNC machine tool workpiece clamping
- Robotic arm end effector locking mechanisms
- Automated assembly station part alignment
- Packaging machine product counting stops
| Property | Property Value |
|---|---|
| sku | TWQ50X20SK |
| Port Size | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| Self-locking Function | Non Self-locking |
| Stroke | <20mm> |
| Blocking Method | Lever Roller Type |
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.





