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 TWQ25X20-B Technical Specifications
- Model: TWQ25X20-B
- Type: Compact single-acting stopper cylinder
- Bore size: Ø25mm
- Stroke: 20mm
- Operating pressure: 0.1–0.8 MPa
- Cushioning: Adjustable pneumatic cushion
- Mounting style: Side/end flange (ISO 15552 compatible)
- Port size: M5x0.8 (standard), G1/8 optional
- Operating temperature: -10℃ to 80℃
- Body material: Anodized aluminum alloy
- Rod material: Stainless steel (SUS304)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Weight: 1.2kg ±5% (excluding accessories)
- Dimensions: 160mm(L) × 50mm(W) × 50mm(H) (full extension)
- Rod thread: M6x1.0 external thread
- Repeat accuracy: ±0.2mm
- Response time: ≤0.3s @ 0.5MPa
High-precision stopping cylinder with integrated shock absorption, featuring dual-position magnetic sensing slots for precise position feedback. The chrome-plated piston rod and multi-lip seals ensure minimal friction loss (≤15% efficiency drop after 2,000km travel). Requires 5-40μm filtered lubricated air (ISO 8573-1 class 4).
- Workpiece positioning in CNC pallet systems
- Precision stopping in semiconductor wafer handling
- Carton alignment in high-speed packaging lines (up to 120 cycles/min)
- Tooling fixture locking in automotive welding stations
- Elevator door safety interlocks
| Property | Property Value |
|---|---|
| sku | TWQ25X20-B |
| Port Size | M5×0.8 |
| Magnet | Non-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.







