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 TWQ40X25SR Stopper Cylinder Technical Details
- Model: TWQ40X25SR
- Type: Compact profile double-acting stopper cylinder
- Bore size: 40mm
- Stroke: 25mm (±0.5mm tolerance)
- Operation: Pneumatic (air pressure actuated)
- Working pressure: 0.1-0.8 MPa
- Port size: Rc1/8 (NPT1/8 optional)
- Cushioning: Adjustable pneumatic cushion at both ends
- Temperature range: -10℃ to 70℃
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Piston rod material: Chrome-plated carbon steel
- Weight: 1.25kg (excluding accessories)
- Dimensions: 198mm(L) × 80mm(W) × 82mm(H)
- Mounting: Standard ISO 15552 foot mounting with 32mm spacing
- Repeat accuracy: ±0.2mm
- Protection rating: IP54 (standard), IP67 optional
High-precision stopper cylinder with integrated shock absorption, designed for precision positioning and material flow control in automated systems. Features dual anti-rotation guide rods for enhanced lateral stability during blocking operations. Optional magnetic switch (D-M9NW) for position feedback.
- Assembly line workpiece positioning in automotive manufacturing
- Carton flow control in packaging machinery
- PCB board clamping/fixturing in electronics assembly
- Pallet stop systems in warehouse automation
- Precision alignment in solar panel production lines
| Property | Property Value |
|---|---|
| sku | TWQ40X25SR |
| Port Size | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Self-locking Function | Non Self-locking |
| Stroke | <25 mm> |
| Blocking Method | 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.





