Airtac TWQ Stopper Cylinder TWQ40X25SK
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 TWQ40X25SK Stopper Cylinder Specifications
- Model: TWQ40X25SK
- Type: Compact double-acting stopping cylinder
- Bore size: 40mm
- Stroke: 25mm
- Operating pressure: 0.1–0.8 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Axial foot mounting (ISO 15552 standard)
- Port size: G1/8 (NPT1/8 optional)
- Temperature range: -20℃ to 80℃
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: 1.8kg ±2%
- Dimensions: 175mm(L) × 40mm(W) × 40mm(H) (extended length: 200mm)
- Shock absorber stroke: 5mm (adjustable)
- Repeat positioning accuracy: ±0.5mm
- Protection rating: IP54 (standard), IP67 optional
A high-precision mechanical stop cylinder with integrated shock absorption, designed for precision positioning and workpiece blocking in automated systems. Features dual adjustable cushions for smooth end-of-stroke deceleration and hardened guide bushings for lateral force resistance. Optional magnetic piston version (TWQ40X25SK-M) available for position feedback.
- Precision part positioning in assembly lines
- Pallet stop mechanisms in conveyor systems
- Workpiece clamping in CNC machining centers
- Sorting gate actuation in packaging machinery
- Tooling fixture positioning in automotive welding lines
Installation guidelines:
Maintain 0.5mm minimum clearance between stopper rod and workpiece.
Lubricate with ISO VG32 hydraulic oil if used in dry air systems.
Recommended maintenance interval: 5 million cycles or 12 months.
- Integrated shock absorber reduces impact noise by 15dB compared to standard cylinders
- Hexagonal rod design prevents rotation during operation
- Front flange accepts M5 proximity sensors for position detection
- Optional wear-resistant coating (DLC) available for high-cycle applications
| Property | Property Value |
|---|---|
| sku | TWQ40X25SK |
| Port Size | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Self-locking Function | Non Self-locking |
| Stroke | <25 mm> |
| 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.