Airtac TWQ Stopper Cylinder TWQ40X25SB
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 TWQ40X25SB Stopper Cylinder Technical Specifications
- Model: TWQ40X25SB
- Type: Compact double-acting stopper cylinder
- Bore size: 40mm
- Stroke: 25mm ±0.5mm
- Operating pressure: 0.05–0.9 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Mounting style: Basic type (standard) with optional flange/clevis mounts
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Aluminum alloy (anodized surface)
- Seal material: NBR (nitrile rubber)
- Ambient temperature: -20℃ to +80℃
- Weight: 1.25kg ±2% (without accessories)
- Dimensions:
- Extended length: 189mm
- Retracted length: 164mm
- Body width: 52mm
- Mounting height: 40mm
- Rod end thread: M10×1.25
- Air connection: Rc1/8 (standard) / G1/8 (optional)
- Protection class: IP54 (standard) / IP67 (optional wiper upgrade)
High-precision positioning cylinder with integrated mechanical stopper mechanism, featuring dual-position locking capability through pneumatic pressure. The TWQ series employs a unique wedge-shaped piston design that achieves ±0.1mm repeat positioning accuracy. Anti-rotation design ensures stable load handling with maximum lateral force capacity of 120N at full extension.
- Precision workpiece positioning in CNC automation
- Pallet locking in assembly line transfer systems
- Tooling fixture clamping in machining centers
- Cartesian robot end-stop mechanisms
- Semiconductor wafer handling equipment
Installation guidelines:
Maintain 0.5-1mm clearance between stopper face and target surface during mounting.
Requires 5-40μm filtered lubricated air (ISO 8573-1:2010 Class 4). For vertical installations,
use optional guide brackets (model TWQ-GB40) to prevent side load deflection.
| Property | Property Value |
|---|---|
| sku | TWQ40X25SB |
| Port Size | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Self-locking Function | Non Self-locking |
| Stroke | <25 mm> |
| 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.