Airtac TWQ Stopper Cylinder TWQ40X25K
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 TWQ40X25K Stopper Cylinder Technical Specifications
- Model: TWQ40X25K
- Type: Compact profile double-acting stopper cylinder
- Bore size: 40mm
- Stroke: 25mm (±0.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Operating temperature: -10℃ to 80℃
- Cushioning: Adjustable rubber buffer + shock absorber
- Piston speed: 50–700 mm/s
- Mounting type: Standard MF1 flange (ISO 15552 compatible)
- Port size: M5x0.8 (dual ports on both ends)
- Rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal type: NBR + polyurethane hybrid seals
- Weight: 1.45 kg (without accessories)
- Dimensions: 150mm(L) × 42mm(W) × 42mm(H) (retracted state)
- Protection class: IP67 (wipers included)
- Lubrication: Pre-lubricated (Grease-free operation possible)
High-precision stopper cylinder with integrated shock absorption, designed for precision part positioning and workpiece retention in automated systems. Features dual anti-rotation guides for enhanced stability during vertical/horizontal operation. The hardened piston rod withstands side loads up to 30N·m.
- Conveyor line part positioning gates
- Robotic welding fixture locking mechanisms
- CNC machine tool pallet stoppers
- Automotive assembly line buffer stops
- Packaging machine product counters
Installation tip:
Align within 0.2mm perpendicularity tolerance relative to workpiece path.
Use locknuts on adjustable stopper bolts (included). Lubricate guide shafts
every 5,000km operation with ISO VG32 hydraulic oil.
| Property | Property Value |
|---|---|
| sku | TWQ40X25K |
| Port Size | PT1/8 |
| Magnet | Non-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.