Airtac PTBR Single Acting Square Head Compact Cylinder PTBR8X40SR
2. Features a compact miniaturized design with minimized dimensions and lightweight construction
3. Precision-guided piston rod with self-lubricating guide bearings requiring no additional lubrication
4. Front cover integrates mounting threads for direct installation without auxiliary accessories
5. Stainless steel piston rod and cylinder barrel ensure corrosion resistance in mildly aggressive environments
6. Optimized for high-frequency operations with rapid response from small bore configuration
Category: Pen Type Cylinders | Brand: AIRTAC | Series: PTBR
AirTAC PTBR8X40SR Single Acting Square Head Pen Cylinder Specifications
- Model: PTBR8X40SR
- Type: Single acting (spring return)
- Bore size: 8mm
- Stroke: 40mm
- Port size: M5x0.8 (1/8" NPT optional)
- Operating pressure: 0.15–0.8 MPa
- Operating temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Cushioning: Rubber bumper
- Seal material: NBR (Nitrile rubber)
- Mounting style: Side/end mounting holes (3.5mm thread)
- Weight: 0.15 kg
- Dimensions: 80mm(L) × 22mm(W) × 22mm(H) (excluding rod)
- Rod thread: M4x0.7 external thread
- Lubrication: Pre-lubricated (DOP anti-wear oil)
Ultra-compact square body cylinder with precision-ground stainless steel rod (SUS304) and anodized aluminum barrel. Features integrated mounting slots for space-constrained installations. The spring return mechanism provides fail-safe retraction, while the wear-resistant guide ring ensures smooth linear motion. Requires 5μm filtered air.
- PCB handling robots in electronics assembly
- Precision valve actuation in analytical instruments
- Medical device ejection mechanisms
- Compact clamping fixtures in watch manufacturing
- Automatic lens cover operation in surveillance cameras
Installation note:
Maintain ≤0.5mm alignment tolerance during mounting. For vertical installations exceeding 45° angle,
use external guides to prevent piston rod sideload. Lubricate every 500,000 cycles with ISO VG32 turbine oil.
| Property | Property Value |
|---|---|
| sku | PTBR8X40SR |
| Rear Cover Type | Axial Port Type |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20°C to 70°C Speed Range: 50-800mm/s |
| Port Size | M5×0.8 |
| Magnet | S-Magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <8mm> |
| Stroke | <40mm> |
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.