
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 PTBR12X20SR Single Acting Square Head Pen Cylinder Specifications
- Model: PTBR12X20SR
- Type: Single acting spring return (push type)
- Bore size: 12mm
- Stroke: 20mm
- Operation: Air to extend, spring return
- Port size: M5x0.8 (dual ports)
- Operating pressure: 0.15–0.8 MPa
- Cushioning: Fixed rubber buffer
- Material: Aluminum alloy barrel, SUS304 piston rod
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 0.15kg (excluding accessories)
- Dimensions:
- Total length (retracted): 72mm
- Body diameter: Φ20mm
- Mounting base: 12mm x 12mm square
- Piston rod thread: M4x0.7
- Protection rating: IP54 (standard)
- Lubrication: Pre-lubricated (use ISO VG32 turbine oil)
Ultra-compact square head cylinder designed for precision linear motion in confined spaces. Features dual mounting options (front flange or side square base) and corrosion-resistant construction. The spring-return mechanism ensures fail-safe retraction during air pressure loss. Requires 5μm filtered air with 1-10mg/m³ oil mist content.
- Semiconductor wafer handling robots
- Medical device actuation mechanisms
- Precision clamping in PCB assembly
- Automatic dispenser nozzle control
- Laboratory instrument positioning
| Property | Property Value |
|---|---|
| sku | PTBR12X20SR |
| 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 | 12mm |
| Stroke | <20mm> |
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.