Airtac PTBR Single Acting Square Head Compact Cylinder PTBR8X20R
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 PTBR8X20R Single Acting Square Head Compact Cylinder Specifications
- Model: PTBR8X20R
- Type: Single acting spring return (push type)
- Bore size: 8mm
- Stroke: 20mm (±1mm tolerance)
- Operating pressure: 0.05–0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable rubber buffer
- Port thread: M5×0.8 (standard), G1/8 optional
- Piston material: Aluminum alloy (hard anodized)
- Rod material: Stainless steel (SUS304)
- Seal type: NBR wear-resistant seals
- Weight: 135g ±2% (without accessories)
- Dimensions: 32mm(W) × 26mm(H) × 74.5mm(L)
- Mounting: Standard square head with 2x M4 threaded holes
- ISO standard: Compliant with ISO 6432:2015
Ultra-compact cylinder optimized for space-constrained automation systems. Features a square body for anti-rotation stability and dual-purpose mounting. The chrome-plated piston rod provides corrosion resistance in humid environments. Includes built-in auto-exhaust function for simplified piping.
- PCB handling robots in electronics manufacturing
- Precision valve actuation in analytical instruments
- Medical device component positioning
- Textile machinery thread control systems
- Semiconductor wafer clamping mechanisms
Installation note:
Lubricate with ISO VG32 hydraulic oil before initial use.
For vertical mounting, reduce maximum load by 30%.
Maintain 0.3mm minimum clearance between rod end and workpiece.
- PTBR-MK4: Magnetic sensor kit (2-wire NPN/PNP)
- PTBR-SS: Stainless steel full-body version
- PTBR-QC: Quick-connect coupler set (M5 to Φ4 push-in)
| Property | Property Value |
|---|---|
| sku | PTBR8X20R |
| 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 | Non-magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <8mm> |
| 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.