2. Miniature square-body design with compact structure, reduced footprint, and lightweight construction
3. High-precision piston rod guidance featuring self-lubricated bearings for maintenance-free operation
4. Integrated mounting threads on front cover enable direct installation without auxiliary accessories
5. Stainless steel piston rod and cylinder construction ensures corrosion resistance in harsh environments
6. Optimized small bore configuration delivers rapid response, suitable for high-frequency cycling applications
Category: Compact Cylinders | Brand: AIRTAC | Series: PSBR Single-Acting Square-body Miniature Cylinders
AirTAC PSBR8X20U Single Acting Square Head Pen Cylinder Specifications
- Model: PSBR8X20U
- Type: Single acting (spring return)
- Bore size: 8mm
- Stroke: 20mm (±1mm)
- Operating pressure: 0.15–0.8 MPa
- Operating temperature: -20℃ to 80℃
- Cushion type: Rubber buffer (adjustable)
- Port thread: M5×0.8
- Piston rod material: SUS304 stainless steel
- Tube material: Aluminum alloy (anodized)
- Seal material: NBR rubber (oil & heat resistant)
- Weight: 0.12kg ±3%
- Dimensions:
- Body length: 48mm
- Square head width: 16mm
- Overall height (with rod): 72mm
- Mounting hole spacing: 20mm (longitudinal)
- ISO compatibility: Compliant with ISO 6432 standards
- Lubrication: Pre-lubricated (use ISO VG32 or equivalent)
Ultra-compact square head design optimized for confined spaces, featuring precision-ground piston rod and dual sealing system. The U-suffix model includes built-in mounting threads (M4×0.7 on two faces) for flexible installation. Requires 5μm filtered air and periodic lubrication every 3 million cycles.
- PCB handling robots in electronics manufacturing
- Micro-dosing valves in pharmaceutical equipment
- Optical lens positioning systems
- Laboratory sample handling mechanisms
- Miniature clamping fixtures for watchmaking
| Property | Property Value |
|---|---|
| sku | PSBR8X20U |
| Rear Cover Type | Radial Air Inlet |
| 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.











