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 PSBR8X25SR Single-Acting Square Head Compact Cylinder Specifications
- Model: PSBR8X25SR
- Type: Single-acting spring return (push type)
- Bore size: 8mm
- Stroke: 25mm
- Operation: Air to port advances piston, spring returns
- Operating pressure: 0.15–0.8 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable rubber buffer
- Mounting style: Square head with 2x M3 threaded holes
- Port size: M5x0.8 (standard), optional NPT1/8
- Material:
- Cylinder tube: Aluminum alloy (hard anodized)
- Piston rod: Stainless steel (SUS304)
- Seals: NBR rubber
- Weight: 82g ±2g
- Dimensions:
- Total length: 64mm (at full retraction)
- Body cross-section: 20mm x 20mm
- Rod end thread: M4x0.7 (6mm thread length)
- Lubrication: Pre-lubricated (Grease G-30)
- Protection rating: IP54 (standard), IP67 optional
A space-optimized linear actuator featuring high-precision machining and minimal footprint. The square head design enables direct mounting to fixtures using M3 fasteners, while the chrome-plated piston rod resists corrosion in humid environments. Requires 5μm filtered compressed air with ISO 8573-1:2010 Class 3.4.3 air quality.
- Precision clamping in CNC tool changers
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- Valve actuation in portable medical analyzers
- Paper feed mechanisms in compact printers
- Optics positioning in semiconductor inspection equipment
| Property | Property Value |
|---|---|
| sku | PSBR8X25SR |
| 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 | <25 mm> |
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.







