2. Features profiled bidirectional sealing structure for piston with compact dimensions and integrated oil reservoir;
3. JSI series adopts aluminum tube with internal cross rib reinforcement (rodless design), offering enhanced corrosion resistance;
4. Compact length compared to ISO15552 standard cylinders of equivalent bore size;
5. Smooth cushioning adjustment mechanism for stable operation;
6. Available in multiple configurations with comprehensive cylinder mounting accessories.
Category: Standard Cylinders | Brand: AIRTAC | Series: JSIJ100~125
AirTAC JSIJ125X250-75S Adjustable Stroke Cylinder Specifications
- Model Series: JSIJ100~125
- Specific Model: JSIJ125X250-75S
- Type: Double-acting adjustable stroke cylinder
- Bore Size: Ø125mm (±0.1mm tolerance)
- Stroke: 250mm (adjustable through built-in mechanical stopper)
- Operating Pressure: 0.05-1.0 MPa
- Temperature Range: -20℃ to 80℃
- Cushion Type: Rubber buffer + adjustable hydraulic absorber
- Mounting Style: 75S - Fixed front flange with rear foot mounting
- Port Size: G1/2 (BSPP thread)
- Piston Rod Material: Hard chrome-plated carbon steel (16mm diameter)
- Tube Material: Anodized aluminum alloy
- Seal Material: NBR (Nitrile) with wear-resistant ring
- Weight: 8.7kg ±2% (without accessories)
- Dimensions:
- Length: 510mm (fully extended)
- Width: 158mm (mounting flange side)
- Height: 158mm (square body profile)
- ISO Standard: 15552 (previously ISO 6431)
- Protection Rating: IP54 (standard seals)
High-precision industrial cylinder featuring unique position-lock mechanism for mid-stroke fixation. The dual cushioning system combines mechanical and hydraulic damping, reducing end-impact noise to ≤70dB. Precision-machined guide bushing ensures ≤0.5mm lateral runout at full extension. Requires ISO 8573-1:2010 Class 3 compressed air.
- Variable position pressing operations in automotive assembly
- Palletizing robots with adaptive stroke requirements
- Die casting machine ejection systems
- Glass tempering furnace door actuators
- Paper roll clamping in printing machinery
| Property | Property Value |
|---|---|
| sku | JSIJ125X250-75S |
| Adjustable Stroke | 75mm |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT 1/2 |
| Magnet | S-Magnetic |
| Cushion Stroke | 33mm |
| Bore Diameter | 125mm |
| Stroke | <250MM> → <250mm> |
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.



