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 JSIJ Series Adjustable Stroke Cylinder - JSIJ125X300-50TC Technical Details
- Model Code: JSIJ125X300-50TC
- Series: JSIJ100~125 Adjustable Stroke Cylinder
- Bore Size: Ø125mm (±0.1mm tolerance)
- Stroke Length: 300mm (adjustable range ±3mm)
- Adjustment Mechanism: External mechanical stopper with 50mm stroke adjustment range
- Operating Pressure: 0.05-1.0 MPa (7-145 PSI)
- Temperature Range: -20℃ to 80℃ (NBR seals)
- Cushioning: Dual adjustable pneumatic cushions
- Mounting Style: Standard ISO 15552 front flange (MF1) with rear foot mounting (MP2)
- Port Size: G3/8 (BSPP thread)
- Piston Rod: Chrome-plated steel Ø32mm
- Weight: 9.8kg ±2% (excluding accessories)
- Dimensions (L×W×H):
- Extended Length: 648mm
- Retracted Length: 348mm
- Body Diameter: Ø136mm
- Mounting Flange: 160×160mm
- Lubrication: Pre-lubricated (Relubrication interval: 2,000km stroke)
- ISO Certification: Compliant with ISO 15552 standards
Heavy-duty adjustable stroke cylinder featuring precision ground tube and double-sealed wear bands for industrial durability. The external stroke adjustment mechanism allows ±3mm fine-tuning via hexagonal wrench without disassembly. Special anti-rotation design maintains alignment in high torque applications.
- Press machine stroke control systems
- Automotive welding fixture positioning
- Die casting machine ejection mechanisms
- Paper converting equipment with variable web lengths
- Plastic injection molding clamp adjustment
- Allow 50mm front clearance for full stroke adjustment
- Use M12×1.75 mounting bolts (Grade 8.8 or higher)
- Max permissible speed: 800mm/s (cushioned)
- Rod end thread: M24×1.5 (male)
| Property | Property Value |
|---|---|
| sku | JSIJ125X300-50TC |
| Adjustable Stroke | <50mm> |
| 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 | Non-magnetic |
| Cushion Stroke | 33mm |
| Bore Diameter | 125mm |
| Stroke | 300mm |
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.







