Airtac SEJ Adjustable Cylinder SEJ125X100-30S
2. Asymmetric bidirectional piston seal structure with compact dimensions and integrated oil reservoir function;
3. Rodless square aluminum tubing construction enhances corrosion resistance;
4. Adjustable cushioning mechanism ensures smooth stroke modulation;
5. Customizable configurations with multiple cylinder variants and mounting accessories;
6. High-temperature resistant sealing materials enable operational range of 0-150°C.
Category: Adjustable Cylinders | Brand: AirTAC | Series: SEJ
AirTAC SEJ125X100-30S Adjustable Cylinder Specifications
- Model: SEJ125X100-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 100mm (±30mm adjustable range)
- Operating pressure: 0.15–0.8 MPa
- Port size: G1/2 (ISO standard)
- Cushioning: Adjustable pneumatic cushion
- Mounting style: Standard foot mounting (MF1)
- Rod material: Hard chrome-plated steel
- Tube material: Aluminum alloy with hard anodization
- Seal material: NBR (Nitrile rubber)
- Ambient temperature: -20℃ to 80℃
- Weight: 12.5kg (excluding accessories)
- Dimensions: 460mm(L) × 125mm(W) × 125mm(H)
- Piston rod diameter: 40mm
- Max thrust: 8,700N @0.6MPa
- ISO standard: 15552 (formerly ISO 6431)
Heavy-duty adjustable stroke cylinder featuring dual external stroke adjustment screws with locking nuts for precise position control. Integrated shock absorbers with 5-stage cushion adjustment prevent end-impact damage. Corrosion-resistant construction with IP54 protection rating ensures reliability in harsh environments.
- Variable height positioning in automotive assembly jigs
- Packaging machine product height compensation systems
- Press tooling with adjustable depth control
- Material handling equipment with variable stroke requirements
- Plastic injection molding machine ejector mechanisms
Installation note:
Always align cylinder axis with motion direction. Use anti-vibration washers
when mounting to steel structures. Lubricate adjustment screws with
MIL-PRF-81309 grease annually. Requires 5μm filtered air with automatic lubrication.
- Loosen both lock nuts (M30×1.5) using 46mm spanner
- Rotate adjustment screw clockwise to reduce stroke (max 30mm reduction)
- Counter-clockwise rotation increases stroke length
- Re-tighten nuts to 35±5 N·m torque after adjustment
| Property | Property Value |
|---|---|
| sku | SEJ125X100-30S |
| Adjustable Stroke | 30mm |
| Seal Material | Polyurethane |
| 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: 30 to 500 mm/s |
| Port Size | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 100mm |
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.