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 SEJ125X350-50S Adjustable Cylinder Specifications
- Model: SEJ125X350-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 350mm (adjustable)
- Adjustment range: ±5mm via mechanical stopper
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (BSPP thread)
- Mounting type: Front flange MF12
- Rod material: Chrome-plated stainless steel (SUS304)
- Cylinder tube: Hard anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: 5.8kg (excluding accessories)
- Dimensions:
- Extended length: 679mm
- Retracted length: 329mm
- Body width: 150mm (with mounting flange)
- Height: 142mm (including rod end)
Precision-engineered adjustable stroke cylinder featuring micrometer-style stroke adjustment with locknut mechanism. The dual-cushion design minimizes end-impact noise while maintaining positioning accuracy (±0.5mm repeatability). Integrated wear-resistant guide bands ensure smooth operation under side load conditions (max 15% of thrust capacity). Includes corrosion-resistant coatings and IP54-rated dust/water protection.
- Automated production line positioning gates
- Packaging machinery with variable product heights
- Automotive welding fixture height adjustment
- Press tooling with seasonal dimension variations
- Semiconductor handling equipment requiring soft-stop

Property | Property Value |
---|---|
sku | SEJ125X350-50S |
Adjustable Stroke | <50mm> |
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 | 350mm |
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.