Airtac SEJ Adjustable Cylinder SEJ125X75-30S
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 SEJ125X75-30S Adjustable Cylinder Specifications
- Model: SEJ125X75-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 75mm (adjustable)
- Operating pressure: 0.05–0.8 MPa
- Cushioning: Adjustable buffer at both ends
- Port size: G1/8 (standard), optional NPT1/4
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (Cr-Mo alloy)
- Seal type: NBR (standard), optional FKM
- Temperature range: -20℃ to 80℃
- Weight: 4.5kg ±3% (without accessories)
- Dimensions: 300mm(L) × 125mm(W) × 125mm(H)
- Mounting type: Basic fixed (MF1), optional flange/clevis
- Sensor compatibility: Built-in magnet for magnetic switch (SM/SD series)
- ISO standard: 15552 compliant
High-precision industrial cylinder featuring dual-path adjustable cushioning and position feedback capability. The T-slot design enables easy stroke adjustment (±5mm fine-tuning) without disassembly. Corrosion-resistant construction with IP54 protection rating ensures reliable operation in harsh environments.
- Automated production line positioning systems
- Die-casting machine ejection mechanisms
- Packaging equipment pressure control
- Automotive fixture clamping devices
- Palletizing robot end-effectors
Installation note:
Lubricate rod with ISO VG32 hydraulic oil before initial use.
Maintain 0.3-0.5mm clearance between magnetic switch and cylinder body.
Maximum side load: 150N. Avoid welding spatter exposure.
| Property | Property Value |
|---|---|
| sku | SEJ125X75-30S |
| 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 | 75mm |
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.