Airtac SEJ Adjustable Cylinder SEJ125X80-75
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 SEJ125X80-75 Adjustable Cylinder Specifications
- Model: SEJ125X80-75
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø125mm
- Stroke: 75mm (adjustable)
- Rod diameter: Ø40mm (chrome-plated)
- Operating pressure: 0.05–1.0 MPa
- Medium temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (NPT1/2 optional)
- Mounting type: Basic MF1 (multiple mounting options available)
- Material: Aluminum alloy barrel, carbon steel rod
- Weight: 12.8kg ±2%
- Dimensions (L×W×H):
- Retracted length: 318mm
- Extended length: 393mm
- Body width: 160mm
- Mounting height: 135mm
- ISO standard: 15552 compliant
- Lubrication: Pre-lubricated (use ISO VG32 oil if required)
High-precision industrial cylinder featuring dual external stroke adjustment screws (±5mm fine-tuning capability) with locking nuts. The hardened stainless steel guide bushing ensures precise linear motion, while the magnetic piston version (SEJ125X80-75-M) enables position feedback. Integrated shock absorbers reduce end-impact noise by 15dB compared to standard models.
- Die-casting machine ejection systems
- Automotive welding fixture positioning
- Paper converting equipment
- Plastic injection molding clamp adjustment
- Heavy-duty material handling gates
Installation guidelines:
Maintain 0.5mm minimum clearance between rod end and load during alignment.
For vertical mounting, install emergency stop valve in supply line.
Requires weekly lubrication (2-3 drops ISO VG32) in high-cycle applications (>500 cycles/hr).
| Property | Property Value |
|---|---|
| sku | SEJ125X80-75 |
| Adjustable Stroke | 75mm |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 80 mm |
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.