Airtac SEJ Adjustable Cylinder SEJ125X80-50
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 SEJ125X80-50 Adjustable Stroke Cylinder Specifications
- Model: SEJ125X80-50
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 80mm (±5mm adjustable range)
- Adjustment mechanism: Mechanical stopper with locknut
- Operating pressure: 0.1–0.8 MPa
- Temperature range: -20℃ to 80℃
- Seal material: NBR (Nitrile) standard, optional FKM/Viton
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting type: Basic profile with ISO/VDMA mounting grooves
- Port size: G1/2 (BSPP thread)
- Weight: 12.5kg (excluding accessories)
- Dimensions: 350mm(L) × 180mm(W) × 180mm(H)
- Rod thread: M30×1.5 external thread
- Max thrust: 7,850N @ 0.6MPa
- Piston speed: 50–800mm/s
Heavy-duty adjustable stroke cylinder featuring precision-ground stainless steel rod and anodized aluminum barrel. The dual-position mechanical stopper allows ±5mm stroke adjustment without disassembly, ideal for applications requiring fine position tuning. Includes integrated shock absorbers and wear-resistant guide bands for smooth operation in high-cycle environments.
- Variable height positioning in automotive assembly jigs
- Adjustable clamping force control in CNC fixtures
- Material handling systems with variable stroke requirements
- Packaging line product height compensation
- Die-casting machine ejection force adjustment
Installation note:
Locknuts must be tightened to 40–45N·m torque after adjustment.
Lubricate adjustment threads monthly with ISO VG32 hydraulic oil.
Avoid side loads exceeding 200N to prevent rod deflection.
Critical:
Always depressurize system before adjusting stroke.
Maximum allowable misalignment: 0.5° angular/1mm parallel.
| Property | Property Value |
|---|---|
| sku | SEJ125X80-50 |
| 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 | 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.