Airtac SEJ Adjustable Cylinder SEJ40X250-100S
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 SEJ40X250-100S Adjustable Cylinder Specifications
- Model: SEJ40X250-100S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 250mm (maximum)
- Adjustment range: 0-100mm stroke reduction
- Operating pressure: 0.05–0.8 MPa
- Port size: PT1/4 (G1/8 optional)
- Cushioning: Adjustable pneumatic cushion
- Mounting style: Front/rear flange (ISO 15552 standard)
- Temperature range: -10℃ to 80℃
- Seal material: NBR (Nitrile rubber)
- Protection rating: IP40
- Weight: 3.8kg ±2%
- Dimensions: 250mm(L) × 80mm(W) × 100mm(H) (Extended length)
- Rod diameter: 16mm
- Maximum speed: 800mm/s
- Lubrication: Pre-lubricated (Grease-free operation)
Precision-engineered adjustable stroke cylinder featuring dual-position mechanical stops for repeatable positioning. The chrome-plated piston rod and anodized aluminum barrel ensure corrosion resistance in humid environments. Integrated cushion adjustment screws allow fine-tuning of end-position deceleration. Compatible with all ISO 15552 mounting accessories.
- Variable height positioning in automated assembly lines
- Packaging machine product ejection systems
- Clamping force adjustment in CNC fixtures
- Printing press roller engagement control
- Solar panel angle adjustment mechanisms
Installation note:
Adjustable stops require periodic verification (recommended every 50,000 cycles).
Maintain minimum 0.5mm clearance between stopper plates during adjustment.
Use locknuts after position setting to prevent drift.
- Filtered air (5-40μm)
- Relative humidity below 80% (non-condensing)
- Oil mist lubrication optional (ISO VG32 or equivalent)
| Property | Property Value |
|---|---|
| sku | SEJ40X250-100S |
| Adjustable Stroke | 100mm |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | <250MM> → <250mm> |
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.