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 SEJ100X250-50S Adjustable Stroke Cylinder Specifications
- Model: SEJ100X250-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø100mm (±0.5mm tolerance)
- Stroke length: 250mm (field-adjustable from 0-250mm)
- Mounting style: Front flange (MF1) with precision alignment slots
- Operating pressure: 0.05-1.0 MPa (0.5-10 bar)
- Medium temperature: -20℃ to 80℃ (dry air required above 0℃)
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: PT1/2 (G1/2 optional)
- Rod material: Hard chrome-plated carbon steel (5μm coating)
- Tube material: Anodized aluminum alloy (25μm surface treatment)
- Weight: 12.8kg (without accessories)
- Dimensions:
- Total length: 522mm (min: 272mm when fully retracted)
- Body width: 130mm (flange to rod end)
- Height: 120mm (including mounting base)
- Cycle rate: ≤3 cycles/sec (with cushioning engaged)
- ISO standard: 15552 compliant
Heavy-duty adjustable cylinder featuring a unique mechanical locking mechanism for stroke fixation. The SEJ series incorporates dual-layer rod sealing (NBR + polyurethane) for high-speed applications. Requires 5-40μm filtered compressed air with ISO 8573-1:2010 class 4.3.4 purity standards. Optional magnetic piston version available for position sensing.
- Variable height positioning in automotive assembly jigs
- Press machine ram adjustment systems
- Palletizing robot end-effector force control
- Glass tempering furnace door pressure regulation
- Injection molding ejector stroke fine-tuning

Property | Property Value |
---|---|
sku | SEJ100X250-50S |
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:-20-70°C Speed Range:30-800mm/s |
Port Size | PT 1/2 |
Magnet | S-Magnetic |
Bore Diameter | 100mm |
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.