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 SEJ Adjustable Cylinder SEJ80X200-50S Technical Details
- Model: SEJ80X200-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 80 mm
- Stroke: 200 mm (adjustable range: ±25mm)
- Operating pressure: 0.05–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: M14×1.5 (standard) / NPT1/2 (optional)
- Mounting style: Front/rear threaded (M16×2) / foot-mounted
- Material:
- Tube: Hard anodized aluminum alloy
- Piston rod: Chrome-plated stainless steel (SUS304)
- Seals: Polyurethane (standard) / Nitrile rubber (optional)
- Weight: 3.5 kg (without accessories)
- Dimensions:
- Extended length: 410 mm
- Retracted length: 210 mm
- Body diameter: 95 mm (max outer dimension)
- Mounting hole spacing: 60×60 mm (foot mount pattern)
Precision-engineered adjustable stroke cylinder featuring micrometer-style stroke adjustment mechanism (±25mm) with locknut retention. The triple-seal design ensures leak-free operation in high-cycle applications. Integrated shock absorbers minimize end-impact noise, while the hardened piston rod surface (HRC 45-50) provides exceptional wear resistance. Compatible with ISO 15552 mounting accessories.
- Variable stroke press mechanisms in automotive assembly
- Position-adjustable clamping systems for CNC fixtures
- Packaging line product ejection with adjustable timing
- Plastic injection molding machine core-pull adjustments
- Semiconductor handling equipment with Z-axis positioning

Property | Property Value |
---|---|
sku | SEJ80X200-50S |
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 | PT3/8 |
Magnet | S-Magnetic |
Bore Diameter | 80 mm |
Stroke | <200mm> |
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.