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 SEJ80X125-50H Adjustable Stroke Cylinder Specifications
- Model: SEJ80X125-50H
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80 mm
- Stroke: 125 mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Rubber buffer (front/rear)
- Temperature range: -20℃ to 80℃
- Port size: G1/2 (ISO228/1 standard)
- Mounting: Standard ISO15552 (previously ISO6431) front flange
- Rod end: External thread M20×1.5
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (Cr-Mo)
- Seal type: NBR rubber (standard), optional FKM
- Weight: 5.3 kg (without accessories)
- Dimensions: 325mm(L) × 98mm(W) × 98mm(H) (full extension)
- Stroke adjustment range: 0–125 mm (mechanical stop)
- Max theoretical force: 5024N @1.0MPa
- Speed range: 50–750 mm/s
- Protection class: IP65 (standard wiper)
High-precision adjustable stroke cylinder featuring mechanical stroke adjustment mechanism with locknut for stable positioning. The SEJ series combines ISO15552 mounting compatibility with enhanced durability through triple chrome plating on piston rods. Integrated cushioning adjustment screws allow fine-tuning of end-position deceleration. Includes auto switch groove for sensor mounting.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in automotive assembly lines
- Packaging machine pusher mechanisms with adjustable throw
- Plastic injection molding ejector systems
- Material handling systems requiring multi-position stops

Property | Property Value |
---|---|
sku | SEJ80X125-50H |
Adjustable Stroke | <50mm> |
Seal Material | FKM |
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 | Non-magnetic |
Bore Diameter | 80 mm |
Stroke | 125mm |
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.