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 Series Adjustable Cylinder SEJ63X75-40S Technical Specifications
- Model: SEJ63X75-40S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 63mm (±0.05mm tolerance)
- Stroke: 75mm (adjustable range: ±5mm via mechanical stops)
- Operating pressure: 0.05–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Rubber buffer with adjustable damping
- Port size: 1/4" NPT (G1/8 optional)
- Mounting: Standard foot mounting (ISO 15552 compatible)
- Material:
- Tube: Hard anodized aluminum alloy
- Piston rod: Chrome-plated stainless steel (SUS304)
- Seals: NBR (nitrile rubber)
- Weight: 2.8kg (without accessories)
- Dimensions:
- Total length: 180mm (at mid-stroke)
- Width (mounting base): 85mm
- Height (including rod): 130mm
Precision-engineered adjustable stroke cylinder featuring dual mechanical stroke adjustment screws with locknuts for stable positioning. Incorporates wear-resistant rod bearing and low-friction seals for >3,000km service life. The corrosion-resistant design includes IP54-rated rod wiper for harsh environments. Requires 40μm filtered air with ISO VG32 lubricator oil (optional).
- Variable clamping force fixtures in CNC machining centers
- Position-adjustable ejectors in plastic injection molding
- Height-adjustable conveyor stops in packaging lines
- Pressure-sensitive assembly tools in automotive manufacturing
- Variable stroke press mechanisms in paper converting

Property | Property Value |
---|---|
sku | SEJ63X75-40S |
Adjustable Stroke | <40mm> |
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 | 63mm |
Stroke | 75mm |
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.