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 SEJ50X100-75S Adjustable Stroke Cylinder Specifications
- Model: SEJ50X100-75S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Stroke: 100 mm (adjustable range: ±20% of nominal stroke)
- Adjustment mechanism: External stroke adjustment screw with lock nut
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Rubber buffer + adjustable cushion screw
- Mounting style: Basic type (no built-in mounting)
- Port size: G1/8 (Rc1/8 optional)
- Weight: 1.85 kg (excluding accessories)
- Dimensions: 175mm(L) × 50mm(W) × 50mm(H) (retracted state)
- Rod material: Hard chrome-plated carbon steel
- Tube material: Aluminum alloy with hard anodized surface
- Seal material: NBR (Nitrile rubber)
- Max speed: 500 mm/s
- Lubrication: Pre-lubricated (relubrication interval: 3,000 km)
Precision adjustable stroke cylinder featuring micro-adjustment capability (±0.5mm accuracy) through its unique dual-stage locking mechanism. The 75S variant includes a shock-absorbing end cap with 3-position cushioning adjustment (soft/medium/hard). Designed for applications requiring precise stroke modification without disassembly.
- Die height adjustment in injection molding machines
- Workpiece positioning in CNC automation systems
- Pressure-sensitive clamping devices
- Variable stroke applications in packaging lines
- Semiconductor wafer handling equipment


Property | Property Value |
---|---|
sku | SEJ50X100-75S |
Adjustable Stroke | 75mm |
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 | <50mm> |
Stroke | 100mm |
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.