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 SEJ50X100-40 Technical Specifications
- Model: SEJ50X100-40
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50mm
- Stroke: 100mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Rubber buffer + external adjustable stopper
- Mounting style: M40x1.5 threaded rear (ISO 6149 standard)
- Rod end type: Female thread M20x1.5
- Operating temperature: -10℃ to 80℃
- Piston speed: 50–800 mm/s
- Seal material: Polyurethane (NBR optional)
- Material composition: Aluminum barrel, Chrome-plated piston rod
- Weight: 1.8kg (excluding accessories)
- Dimensions: 200mm(L) × 50mm(W) × 50mm(H) (at full retraction)
- Port size: G1/8 (BSPP)
- Lubrication: Pre-lubricated (Use ISO VG32 hydraulic oil if required)
Precision-adjustable pneumatic cylinder featuring dual-position locking mechanism for millimeter-level stroke control. The corrosion-resistant design incorporates a hard-anodized aluminum barrel and triple-lip rod seal for harsh environments. Includes magnetic piston for position sensing compatibility.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in automated assembly lines
- Material feeding systems requiring stroke adjustment during operation
- Packaging machine pusher mechanisms with space constraints
- Semiconductor handling equipment needing contamination control

Property | Property Value |
---|---|
sku | SEJ50X100-40 |
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 | PT1/4 |
Magnet | Non-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.