Airtac SEJ Adjustable Cylinder SEJ40X50-40S
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 SEJ40X50-40S Adjustable Cylinder Technical Details
- Model: SEJ40X50-40S
- Type: Adjustable stroke double-acting cylinder
- Bore size: 40mm
- Stroke: 50mm (adjustable)
- Operating pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable hydraulic shock absorber
- Mounting style: Standard MF2 (front flange)
- Port size: 1/4" NPT (G1/8 optional)
- Operating temperature: -10℃ to 80℃
- Rod material: Hard chrome-plated steel
- Cylinder body: Aluminum alloy (AL6063-T5)
- Seal material: NBR (nitrile rubber)
- Weight: 1.82kg ±3%
- Dimensions:
- Extended length: 176mm
- Retracted length: 126mm
- Body diameter: 52mm
- Mounting hole spacing: 30mm × 30mm
Precision-engineered adjustable stroke cylinder featuring dual cushioning adjustment screws (front/rear) for optimal motion control. The SEJ series incorporates an integrated guide rod structure for enhanced lateral load capacity (max 30% of thrust force). Includes wear-resistant rod scraper and auto-lubricating bushings. Requires ISO 8573-1:2010 Class 3 compressed air.
- Variable position clamping in CNC tool changers
- Precision press-fit operations in electronics assembly
- Adjustable stopper mechanisms in conveyor systems
- Material handling equipment with variable stroke requirements
- Packaging machine product ejection systems
Maintenance advisory:
Lubricate through air supply (ISO VG32 pneumatic oil mist) and inspect cushioning adjustment monthly.
Avoid side load exceeding 58N. Max piston speed: 500mm/s. Install with 5mm clearance around cylinder body for heat dissipation.
- For vertical installations: Use locknut (AN40-S accessory) to prevent stroke creep
- High-cycle applications: Recommend adding rod-end support (SEJ-RS40)
- Humid environments: Specify stainless steel rod option (SEJ40X50-40S-SUS)
| Property | Property Value |
|---|---|
| sku | SEJ40X50-40S |
| 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 | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | <50mm> |
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.