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 SEJ40X200-20S Adjustable Cylinder Specifications
- Model: SEJ40X200-20S
 - Type: Double-acting adjustable stroke cylinder
 - Bore size: 40mm
 - Stroke: 200mm (adjustable)
 - Stroke adjustment range: 0-200mm (±10mm)
 - Operating pressure: 0.1-0.9 MPa
 - Port size: 1/4" NPT (G1/8 optional)
 - Cushioning type: Adjustable pneumatic cushion
 - Mounting style: Basic type (MF1) / Front flange (FF) / Rear flange (RF)
 - Operating temperature: -20℃ to 80℃
 - Piston seal material: NBR + polyurethane
 - Rod material: Chrome-plated steel (C45E)
 - Tube material: Aluminum alloy (hard anodized)
 - Weight: 2.5kg (without accessories)
 - Dimensions: 300mm(L) × 48mm(W) × 48mm(H) (fully extended)
 - Max theoretical force: 1,131N @0.63MPa
 - ISO standard: ISO 6432 compliant
 
High-precision adjustable stroke cylinder featuring dual-position mechanical stops for micro-adjustment. Incorporates shock-absorbing end caps and wear-resistant guide rings for smooth operation in high-cycle applications. The rod end includes a 5mm hex socket for precise stroke adjustment using standard tools.
- Precision positioning in automated assembly lines
 - Variable stroke press mechanisms
 - Material handling with adjustable clamping force
 - Packaging machine pusher mechanisms
 - Test equipment requiring variable travel limits
 
| Property | Property Value | 
|---|---|
| sku | SEJ40X200-20S | 
| Adjustable Stroke | <20mm> | 
| 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 | <200mm> | 
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.
              






