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 SEJ40X175-50S Adjustable Cylinder Specifications
- Model: SEJ40X175-50S
 - Type: Double-acting adjustable stroke cylinder
 - Bore size: Ø40 mm
 - Stroke: 175 mm (±0.5 mm tolerance)
 - Adjustment range: 0-50 mm (via external stopper)
 - Operating pressure: 0.15–0.8 MPa
 - Piston speed: 50-800 mm/s
 - Cushioning type: Adjustable rubber buffer (both ends)
 - Rod thread: M16×1.5
 - Mounting options: Front flange (MF1), rear flange (MF2), foot mounting (MP4)
 - Ambient temperature: -20℃ to 80℃
 - Weight: 2.4 kg (with standard accessories)
 - Dimensions: 275mm(L) × 52mm(W) × 52mm(H) (retracted position)
 - Material: Aluminum alloy cylinder tube, chrome-plated steel piston rod
 - Seal material: NBR (standard), optional Fluorocarbon for high temp
 - Air port size: 1/4" NPT (M5 available on request)
 
Precision-engineered adjustable stroke cylinder featuring dual-position mechanical stoppers for millimeter-level positioning accuracy. The T-slot design allows tool-free stroke adjustment while maintaining IP54 protection against particulate ingress. Includes built-in magnetic sensor groove (M9×1.25) for position feedback integration.
- Precision workpiece clamping in CNC fixtures
 - Variable height adjustment in automated packaging lines
 - Tool positioning systems for robotic arms
 - Material handling with dual-position sorting gates
 - Automotive assembly line positioning devices
 
| Property | Property Value | 
|---|---|
| sku | SEJ40X175-50S | 
| Adjustable Stroke | <50mm> | 
| 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 | 175mm | 
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.
              






