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 SEJ40X40-30S Adjustable Cylinder Technical Details
- Model Code: SEJ40X40-30S
- Bore Size: 40mm (ISO 6432 standard)
- Stroke: 40mm (adjustable via mechanical stops)
- Operating Pressure: 0.05-1.0 MPa
- Piston Speed: 50-750 mm/s
- Mounting Style: Basic type (axial mounting holes)
- Cushioning: Adjustable rubber buffer (both ends)
- Ambient Temp Range: -20℃ to 80℃
- Port Size: M5x0.8 (standard) / NPT1/8 optional
- Rod Thread: M12x1.25 (external)
- Weight: 1.63kg (with rod extension)
- Dimensions:
- Body Length: 160mm (excluding rod)
- Stroke-Adjusted Max Length: 200mm
- Square Body Width: 40mm x 40mm
- Rod End Height: 22mm (from centerline)
High-precision adjustable stroke cylinder with enhanced side load capacity, featuring anodized aluminum construction and chromium-plated piston rod. The dual locking nut design enables micron-level stroke adjustment stability. Requires lubrication with ISO VG32 hydraulic oil if used in high-cycle applications (>2Hz).
- CNC machine tool clamping mechanisms
- Pharmaceutical blister packaging position control
- Automated screw driving depth adjustment systems
- Glass panel polishing equipment pressure regulation
- Semiconductor wafer handling position stops
| Property | Property Value |
|---|---|
| sku | SEJ40X40-30S |
| Adjustable Stroke | 30mm |
| 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 | <40mm> |
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.







