Airtac SEJ Adjustable Cylinder SEJ40X40-20S
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 SEJ40X40-20S Adjustable Stroke Cylinder Specifications
- Model: SEJ40X40-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: Adjustable 0-40mm (Max. stroke 40mm)
- Rod diameter: 12mm
- Operating pressure: 0.1-0.9 MPa
- Cushioning: Adjustable air cushion (both ends)
- Port size: M5x0.8 (1/8" NPT optional)
- Mounting type: Basic (no flange)
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 0.68 kg (1.5 lbs)
- Dimensions (L×W×H):
- Minimum length (retracted): 156mm
- Maximum length (extended): 196mm
- Body width: 52mm
- Mounting height: 40mm
Precision-engineered adjustable stroke cylinder featuring a unique mechanical stopper system for millimeter-level positioning accuracy. The rotating adjustment ring allows stroke modification without disassembly. Corrosion-resistant construction with IP65 protection rating ensures reliable operation in dusty environments.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in automated assembly lines
- Force-controlled pressing operations
- Material handling systems requiring adjustable stroke
- Packaging machinery with variable product sizes
Operation Tip: Lubricate with ISO VG32 hydraulic oil or equivalent.
For stroke adjustment:
1) Loosen lock nut
2) Rotate adjustment ring (1 full rotation ≈ 1.5mm stroke change)
3) Re-tighten at desired position.
Avoid exceeding maximum stroke during adjustment.
- Magnetic sensor kit (D-M9N)
- Rod-end clevis (MF12)
- Speed controller (ASC2000)
- Heat-resistant seals (up to 120℃)
| Property | Property Value |
|---|---|
| sku | SEJ40X40-20S |
| 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 | <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.