Airtac SEJ Adjustable Cylinder SEJ40X75-20S
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 SEJ40X75-20S Adjustable Cylinder Specifications
- Model: SEJ40X75-20S
- Type: Adjustable stroke compact cylinder
- Bore size: 40mm
- Stroke: 75mm (max) with 20mm adjustable range
- Operating pressure: 0.1-0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable rubber cushion
- Port size: G1/8 (NPT1/8 optional)
- Mounting type: Basic type (MF1)
- Rod end: Female thread M10×1.25
- Seal material: NBR (Nitrile rubber)
- Weight: 1.23kg ±2%
- Dimensions: 207mm(L) × 40mm(Ø) × 40mm(H) (retracted)
- Max piston speed: 500mm/s
- ISO standard: 6432
- Accessories: Built-in magnet for magnetic switch (D-M9NW)
A precision-engineered compact cylinder featuring stroke adjustment via built-in stroke adjustment screws (±10mm modification capability). The double-acting design incorporates corrosion-resistant aluminum alloy construction with chrome-plated piston rod (hardness HV700±50). Includes auto-switch mounting slots for sensor integration and grease-free operation capability.
- Precision positioning in semiconductor handling equipment
- Variable clamping force adjustment in CNC fixtures
- Packaging machine stopper mechanisms
- Automated door stroke limitation systems
- 3D printer Z-axis emergency stop devices
Installation note:
For optimal performance, maintain 0.5-1mm clearance between adjustment screws and stoppers.
Lubricate with ISO VG32 hydraulic oil if used in high-cycle applications (>2Hz).
Avoid side load exceeding 15N during operation.
| Property | Property Value |
|---|---|
| sku | SEJ40X75-20S |
| 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 | 75mm |
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.