Airtac SEJ Adjustable Cylinder SEJ40X80-30S
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 SEJ40X80-30S Adjustable Cylinder Specifications
- Model: SEJ40X80-30S
- Type: Double-acting adjustable stroke cylinder with magnetic piston
- Bore size: 40mm
- Stroke: 80mm (adjustable range: ±15mm)
- Adjustment mechanism: External threaded stopper with locknut
- Operating pressure: 0.05–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable air cushion at both ends
- Port size: 1/8" NPT (G1/8 optional)
- Mounting type: Basic front flange (ISO 15552 standard)
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: 1.8kg ±3%
- Dimensions (L×W×H): 198mm × 50mm × 50mm (extended length: 278mm)
- Repeat positioning accuracy: ±0.5mm
- Max theoretical force: 502N @0.6MPa
- Magnetic sensor compatibility: D-A93 series (not included)
A precision-adjustable pneumatic cylinder featuring micrometer-style stroke adjustment with ±15mm fine-tuning capability. The dual chrome-plated guide rods ensure stability during partial stroke operations. Includes built-in cushioning adjustment screws for smooth end-of-stroke deceleration. Rated for 5,000km service life under standard conditions.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in automated assembly lines
- Tension control systems for web handling equipment
- Adjustable stops in automotive welding jigs
- Packaging machine product height compensation
Installation guidelines:
Apply anti-seize compound on adjustment threads during installation.
Requires periodic lubrication (ISO VG32 equivalent oil) every 500km of travel.
Maximum side load: 35N. For vertical mounting, use counterbalance valves.
| Property | Property Value |
|---|---|
| sku | SEJ40X80-30S |
| 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 | 80 mm |
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.