Airtac SEJ Adjustable Cylinder SEJ100X65-20S
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 SEJ100X65-20S Adjustable Cylinder Specifications
- Model: SEJ100X65-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø100mm
- Stroke: 65mm (adjustable through internal stopper)
- Mounting style: Standard ISO 15552 foot-mount with through-hole design
- Port size: G1/2 (BSPP thread)
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to +80℃
- Cushioning: Adjustable pneumatic cushion at both ends
- Material:
- Tube: Hard anodized aluminum alloy
- Piston rod: Chrome-plated carbon steel (Cr-Mo)
- Seals: NBR (Nitrile) standard, optional FKM/Viton
- Weight: 4.8kg ±2% (without accessories)
- Dimensions:
- Extended length: 300mm (at max stroke)
- Retracted length: 235mm
- Width: 115mm (mounting foot span)
- Height: 115mm (including rod end)
- Rod thread: M20×1.5 external thread
- Protection rating: IP54 (standard wipers)
High-precision industrial cylinder featuring micrometer-style stroke adjustment (±0.5mm repeatability) via rotary end caps. The hardened piston rod and double lip seals ensure 2,000km+ service life under continuous operation. Includes magnetic piston for sensor compatibility and anti-rotation guide to maintain load orientation.
- Press-fit operations in automotive assembly lines
- Variable height positioning in packaging machinery
- Clamping force adjustment in CNC fixtures
- Material feeding systems requiring stroke fine-tuning
- Plastic injection molding ejector mechanisms
Installation guidelines:
Use locknuts (not included) on mounting bolts to prevent vibration loosening.
Lubricate with ISO VG32 hydraulic oil during initial setup.
Allow 50mm clearance behind adjustment dials for maintenance access.
- Release air pressure from both ports
- Rotate end cap clockwise to decrease stroke (max 3 full turns)
- Counter-clockwise rotation increases stroke
- Lock adjustment with included hex key (M5)
| Property | Property Value |
|---|---|
| sku | SEJ100X65-20S |
| 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 | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 100mm |
| Stroke | 65mm |
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.