Airtac SEJ Adjustable Cylinder SEJ63X75-40
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 SEJ Series Adjustable Cylinder SEJ63X75-40 Technical Details
- Model: SEJ63X75-40
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø63mm (±0.1mm tolerance)
- Stroke: 75mm (adjustable range 40-75mm)
- Mounting style: Adjustable clevis with locking nut
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable rubber buffers at both ends
- Port size: 1/4" NPT (G1/8 optional)
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (Cr-Mo)
- Seal type: NBR seals with wear-resistant rings
- Temperature range: -20℃ to +80℃
- Weight: 3.2kg (without accessories)
- Dimensions (L×W×H):
- Extended: 313mm (min) to 348mm (max)
- Retracted: 238mm
- Mounting hole spacing: 55mm vertical × 32mm horizontal
High-precision adjustable stroke cylinder with micrometer-style stroke adjustment mechanism (±0.5mm repeatability). Features corrosion-resistant construction with IP54 protection rating, engineered for repetitive positioning tasks requiring variable force output. Requires ISO 8573-1:2010 Class 3-4-3 compressed air.
- Variable pressure clamping in CNC fixtures
- Packaging line product ejection systems
- Automotive assembly tool positioning
- Printing press roller engagement control
- Plastic injection molding machine gates
Maintenance protocol:
Lubricate adjustment screw with ISO VG32 pneumatic oil monthly.
Maximum side load capacity: 120N (lateral), 250N (axial).
Avoid mounting in orientations where adjustment dial faces downward.
| Property | Property Value |
|---|---|
| sku | SEJ63X75-40 |
| Adjustable Stroke | <40mm> |
| 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 | PT3/8 |
| Magnet | Non-magnetic |
| Bore Diameter | 63mm |
| 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.