Airtac SEJ Adjustable Cylinder SEJ125BX100-75S
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 Adjustable Cylinder SEJ125BX100-75S Specifications
- Model: SEJ125BX100-75S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø125mm
- Stroke: 100mm (nominal) with ±75mm adjustable range
- Max effective stroke: 175mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable air cushion (front/rear)
- Mounting type: Basic (no built-in mounts)
- Port size: G1/2 (BSPP thread)
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: Approximately 7.5kg (dry)
- Dimensions: 300mm(L) × 140mm(W) × 140mm(H) (mid-stroke position)
- Rod end thread: M20×1.5
- Protection rating: IP54 (standard seals)
High-precision adjustable stroke cylinder featuring a unique mechanical stopper system with 150% overstroke capacity. The dual-scale position indicator (metric/imperial) enables visual stroke verification. Optimized for heavy-load applications with reinforced rod bearing and anti-rotation guide mechanism.
- Variable height positioning in automotive assembly jigs
- Material handling with adjustable clamping force
- Packaging machine product height compensation
- Die casting machine ejection systems
- Palletizing robot end-of-arm tooling
Adjustment procedure:
Loosen both lock nuts (M24×1.5) while pressurized at 0.3MPa,
adjust stroke using hex key (5mm) through access ports,
then re-tighten to 35N·m torque. Maximum adjustment speed: 200mm/s.
| Property | Property Value |
|---|---|
| sku | SEJ125BX100-75S |
| Adjustable Stroke | 75mm |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 100mm |
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.