Airtac SEJ Adjustable Cylinder SEJ125X200-20S
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 SEJ125X200-20S Adjustable Cylinder Specifications
- Model: SEJ125X200-20S
- Series: SEJ Heavy-Duty Adjustable Stroke
- Bore size: 125mm
- Stroke: 200mm (adjustable through 20S mechanism)
- Mounting type: Front flange (MF1) with rear trunnion (optional)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable air cushion (dual-side)
- Stroke adjustment: ±10% via external locking nuts
- Port size: G1/2 (NPT1/2 optional)
- Piston rod material: Hard chrome-plated carbon steel
- Seal material: High-temp NBR (-20℃ to 120℃)
- Weight: 16.8kg (without accessories)
- Dimensions: 400mm(L) × 150mm(W) × 150mm(H)
- Max thrust: 1,570N @ 0.63MPa
- Speed range: 50–800mm/s
- Protection rating: IP54 (standard wiper design)
Industrial-grade adjustable stroke cylinder with precision stroke control mechanism. Features dual-cushion adjustment knobs for smooth deceleration and impact reduction. The chrome-plated rod incorporates a multi-layered wiper system for dust/dirt exclusion. Compatible with auto-switch sensors (mounting slots pre-machined).
- Press machine stroke control systems
- Die casting ejection mechanisms
- Heavy material handling gates
- Automotive welding fixture positioning
- Packaging line pressure regulators
Installation tip:
Always perform stroke adjustment under depressurized condition.
Lubricate rod with ISO VG32 hydraulic oil before initial operation.
Allow 50mm clearance at both ends for cushion adjustment access.
| Property | Property Value |
|---|---|
| sku | SEJ125X200-20S |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <200mm> |
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.