Airtac SEJ Adjustable Cylinder SEJ50X120-40S
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 SEJ50X120-40S Adjustable Cylinder Specifications
- Model: SEJ50X120-40S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 50 mm
- Stroke: 120 mm (adjustable via external stopper)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -10℃ to 80℃
- Cushioning: Rubber buffer + adjustable external stopper
- Mounting style: Basic type (axial foot/rod flange optional)
- Rod end: Male thread M20×1.5
- Port size: G1/8
- Material: Aluminum alloy barrel, hardened chromium-plated rod
- Seal type: NBR seals (standard), optional Fluorocarbon for high temp
- Weight: 2.4 kg ±3% (without accessories)
- Dimensions (L×W×H):
- Retracted length: 202 mm
- Extended length: 322 mm
- Body width: 62 mm
- Mounting height: 50 mm
Precision-engineered adjustable stroke cylinder featuring dual-position locking mechanism for millimeter-level stroke adjustment. The hardened piston rod and multi-layered sealing system ensure 2,000km+ service life under ISO 6432 standards. Includes anti-rotation guide for stable linear motion in high-side-load applications.
- Die-cutting machine pressure adjustment systems
- Automated assembly line positioning fixtures
- Plastic injection molding ejector mechanisms
- Textile machinery tension control units
- Packaging equipment product height compensation
Installation tip:
For optimal performance, maintain 0.5-1mm clearance between stopper nuts during adjustment.
Lubricate with ISO VG32 hydraulic oil and perform stroke calibration every 500,000 cycles.
| Property | Property Value |
|---|---|
| sku | SEJ50X120-40S |
| 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 | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | 120mm |
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.