Airtac SEJ Adjustable Cylinder SEJ125X50-20SN
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 SEJ125X50-20SN Adjustable Stroke Cylinder Specifications
- Model: SEJ125X50-20SN
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 50mm (adjustable)
- Mounting style: SN-type (double pivot fixed)
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion
- Port size: G1/2 (ISO228/1 standard)
- Piston rod thread: M20×1.5
- Material: Aluminum alloy barrel, stainless steel rod
- Weight: 5.8kg ±2%
- Dimensions: 300mm(L) × 125mm(W) × 125mm(H)
- Rod end type: Female thread with locknut
- Seal material: NBR (nitrile rubber)
- Protection rating: IP54 (standard)
Heavy-duty adjustable stroke cylinder featuring a unique mechanical lock mechanism for precise stroke adjustment (±1mm accuracy). The dual-pivot mounting design enables stable load handling with angular compensation. Includes wear-resistant chromium-plated rod and anti-rotation guide structure for high moment resistance. Requires ISO VG32 hydraulic oil lubrication for optimal performance.
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Installation note:
Always install with 0.5-1mm axial clearance between rod end and load.
Use M20×1.5 jam nut with 40-50N·m torque. Lubricate through rod-end grease nipple weekly.
- Loosen both locknuts (17mm wrench size)
- Rotate adjustment screw (clockwise to reduce stroke)
- Verify position with integrated scale markings
- Re-tighten locknuts to 25N·m torque
| Property | Property Value |
|---|---|
| sku | SEJ125X50-20SN |
| Adjustable Stroke | <20mm> |
| Seal Material | NBR |
| 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 | <50mm> |
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.