Airtac SEJ Adjustable Cylinder SEJ50X185-20
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 SEJ50X185-20 Technical Specifications
- Model: SEJ50X185-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50mm
- Stroke: 185mm (adjustable within 0-185mm)
- Operating pressure: 0.05-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable elastic cushion (both ends)
- Mounting style: MA (front flange) / MB (rear flange) options
- Port size: G1/8 (standard) or NPT1/4 optional
- Rod material: Chrome-plated carbon steel (C45E)
- Tube material: Aluminum alloy (hard anodized)
- Seal material: NBR/PU (standard), FKM available for high temp
- Weight: 3.8kg ±2% (with standard accessories)
- Dimensions: 280mm(L) × 50mm(W) × 50mm(H) (retracted state)
- Max piston speed: 500-700mm/s (dependent on load)
- Repeat positioning accuracy: ±0.2mm
- Protection rating: IP54 (standard), IP67 with optional wiper
Precision-engineered adjustable stroke cylinder featuring dual-position locking mechanism and graduated scale for visual stroke confirmation. The SEJ50X185-20 incorporates a hardened piston rod (Rockwell HRC 40-50) and wear-resistant guide bushings, optimized for high-cycle applications. Requires 5μm filtered air with lubrication (ISO VG32 recommended).
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Installation guidelines:
Align cylinder axis within ±0.5° of load path. For vertical mounting,
use anti-vibration locknuts (ATC-PART# VLN50). Adjust cushion screws
clockwise to increase damping - make 1/4 turn adjustments during
test runs. Maintain 30mm clearance behind end covers for maintenance.
| Property | Property Value |
|---|---|
| sku | SEJ50X185-20 |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | Non-magnetic |
| Bore Diameter | <50mm> |
| Stroke | 185mm |
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.