Airtac SEJ Adjustable Cylinder SEJ125X200-75S
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 SEJ125X200-75S Adjustable Cylinder Specifications
- Model: SEJ125X200-75S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 125mm
- Stroke: 200mm (adjustable via mechanical stopper)
- Max operating pressure: 0.02-1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (BSPP thread)
- Piston rod diameter: 35mm
- Ambient temperature range: -20℃ to 80℃
- Mounting style: Basic type (MF1 flange optional)
- Material: Aluminum alloy barrel, hardened chromium-plated rod
- Seal material: NBR (nitrile rubber)
- Weight: 7.8kg ±2%
- Dimensions (L×W×H): 400mm × 156mm × 156mm (extended length)
- ISO standard: 15552 compliant
- Max piston speed: 0.5-1.5 m/s
High-precision adjustable stroke cylinder with mechanical stroke adjustment mechanism, featuring dual adjustable air cushions for smooth deceleration. The hardened piston rod and multi-lip seals ensure durability in high-cycle applications. Includes mounting brackets for horizontal/vertical installations.
- Precision press-fit operations in automotive assembly
- Variable height positioning in packaging machinery
- Material clamping with adjustable force in CNC fixtures
- Automated warehouse stacker position control
- Plastic injection molding ejector systems
Installation note:
Lubricate rod with ISO VG32 hydraulic oil before initial use. Adjust cushioning screws
gradually (1/4 turns) while monitoring speed. Maintain 20mm minimum clearance behind
cylinder for stroke adjustment access.
- Do NOT exceed 1.0 MPa pressure without load testing
- Max lateral load: 450N at full extension
- Stopper adjustment range: 0-75% of nominal stroke (0-150mm)
- Repeat positioning accuracy: ±0.3mm
| Property | Property Value |
|---|---|
| sku | SEJ125X200-75S |
| 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 | <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.