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 Adjustable Cylinder SEJ32X250-30 Technical Specifications
- Model Code: SEJ32X250-30
- Bore Size: 32mm (±0.1mm tolerance)
- Stroke: 250mm (adjustable stroke limiter)
- Operating Pressure: 0.1-0.9 MPa
- Temperature Range: -20℃ to 80℃
- Cushioning Type: Adjustable rubber buffers (both ends)
- Mounting Style: MF1/MP4 standard (optional flange/clevis kits)
- Port Size: 1/4" NPT (G1/8 optional)
- Piston Rod Thread: M16×1.5 (8.4mm rod diameter)
- Materials:
- Tube: Hard anodized aluminum alloy
- End Caps: Cast aluminum (ALDC12)
- Piston Rod: Chrome-plated carbon steel (HRC 45-50)
- Seals: NBR/Urethane hybrid (ISO 5597 compliant)
- Weight: 3.5kg ±5% (without accessories)
- Dimensions:
- Extended Length: 420mm (base to rod end)
- Retracted Length: 170mm
- Body Width: 70mm (mounting face to face)
- Height with Mount: 82mm
High-precision industrial cylinder featuring micrometer-style stroke adjustment (±0.5mm repeatability) through its rotating end cap mechanism. The double-acting design includes wear-compensating seals and corrosion-resistant coatings, optimized for 5 million cycles at rated load. Requires 40µm filtered air with ISO VG32 lubrication.
- CNC machine tool clamping systems
- Precision press-fit operations in electronics assembly
- Automated packaging line positioning gates
- Plastic injection molding ejector mechanisms
- Automotive brake component testing jigs

Property | Property Value |
---|---|
sku | SEJ32X250-30 |
Adjustable Stroke | 30mm |
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 | PT1/8 |
Magnet | Non-magnetic |
Bore Diameter | <32 mm> |
Stroke | <250MM> → <250mm> |
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.