
2. SG series adopts dual Y-type unidirectional piston seals with self-compensating design, delivering extended service life and low starting pressure. SGC series features space-saving asymmetric bidirectional seals with oil reservoir functionality;
3. SG series utilizes steel cylinder construction with exceptional impact resistance;
4. SGC series employs aluminum cylinder tubes compatible with optional magnetic piston position sensing (not available for SG series);
5. Precision adjustable pneumatic cushioning mechanism ensures smooth deceleration;
6. Comprehensive range of bore sizes and mounting accessories for flexible system integration;
7. High-temperature resistant seals enable reliable operation from 0°C to 150°C.
Category: Standard Cylinders | Brand: AirTAC | Series: SGJ Adjustable Steel Cylinder Series
AirTAC SGJ Series Steel Tube Adjustable Cylinder SGJ125X800-30 Technical Specifications
- Model: SGJ125X800-30
- Type: Adjustable stroke steel pipe cylinder (double acting)
- Bore size: Ø125mm (ISO 6432 standard)
- Stroke: 800mm (±0.5mm tolerance)
- Adjustment range: 0-30mm (external stroke adjustment)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/2 (BSPP thread)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Cold drawn precision steel pipe
- End cover material: Aluminum alloy die casting
- Operating temperature: -20℃ to 80℃
- Weight: 28.6 kg (dry, without accessories)
- Dimensions: 900mm(L) × 180mm(W) × 180mm(H) (full extension)
- Rod thread: M30×1.5 (external thread)
- Mounting options: MF1 (front flange) / MB1 (rear flange) / MSC (center trunnion)
- Lubrication: Pre-lubricated (recommended relubrication every 3,000km stroke)
Heavy-duty adjustable stroke cylinder featuring cold drawn steel construction for enhanced durability in harsh environments. The 30mm external stroke adjustment mechanism allows precise positioning without disassembly. Optimized seal design (NBR+PU combination) ensures 5000km service life under standard conditions. Includes anti-rotation guide for improved lateral load capacity.
- Press machine ram positioning systems
- Automotive welding fixture clamping
- Injection molding machine ejector mechanisms
- Sheet metal bending equipment
- Lumber processing pusher assemblies
 Installation guidance: 
            Maintain ≤0.15mm/m alignment tolerance during mounting. Use flexible couplings when connecting to guided mechanisms. 
            Maximum side load capacity: 850N at mid-stroke. For vertical installations, always install rod-down to prevent seal damage.
 Installation guidance: 
            Maintain ≤0.15mm/m alignment tolerance during mounting. Use flexible couplings when connecting to guided mechanisms. 
            Maximum side load capacity: 850N at mid-stroke. For vertical installations, always install rod-down to prevent seal damage.
         Critical note: 
            Requires 40μm filtered air with ISO VG32 hydraulic oil mist lubrication (1 drop/m³). 
            Prohibited for use in explosive atmospheres or continuous impact applications exceeding 2Hz.
 Critical note: 
            Requires 40μm filtered air with ISO VG32 hydraulic oil mist lubrication (1 drop/m³). 
            Prohibited for use in explosive atmospheres or continuous impact applications exceeding 2Hz.
        | Property | Property Value | 
|---|---|
| sku | SGJ125X800-30 | 
| Adjustable Stroke | 30mm | 
| 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 | 
| Cushion Stroke | <40mm> | 
| Bore Diameter | 125mm | 
| Stroke | 800mm | 
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.
 
              