
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 Pipe Adjustable Cylinder SGJ125X200-30 Technical Details
- Full model designation: SGJ125X200-30
- Cylinder type: Double-acting adjustable stroke cylinder
- Bore size: Ø125mm (±0.5mm tolerance)
- Maximum stroke: 200mm (adjustable range 50-200mm)
- Operating pressure: 0.05–0.8 MPa (5-8 bar)
- Cushioning type: External adjustable rubber bumper
- Mounting style: FS-type foot mounting (optional flange/clevis)
- Port size: G1/2 (BSPP thread) dual ports
- Temperature range: -20℃ to +80℃ (dry air required below 0℃)
- Cylinder tube material: Precision honed steel pipe with hard chrome plating
- End cover material: Aluminum alloy ADC12
- Seal material: Nitrile rubber (NBR) standard (optional polyurethane)
- Piston rod material: Chrome-plated carbon steel S45C
- Weight: 5.8kg (excluding mounting accessories)
- Dimensions: 
            - Total length: 420mm (at full extension)
- Body diameter: Ø142mm (including mounting flanges)
- Mounting base: 160mm × 125mm (W×H)
- Rod end thread: M20×1.5 (external)
 
Industrial-grade adjustable stroke cylinder featuring heavy-duty construction with corrosion-resistant chrome plating. The through-rod design allows external stroke adjustment via mechanical stops. Includes wear-resistant guide bushings and dual cushioning adjustment screws (front/rear) for precise motion control. Requires ISO 8573-1:2010 class 3-4-3 compressed air.
- Press machine ejection systems
- Automotive welding fixture positioning
- Packaging line product height adjustment
- Foundry equipment mold clamping
- Plastic injection molding machine gates
 Maintenance advisory: 
            Lubricate with ISO VG32 turbine oil (1-2 drops per port weekly). 
            For vertical installations, use rod-end support brackets (sold separately). 
            Maximum side load capacity: 150N at mid-stroke.
 Maintenance advisory: 
            Lubricate with ISO VG32 turbine oil (1-2 drops per port weekly). 
            For vertical installations, use rod-end support brackets (sold separately). 
            Maximum side load capacity: 150N at mid-stroke.
        | Property | Property Value | 
|---|---|
| sku | SGJ125X200-30 | 
| 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 | <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.
 
              