Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 165mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke165 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S
The AirTAC SAIJ200X165-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 145-165 mm, allowing you to dial back the 165 mm nominal stroke by up to 20 mm during commissioning. In the 200 mm bore class, it delivers a robust 15708 N of thrust at 0.5 MPa, making it suited for heavy-duty positioning tasks.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. The extruded aluminum barrel carries sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. It uses PT tapered G3/4 ports and offers a speed range of 30-500 mm/s.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 165 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×165 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S Is Used
Heavy Press Fitments
Dial in the 145-165 mm travel window to set precise bottoming force for large press operations without swapping cylinders.
Machine Changeover
Quickly adapt the rear stop for varying product sizes on a heavy-duty line, using the 20 mm adjustment to shift the end position.
Large Material Handling
Leverage the 15708 N push force and SUS304 rod to move heavy pallets or structural components through variable end-stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S the Right Cylinder?
Choose this 200 mm bore cylinder when an application demands high force (15708 N at 0.5 MPa) alongside precise end-position tuning without external stops. If you need less thrust, stepping down to the 160 mm bore yields 10053 N at 0.5 MPa. The adjustable rear screw is a travel stop that sets deceleration and end limits; it does not hold the load without live air. For true load-holding without pneumatic pressure, consider the SAIL or BSAI locking cylinders.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 165 mm stroke, 20 mm adjustment range, PT G3/4 port, and the -S magnet requirement. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is 165 mm, external guides are recommended to manage side loads on the 40 mm rod.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX165-20S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can reach up to 28274 N push at 0.9 MPa.
The rear adjuster screw acts as an external stop, allowing you to shorten the effective stroke from 165 mm down to 145 mm. This enables fine-tuning at commissioning without changing the cylinder's physical mounting.
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