Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 650mm 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.
- BoreØ160 mm
- Stroke650 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-30
The AirTAC SAIJ160X650-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a 14074N push force at 0.7 MPa. It features a SUS304 stainless steel rod and a PT tapered port. By turning the rear screw, you achieve a 620 to 650mm usable travel window, perfect for fine-tuning the retract end position during commissioning.
This bore size operates at 30 to 500mm/s and includes variable air cushions at both ends to manage kinetic energy. The adjuster acts purely as a travel stop and does not hold the load without live air. For position holding, an external pilot-operated check valve or a related SAIL lock cylinder is required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 650 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×650 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX650-30 Is Used
Heavy Press Tuning
Dial in the exact 620 to 650mm end position during heavy press setup to accommodate material thickness variations without changing hardware.
Large Tooling Changeover
Adjust the retract stop by up to 30mm quickly when switching out large machining fixtures on an automated line.
Long-Stroke Positioning
Move heavy jigs along a 650mm path while using the rear screw to fine-tune the resting position for precise alignment.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-30 the Right Cylinder?
Choose this 160mm bore when a 100mm bore yields insufficient force (5497N push at 0.7 MPa) and you need heavy thrust without stepping up to a 200mm unit. The adjustable 30mm window is ideal for product changeovers on large machines, preventing the need to physically swap cylinders or bolt on external stop blocks. When replacing an ISO 15552 cylinder, match the 650mm stroke, 30mm adjustment, PT G3/4 port, and Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting set.
Because the 650mm stroke is long and unsupported, the 40mm SUS304 rod will still experience deflection under high side loads. Always guide the load externally to prevent binding. Note that the rear stopper only sets the end position; it cannot brake or hold the load pneumatically.
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 SAIJ160 Adjustable Cylinder SAIJ160BX650-30 FAQ
At 0.7 MPa operating pressure, this 160mm bore cylinder provides 14074N of push force and 9425N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective travel from the nominal 650mm down to 620mm. This creates a 620 to 650mm usable window for setting exact end positions without adding external stops.
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