Airtac BSED Clamping Double Acting Cylinder BSED50X175S
The AirTAC BSED Clamping Double Acting Cylinder BSED50X175S combines a double-rod ISO 15552 cylinder — a Ø20mm rod out BOTH ends for equal force both directions — with an integrated spring-applied, air-released ROD LOCK that holds up to 1400 N in either direction if air is lost. Ø50mm bore, 175mm stroke, PT1/4 ports, G1/8 lock-release.
- BoreØ50 mm
- Stroke175 mm
- Static holding force1400 N
- ConfigurationDouble rod + lock
- Cylinder portPT1/4
- Lock-release portG1/8
- 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 BSED Clamping Double Acting Cylinder BSED50X175S
The AirTAC BSED50X175S is a double-acting, double-rod ISO 15552 profile cylinder with an integrated spring-applied, air-released rod lock. A rod exits both ends, delivering equal force in both directions—about 825 N each way at 0.5 MPa. The fail-safe collet mechanism provides a 1400 N static holding force, clamping the rod securely whenever air pressure is lost.
This extruded aluminum body avoids external tie rods while maintaining a true ISO 15552 mounting interface. The integrated lock engages only after the rod stops and releases when piston sides are pressure-balanced (allow at least 0.5 s). The -S magnet supports CMSE reed and DMSE electronic sensors for precise position feedback.
Double Rod + 1400 N Rod Lock (Ø50mm)
A rod exits both ends for symmetric force and back-rod tooling, and a spring clamps the collet so the Airtac BSED Clamping Double Acting Cylinder BSED50X175S holds its position in both directions on air loss or E-stop. Apply 0.15–0.7 MPa to the G1/8 release port to unlock. Engage only after the rod has stopped (not a dynamic brake), and release only when both piston sides are pressure-balanced; allow ≥0.5 s for full release.
Airtac BSED Clamping Double Acting Cylinder BSED50X175S Technical Specifications
| Model | Airtac BSED Clamping Double Acting Cylinder BSED50X175S |
|---|---|
| Series | BSED ISO 15552 double-rod rod-lock cylinder |
| Bore size | Ø50 mm |
| Stroke | 175 mm |
| Static holding force | 1400 N |
| Cylinder port | PT1/4 |
| Lock-release port | G1/8 |
| Configuration | Double rod, double acting |
|---|---|
| Operating pressure | 0.15 – 0.7 MPa |
| Unlocking pressure | 0.15 – 0.7 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC BSED datasheet. Rod thread M16×1.5 both ends. Mounting (BSED): Basic, LB, FA, TC. Port options: PT (standard) / G (BSPP); lock-release port is G1/8.
Theoretical Output Force (Ø50mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 825 N |
| 0.7 MPa (max) | 1155 N |
| Max drive (@0.7 MPa) | 118 kgf |
A rod exits both ends, so force is equal on extend and retract. Drive force is separate from the 1400 N static lock holding force. Size with a safety margin.
Model Code: Airtac BSED Clamping Double Acting Cylinder BSED50X175S
| B | Rod-lock cylinder prefix. |
|---|---|
| SED | ISO 15552 double-rod double-acting body. |
| 50 | Bore size in mm. |
| ×175 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Thread: PT (blank) / G. Mounting (BSED): Basic, LB, FA, TC. Related: SED (double rod, no lock), BSE (single-rod rod lock). Sensors CMSE/DMSE fit magnetic BSED.
Where the Airtac BSED Clamping Double Acting Cylinder BSED50X175S Is Used
Vertical Lift Stations
Uses the 825 N both-way force to raise and lower tooling, engaging the 1400 N fail-safe lock to prevent drops during an E-stop or pressure loss.
Symmetric Transfer Arms
Leverages the equal double-rod drive to move parts uniformly in both directions, using the rear rod for an anti-rotation cam or mechanical flag.
Mid-Stroke Machining Stops
Positions a workpiece securely and applies the spring-applied collet to hold the 1400 N load rigidly without requiring continuous live air.
Is the Airtac BSED Clamping Double Acting Cylinder BSED50X175S the Right Cylinder?
Select this 50 mm bore when your application requires symmetric drive force alongside a reliable 1400 N static hold. If your load demands less force, the 40 mm bore offers 528 N at 0.5 MPa and 900 N holding; if you need more, step up to the 63 mm bore providing 1402 N at 0.5 MPa and 2200 N holding. Always verify your load is under the 1400 N holding limit and engage the lock only when the rod is stationary.
For replacement matching, confirm the 175 mm stroke, PT1/4 cylinder port, and your mounting choice (Basic, LB, FA, or TC). The G1/8 release port is standard. Since the stroke is under 300 mm, side-load stress is moderate, but always ensure proper guide alignment to prevent binding against the lock collet.
Quick checklist
- ✓ Need both symmetric force AND fail-safe hold?
- ✓ Load to hold ≤ 1400 N?
- ✓ Back-rod space for tooling/flag
- ✓ Lock engaged only when stopped
- ✓ G1/8 release-air line available
Installation & Safety Notes
- check Engage the lock only after the rod has stopped — not a dynamic brake.
- check Release only when both piston sides are pressure-balanced.
- check Allow ≥0.5 s for full release before commanding motion.
- check Feed the G1/8 release port with 0.15–0.7 MPa clean air.
- check Support both rod ends; avoid side load.
- check Use BSED mounting (Basic/LB/FA/TC).
Airtac BSED Clamping Double Acting Cylinder BSED50X175S FAQ
The drive force is equal both ways at 825 N @0.5 MPa and 1154 N @0.7 MPa, with a maximum drive of 118 kgf. The separate static holding force of the spring-applied rod lock is 1400 N.
If air is lost, the spring-applied collet instantly clamps the rod, providing up to 1400 N of static holding force. To release safely, ensure both piston sides are pressure-balanced and wait at least 0.5 seconds before resuming motion.
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