2. Release modes: Auto-release system and Manual override capability.
Category: Locking Pneumatic Cylinders , Brand: AIRTAC , Series: SCLF
AirTAC SCLF40X650S Front Lock Cylinder Specifications
- Model: SCLF40X650S
- Type: Double-acting cylinder with mechanical locking mechanism
- Bore size: 40mm
- Stroke: 650mm
- Operating pressure: 0.1–0.9 MPa
- Locking force: 1,570N (at 0.5MPa)
- Cushioning: Adjustable pneumatic cushion
- Port size: G1/8 (ISO standard)
- Piston rod thread: M20×1.5
- Seal material: NBR (Nitrile Butadiene Rubber)
- Temperature range: -20℃ to 80℃
- Weight: 6.8kg (dry, without accessories)
- Dimensions: 750mm(L) × 50mm(W) × 50mm(H)
- Protection rating: IP54 (standard wiper seal)
- Mounting type: Basic fixed (optional flange/bracket kits available)
High-precision locking cylinder featuring dual-position mechanical brake system with spring-engaged/pneumatic-released mechanism. The hardened stainless steel piston rod and precision honed tube ensure smooth operation with ≤0.2mm locking repeatability. Requires 5-7 bar clean compressed air with 25-50μm filtration.
- Vertical lifting mechanisms requiring position hold (e.g., elevator safety brakes)
- Automated welding fixture position locking
- Press machine mid-stroke pause operations
- Material handling emergency stop systems
- Robotic arm overload protection
| Property | Property Value |
|---|---|
| sku | SCLF40X650S |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 650mm |
| Lock Position | Front Cover with Lock |
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.



