2. Features multiple body mounting configurations for simplified installation;
3. Gang-mounting capability enables multi-cylinder integration, optimizing space utilization in compact layouts;
4. Precision-guided piston rod design eliminates the need for external lubrication;
5. Integrated piston rod locking block ensures anti-rotation stability;
6. Extensive model selection across standardized specifications;
7. Optional high-temperature sealing materials support operation at 0~150℃ (optional feature).
Category: Multi-Position Fixed Cylinders | Brand: AIRTAC | Series: MK
AirTAC MK Multi-Position Lock Cylinder MK20X40S Specifications
- Model: MK20X40S
- Type: Multi-position mechanical lock cylinder (double-acting)
- Bore size: Ø20 mm
- Stroke: 40 mm ±0.5 mm
- Operating pressure: 0.1–0.9 MPa
- Port size: 1/4" NPT (G1/8 optional)
- Locking force: 350 N max @ 0.5 MPa
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Weight: 1.25 kg (without accessories)
- Dimensions: 150mm(L) × 62mm(W) × 62mm(H) (standard mount)
- Rod thread: M10×1.25
- Seal material: HNBR (high-temp nitrile)
- Repeat positioning accuracy: ±0.2 mm
- Lock positions: 3 fixed positions (adjustable via mechanical stops)
- Mounting style: Basic MF (front flange) with 4×M5 mounting holes
Industrial-grade positioning cylinder with integrated mechanical locking mechanism, featuring chrome-plated piston rod and anodized aluminum barrel. The three-stage position locking is achieved through spring-assisted detent pins that engage with precision-machined grooves. Includes built-in cushioning sleeves at both stroke ends for smooth deceleration.
- Rotary indexing table position locking
- Tooling plate height adjustment in CNC jigs
- Multi-stage press machine stroke control
- Automated welding positioners
- Packaging machine flap positioning
- Semiconductor handling arm stoppers
| Property | Property Value |
|---|---|
| sku | MK20X40S |
| 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 | M5×0.8 |
| Magnet | S-Magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <20mm> |
| Stroke | <40mm> |
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.





