Airtac ACA Standard Automatic Compensation Hydraulic Shock Absorber ACA2550-2N
2. Monolithic structure withstands extreme pressure; Fully threaded external housing facilitates installation and adjustment while maintaining superior heat dissipation.
3. High-hardness stainless steel spindle enhances impact resistance and corrosion resistance, ensuring reliable operation in harsh operating conditions.
4. Specialized oil-injection technology ensures consistent damping performance and operational stability.
5. Compact profile design with industry-leading energy absorption capacity.
6. Proprietary lubricant as damping medium delivers stable buffering performance across wide temperature ranges (-20°C to +80°C).
Category: Hydraulic Shock Absorbers | Brand: AirTAC | Series: ACA Self-Compensating
AirTAC ACA2550-2N Standard Auto-Compensating Hydraulic Shock Absorber Specifications
- Model: ACA2550-2N
- Type: Auto-compensating oil hydraulic buffer
- Max. absorption energy: 27.4 Nm/cycle
- Max. impact velocity: 3.0 m/s
- Stroke: 50 mm
- Shaft diameter: Ø25 mm
- Installation type: Horizontal/vertical (axial load)
- Operating temperature: -10℃ to +80℃
- Housing material: High-strength steel with anti-corrosion coating
- Seal material: Nitrile rubber (NBR) + polyurethane (PU)
- Weight: 1.65 kg ±2%
- Dimensions: 150mm(L) × 40mm(W) × 40mm(H) (body only)
- Mounting flange dimensions: 65mm × 65mm × 12mm
- Oil capacity: 130±5 ml (ISO VG32 hydraulic oil)
- Recovery time after full compression: ≤1.5 sec
Self-compensating hydraulic damper designed for heavy-duty industrial applications. Features automatic oil level adjustment through patented valve system, eliminating manual maintenance. The double-sealed structure prevents oil leakage even under 2 million impact cycles. Bronze bushings ensure smooth shaft movement with ≤0.05mm radial play.
- Automated assembly line pallet stoppers
- Press machine ram deceleration
- Robotic arm end-effector vibration control
- CNC tool changer impact absorption
- Elevator car overspeed protection
Installation protocol:
Maintain 0.5-1mm clearance between buffer tip and impact surface during alignment.
Perform 5-10 test strokes before full operation. Re-torque mounting bolts (14 Nm) after
48 hours of initial use. Compatible with ISO VG22-68 hydraulic oils.
| Property | Property Value |
|---|---|
| sku | ACA2550-2N |
| External Thread | M25 |
| Stroke | <50mm> |
| Speed Code | Medium Speed (Medium Load) |
| Bumper Cap Code | Without Bumper Cap |
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.