Airtac ACA Standard Automatic Compensation Hydraulic Shock Absorber ACA2550-2
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 ACA2550-2 Standard Auto-Compensating Hydraulic Shock Absorber Specifications
- Model: ACA2550-2
- Type: Multi-stage adjustable oil hydraulic damper
- Energy capacity: 45 Nm/cycle (max)
- Max impact velocity: 3.0 m/s
- Stroke length: 50 mm
- Shaft diameter: Φ25 mm
- Mounting style: Double clevis with M12x1.75 threads
- Housing material: Hard-anodized aluminum alloy
- Seal type: HNBR compound with wear indicator
- Operating temperature: -10℃ to 80℃
- Viscosity range: ISO VG15-68 hydraulic oil
- Adjustment stages: 22 precise torque settings
- Rebound control: Automatic compensation (±5% consistency)
- Weight: 2.8 kg (with standard oil fill)
- Dimensions: 155mm(L) × 68mm(W) × 68mm(H)
- IP rating: IP54 (splash/dust resistant)
Heavy-duty self-regulating damper featuring progressive damping force adjustment through tapered needle valve design. The integrated oil compensation chamber maintains consistent performance across 500,000+ cycles without manual adjustment. Corrosion-resistant surface treatment withstands metalworking fluids and washdown environments.
- Press brake tooling impact absorption
- Automated palletizer end-of-stroke deceleration
- Die casting machine ejection systems
- Robotic arm payload stabilization
- CNC tool changer shock mitigation
Installation protocol:
Mount vertically ±15° with impact direction aligned to shaft axis.
Pre-lubricate clevis pins with Molykote PG-65. Perform 20-30 test cycles
before full operation to distribute oil evenly.
| Property | Property Value |
|---|---|
| sku | ACA2550-2 |
| External Thread | M25 |
| Stroke | <50mm> |
| Speed Code | Medium Speed (Medium Load) |
| Bumper Cap Code | Plastic 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.