Airtac ACA Standard Automatic Compensation Hydraulic Shock Absorber ACA3325-3
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 ACA3325-3 Standard Auto-Compensating Hydraulic Shock Absorber Specifications
- Model: ACA3325-3
- Type: Auto-compensating hydraulic buffer (standard series)
- Maximum impact energy: 21.6 J
- Maximum impact velocity: 3.5 m/s
- Maximum permissible mass: 720 kg
- Stroke length: 25 mm
- Piston rod diameter: Φ18 mm
- Mounting hole spacing: 33×33 mm (M8 threaded holes)
- Operating temperature: -20℃ to +80℃
- Hydraulic oil type: ISO VG15-68 turbine oil
- Material: Steel housing with chrome-plated piston rod
- Weight: 1.25 kg ±2%
- Dimensions: 90mm(L) × 50mm(W) × 50mm(H)
- Rebound coefficient: ≤15%
- Cycle frequency: ≤120 cpm
- Protection class: IP65 (dust/water resistant)
Precision-engineered hydraulic damper with automatic viscosity compensation, maintaining consistent damping force across temperature variations. Features dual-stage sealing (PTFE + O-ring) for zero leakage and maintenance-free operation. The chrome-plated piston rod with hard-anodized surface treatment ensures corrosion resistance in harsh environments.
- High-speed press machine rams
- Automated packaging line actuators
- CNC tool changer mechanisms
- Robotic material handling systems
- Elevator car damping systems
- Injection molding machine ejectors
Installation guidelines:
Mount vertically with impact direction aligned to piston rod axis. Allow 20mm clearance
behind buffer for heat dissipation. Perform initial 50-100 test cycles before full load operation.
Re-lubricate every 500,000 cycles using ISO VG32 hydraulic oil.
| Property | Property Value |
|---|---|
| sku | ACA3325-3 |
| External Thread | M33 |
| Stroke | <25 mm> |
| Speed Code | Low Speed (Heavy 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.