Airtac ACA Standard Automatic Compensation Hydraulic Shock Absorber ACA2725-2
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 ACA2725-2 Standard Auto-Compensating Hydraulic Shock Absorber
- Model: ACA2725-2
- Type: Auto-compensating oil hydraulic buffer
- Buffer force capacity: 40-250 N
- Stroke length: 25 mm
- Max. energy absorption: 4.5 J/cycle
- Operating temperature: -10℃ to +80℃
- Housing material: Aluminum alloy with hard anodized finish
- Seal material: Nitrile rubber (NBR) + polyurethane (PU)
- Thread size: M25×1.5 mounting thread
- Weight: 0.68 kg ±2%
- Dimensions: 76mm(Ø) × 130mm(L)
- Oil type: ISO VG15-32 hydraulic oil
- Adjustment method: Automatic viscosity compensation
- Impact velocity: 0.3-3.0 m/s recommended
- Rebound coefficient: ≤15%
Precision-engineered hydraulic damper with automatic viscosity compensation system that maintains consistent damping performance across temperature variations. Features dual-stage buffering with pressure relief valve protection, ideal for high-cycle applications. Corrosion-resistant construction with integrated dust wiper ring.
- Industrial robot arm end-of-stroke damping
- CNC machine tool carriage deceleration
- Packaging machinery linear actuator systems
- Automated warehouse stacker cranes
- Elevator car counterweight buffers
Installation guidelines:
Mount vertically with impact direction aligned to central axis.
Perform initial 50-100 test cycles before full operation.
Relubricate every 500,000 cycles (use Mobil DTE Oil Heavy Medium).
| Property | Property Value |
|---|---|
| sku | ACA2725-2 |
| External Thread | M27 |
| Stroke | <25 mm> |
| 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.