AirTAC PSA Series In-Line Speed Control Valve PSA4 Technical Details
- Model: PSA4
- Type: In-line adjustable one-way flow control valve
- Port configuration: 1/4" BSPP (G1/4) female threads
- Flow capacity: 0-800 L/min (air) with adjustable range limiter
- Operating pressure: 0.05-1.0 MPa
- Max working pressure: 1.5 MPa
- Body material: Anodized aluminum alloy (black finish)
- Seal material: NBR (Nitrile) standard, optional FKM
- Temperature range: -5℃ to 80℃ (NBR), -20℃ to 150℃ (FKM)
- Adjustment type: Manual rotary knob with 270° rotation
- Flow characteristics: Linear regulation with locking mechanism
- Weight: 250g ±5% (without fittings)
- Dimensions: 50mm(L) × 25mm(W) × 25mm(H) (body only)
- Port spacing: 18mm center-to-center (horizontal ports)
- Pressure drop: ≤0.02 MPa at max flow rate
- Repeatability: ±5% of maximum flow setting
The PSA4 precision flow control valve features bi-directional flow regulation with dust-resistant knob design. Its tapered needle valve structure ensures stable flow control even under pressure fluctuations. The dual-scale indicator (0-10 visual scale + percentage markings) allows precise repeatable adjustments. Includes anti-vibration locking nut and oxidation-resistant surface treatment.
- Pneumatic cylinder speed synchronization in assembly lines
- Air tool RPM regulation in automotive workshops
- Process gas flow control in pharmaceutical packaging
- Vacuum system bleed air adjustment
- Textile machinery tension control systems
- Food processing pneumatic actuator timing
| Property | Property Value |
|---|---|
| sku | PSA4 |
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.





