AirTAC PSS Series Exhaust Throttle Type Universal Speed Controller PSS1204B
- Model: PSS1204B
- Type: Exhaust throttle adjustable speed control valve with 360° rotatable body
- Port size: 1/8" NPT (G1/8 optional)
- Operating pressure range: 0.05–0.9 MPa
- Maximum flow rate: 180 L/min (ANR)
- Body material: Aluminum alloy with hard anodized finish
- Seal material: NBR (Nitrile rubber)
- Temperature range: -5℃ to 80℃ (no freeze)
- Adjustment knob rotation: 220° (1.5 turns from full close to open)
- Weight: ~280g (including fittings)
- Dimensions: 55mm(L) × 30mm(W) × 30mm(H) (body only)
- Mounting orientation: Any direction (universal installation)
- Flow adjustment type: Fine-tuning with locking mechanism
- Pressure compensation: Built-in to maintain consistent flow under varying loads
The PSS1204B features a unique swivel design allowing 360° rotation for flexible piping layouts. Its exhaust throttle mechanism enables precise control of actuator deceleration, minimizing shock in pneumatic systems. The double-sealed structure prevents leakage during rotation, while the knurled knob provides secure grip even with oily hands.
- Precision speed control of pneumatic cylinders in pick-and-place systems
- Shock absorption for vertical lifting mechanisms
- Packaging machine conveyor synchronization
- Textile machinery tension control systems
- Automated door closure rate adjustment
- Medical equipment actuator positioning
- Loosen the lock nut (clockwise rotation)
- Turn adjustment knob: clockwise to decrease speed, counter-clockwise to increase
- Test cycle rate with actual load
- Retighten lock nut while holding knob position
| Property | Property Value |
|---|---|
| sku | PSS1204B |
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.



