2、Effectively regulates operational speed of pneumatic actuators and transmission of air pressure signals;
3、Features intuitive push-pull adjustment with superior control responsiveness;
4、Quick-adjust mechanism with precise flow control calibration;
5、Excellent flow characteristics with high sensitivity and fine-tuning capability;
6、Switchable exhaust throttle and intake throttle configurations compatible with various pneumatic actuators;
7、Nickel-plated brass surface enhances corrosion resistance and contamination prevention;
8、Integrated PT seal ring in threaded ports ensures leak-proof connection integrity.
AirTAC PTL804A-S Exhaust Throttle Speed Control Valve Specifications
- Model: PTL804A-S
- Type: Exhaust throttle flow control (unidirectional regulation)
- Port size: PT1/4 (G1/4 equivalent)
- Operating pressure: 0.05–1.0 MPa
- Max working pressure: 1.5 MPa
- Flow adjustment range: 30–1200 L/min (ANR)
- Body material: Nickel-plated brass
- Seal material: HNBR rubber (-20℃ to 80℃)
- Temperature range: -20℃ to 80℃ (non-freezing)
- Mounting type: Sub-base or direct piping
- Lock mechanism: Hex wrench adjustment with anti-vibration design
- Weight: 280g ±5% (including packaging)
- Dimensions: 54mm(L) × 35mm(W) × 42mm(H)
- Flow coefficient (Cv): 1.2
- Response time: <50ms (at 0.5MPa)
- Viscosity range: ≤50 cSt
Precision exhaust-side flow controller with tamper-resistant adjustment, featuring dual-scale flow indicators (visual and tactile). The sintered bronze filter element provides 40μm filtration. Optimized for asymmetric speed control in pneumatic cylinders, with anti-backlash knob that maintains set values under vibration.
- Pneumatic cylinder speed stabilization in automated assembly lines
- Packaging machine ejector timing control
- Textile machinery tension adjustment systems
- Semiconductor handling equipment precision motion
- Elevator door speed synchronization mechanisms
| Property | Property Value |
|---|---|
| sku | PTL804A-S |
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.



