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 PTL1203B Exhaust Throttle Speed Control Valve Specifications
- Model: PTL1203B
- Type: One-way exhaust throttle with check valve
- Port size: PT1/4 (G1/8 optional)
- Operating pressure range: 0.05–0.9 MPa
- Max flow rate: 300 L/min (ANR)
- Effective section area: 18 mm²
- Adjustment range: 0.5–5 full rotations (graduated dial)
- Body material: Aluminum alloy (anodized finish)
- Seal material: Nitrile rubber (NBR)
- Temperature range: -20℃ to 80℃
- Weight: 220±5g
- Dimensions: 70mm(L) × 30mm(W) × 30mm(H)
- Thread engagement depth: 12mm (minimum)
- Pressure drop: ≤0.02 MPa at max flow
- Repeat accuracy: ±10% of set value
Precision throttle valve with reverse free flow design, featuring a lockable adjustment knob with torque ≤0.5N·m. The T-shaped handle provides tactile feedback during adjustment, while the embedded O-ring prevents unintended rotation. Optimized for bidirectional flow control with asymmetric characteristics (exhaust side restriction only).
- Cylinder speed regulation in automated assembly lines
- Pneumatic actuator soft-stop control systems
- Packaging machinery ejection timing adjustment
- Medical bed hydraulic-pneumatic hybrid systems
- Textile machinery tension control mechanisms
| Property | Property Value |
|---|---|
| sku | PTL1203B |
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.



