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 PTL1203A-S Exhaust Throttle Flow Control Valve Specifications
- Model: PTL1203A-S
- Type: Exhaust throttle flow control (one-way restrictor)
- Port size: PT1/4 (G1/4 optional)
- Operating pressure range: 0.05–1.0 MPa
- Max flow rate: 650 L/min (ANR)
- Effective section area: 15 mm²
- Body material: Nickel-plated brass
- Knob material: PPS resin
- Temperature range: -5℃ to 60℃ (no freeze)
- Weight: 185g ±5g
- Dimensions: 56mm(L) × 34mm(W) × 34mm(H)
- Thread engagement depth: 10mm minimum
- Protection rating: IP40
Precision exhaust-side speed controller with locking knob design, featuring dual-scale flow adjustment (0-5 and 5-0 graduations). The check valve bypass allows free reverse flow, while the tapered needle valve ensures stable low-speed control down to 50 mm/s. Requires 5μm filtered lubricated air (ISO 8573-1 class 5).
- Cylinder speed stabilization in vertical lifting systems
- Precision positioning of pneumatic actuators
- Packaging line end-effector damping control
- Assembly machinery with variable load conditions
- Pneumatic conveyor braking systems
| Property | Property Value |
|---|---|
| sku | PTL1203A-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.



