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 PTL803B Exhaust Throttle Speed Control Valve Specifications
- Model: PTL803B
- Type: One-way exhaust throttle flow control
- Port size: PT1/8 (G1/8 optional)
- Operating pressure range: 0.05–0.9 MPa
- Max flow rate: 100 L/min (at 0.5 MPa)
- Temperature range (medium): -20℃ to 70℃
- Ambient temperature range: -5℃ to 60℃
- Body material: Aluminum alloy (anodized)
- Seal material: NBR/POM composite
- Weight: 235g ±5g
- Dimensions: 52mm(L) × 32mm(W) × 45mm(H)
- Thread engagement depth: 9mm (port side)
- Filter requirement: 40μm or finer
- Repeat accuracy: ±5% of set flow rate
- Protection rating: IP40 (dust protected)
Precision throttle valve with reverse flow check function, featuring a 270° adjustable knob with torque feedback. The chrome-plated needle valve provides smooth adjustment and corrosion resistance. Integrated dust cap prevents particulate ingress during adjustment. Requires lubricated air (ISO VG32 equivalent).
- Pneumatic cylinder speed regulation in SMC systems
- Exhaust flow control for gripper mechanisms
- Vacuum generator airflow adjustment
- Medical bed positioning systems
- Packaging machine actuator sequencing
| Property | Property Value |
|---|---|
| sku | PTL803B |
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.



