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 PTL Exhaust Throttle Speed Control Valve PTL603A Specifications
- Model: PTL603A
- Type: Exhaust throttle flow control (one-way restrictor)
- Port size: PT1/4 (G1/4 optional)
- Operating pressure: 0.05–0.9 MPa
- Max flow rate: 600 L/min (ANR)
- Flow adjustment range: 0.05–6 L/min (needle valve rotation 0-270°)
- Body material: Aluminum alloy (anodized)
- Seal material: HNBR (hydrogenated nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 235g ±5g
- Dimensions: 62mm(L) × 34mm(W) × 32mm(H)
- Mounting type: Sub-base or direct piping
- Viscosity range: ≤ ISO VG32
- Repeat accuracy: ±10% of max flow
- Pressure drop: ≤0.02 MPa at max flow
Precision exhaust-side speed controller with lockable adjustment knob, featuring reverse flow check valve functionality. The tapered needle design enables micro-flow adjustment for smooth cylinder deceleration. Optimized for low-pressure loss applications requiring consistent speed control under variable loads.
- Pneumatic cylinder cushioning in injection molding machines
- Conveyor belt tensioning systems
- Automated packaging line stopper cylinders
- Robotic arm end-effector positioning
- Press machine return stroke control
- Loosen lock nut (2.5mm hex key required)
- Turn knob clockwise to decrease exhaust flow (slower movement)
- Counter-clockwise for faster cylinder return
- Retighten lock nut after setting
| Property | Property Value |
|---|---|
| sku | PTL603A |
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.



