Airtac PU Straight Fitting PU4D
2. Available in multiple models and specifications to meet diverse requirements in pneumatic systems;
3. Superior flow capacity equivalent to the inner diameter of connected tubing;
4. Features quick-connect/disconnect design with secure, reliable, and durable tubing connections.
AirTAC PU4D Polyurethane Straight Through Connector Specifications
- Model: PU4D Series
- Type: Push-in Fitting for Polyurethane Tubing
- Thread Standard: Metric (M5×0.8) / NPT Optional
- Port Sizes: 4mm, 6mm, 8mm, 10mm, 12mm
- Material: Nickel-plated Brass Body
- Seal Material: NBR (Nitrile) O-ring
- Operating Pressure: 0.05-1.0 MPa
- Temperature Range: -20℃ to 60℃ (continuous use)
- Peak Temperature Resistance: 80℃ (intermittent)
- Weight: 8g (4mm) / 15g (8mm) / 22g (12mm) ±0.5g
- Dimensions (L×W×H):
- 4mm: 18×12×12mm
- 8mm: 24×16×16mm
- 12mm: 30×20×20mm
- Pull-out Force: ≥35N (4mm) / ≥80N (12mm)
- Vibration Resistance: 10-2000Hz, 10g acceleration
- Certification: RoHS compliant
Multi-size pneumatic connector with patented collet design ensuring zero-leak performance under dynamic pressure fluctuations. Features 360° rotatable fitting body for flexible piping arrangements. Compatible with OD tolerance ±0.1mm PU tubes, optimized for high-cycle industrial environments.
- Robotic arm pneumatic tool changers
- CNC machine tool coolant control systems
- Semiconductor wafer handling vacuum lines
- Food processing pneumatic actuators
- Automotive assembly line clamping devices
Installation Protocol:
Cut tubing square (max 0.5° angle deviation), insert until tactile click.
For 8mm+ sizes, apply silicone-free lubricant to tube end.
Max tightening torque: 1.2N·m (M5 thread).
| Property | Property Value |
|---|---|
| sku | PU4D |
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.