Airtac BKC Bulkhead Lock Nut Union BKC0425-M5-S
AirTAC BKC0425-M5-S Swivel Nut Straight Connector Specifications
- Model: BKC0425-M5-S
- Type: Reusable swivel nut straight connector
- Body material: Brass with nickel plating (anti-corrosion grade)
- Thread specification: M5×0.8 external thread (ISO 1179 standard)
- Tube OD compatibility: 4mm (flexible installation tolerance: ±0.2mm)
- Max working pressure: 1.5 MPa (15 bar)
- Temperature range: -20℃ to 80℃ (continuous operation)
- Seal material: Oil-resistant NBR rubber (70±5 Shore A hardness)
- Weight: 12g ±0.5g (including packaging)
- Dimensions: 25mm(L) × 8mm(W) × 8mm(H) (nut fully tightened)
- Thread engagement depth: 3.5mm (minimum recommended)
- Torque specification: 0.3-0.5 N·m (hand-tightening recommended)
Precision-engineered pneumatic connector featuring a 360° rotatable nut for stress-free tube alignment in compact installations. The electroplated brass construction ensures corrosion resistance in humid environments, while the dual-seal design (radial + axial compression) prevents air leakage under vibration-intensive conditions.
- Modular pneumatic circuit assembly in CNC machines
- Sensor air supply lines in semiconductor manufacturing
- Medical device pneumatic control systems
- High-cycle automation equipment requiring frequent maintenance
- Robotic end-effector tooling connections
Installation protocol:
Use two wrenches during assembly - hold body stationary with 8mm wrench while tightening nut with 10mm wrench.
Perform pressure test at 1.8MPa after installation. Re-torque after 50 operating hours.
| Property | Property Value |
|---|---|
| sku | BKC0425-M5-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.