Airtac BKC Bulkhead Lock Nut Union BKC0604-03-S
AirTAC BKC0604-03-S Locknut Straight Connector Specifications
- Model: BKC0604-03-S
- Type: Threaded locknut straight connector (female thread to tube)
- Body material: Brass (surface nickel-plated)
- Thread specification: M6×1.0 external thread (ISO 1179-2 standard)
- Tube compatibility: Ø4mm outer diameter pneumatic tubing
- Operating pressure: 0.05–1.5 MPa
- Temperature range: -20℃ to 80℃ (with NBR seals)
- Seal material: NBR (Nitrile rubber) standard
- Anti-rotation design: Hexagonal body with 8mm wrench flat
- Leakage rate: ≤0.1 NL/min under rated pressure
- Protection rating: IP40 (dust protected)
- Weight: 8.5g ±0.3g
- Dimensions: 16mm(L) × 12mm(W) × 12mm(H)
High-pressure resistant connector featuring dual-seal structure with primary O-ring and secondary metal-to-metal contact. The knurled locknut enables tool-free installation while maintaining vibration resistance. Internal flow path optimized for minimal pressure drop (ΔP < 0.02 MPa @ 1.0 MPa).
- Pneumatic cylinder port connections in robotic arms
- Modular assembly of SMC-compatible air preparation units
- Vacuum system tubing interfaces for CNC machines
- Compressed air distribution in food packaging lines
- Laboratory instrument gas chromatography setups
Installation guidance:
Hand-tighten until snug (≈1.5 N·m torque), then apply 1/4 turn with wrench.
Ensure tube is cut square and deburred before insertion. Maximum reconnection
cycles: 5 times recommended for leak-proof performance.
| Property | Property Value |
|---|---|
| sku | BKC0604-03-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.