Airtac BKC Bulkhead Lock Nut Union BKC0425-M3
AirTAC BKC0425-M3 Locknut Straight Connector Specifications
- Model: BKC0425-M3
- Type: Compression tube fitting with locknut design
- Thread specification: M3×0.5 external thread
- Tube compatibility: 4mm OD (outer diameter) pneumatic tubing
- Material: Nickel-plated brass body
- Seal material: NBR (Nitrile) O-ring
- Operating pressure: 0.5-8 MPa (72-1160 psi)
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Weight: 14.5±0.3g
- Dimensions: 25mm(L) × 12mm(W) × 12mm(H)
- Surface treatment: Electroless nickel plating (5-8μm thickness)
- Vibration resistance: ≤5G acceleration (10-2000Hz)
- Certification: RoHS compliant
High-density compression fitting featuring dual-seal structure with front-end O-ring and rear metal-to-metal contact. The hexagonal body allows tool-assisted tightening (recommended torque: 0.4-0.6N·m). Anti-vibration locknut prevents loosening under pulsation conditions. Compatible with air, water, and inert gases.
- Miniature pneumatic circuit connections in robotics
- Medical device gas delivery systems
- Precision instrument air supply lines
- 3D printer pneumatic extruder connections
- Laboratory analytical equipment tubing interfaces
Installation guide:
Insert tube fully until it bottoms out before tightening. Perform pressure test at 1.5× working pressure after assembly. Replace O-ring every 5,000 connection cycles or 2 years (whichever comes first).
| Property | Property Value |
|---|---|
| sku | BKC0425-M3 |
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.