Airtac BKC Bulkhead Lock Nut Union BKC1208-03
AirTAC BKC1208-03 Lock Nut Straight Connector Specifications
- Model: BKC1208-03
- Type: Threaded lock nut straight union
- Thread standard: Metric (M5×0.8 female thread)
- Tube OD compatibility: 8mm (1/4")
- Material: Nickel-plated brass body + PPS resin lock nut
- Max working pressure: 1.5 MPa (217 psi)
- Temperature range: -20℃ to 80℃ (continuous use)
- Peak temperature resistance: 100℃ (intermittent)
- Seal material: HNBR (Hydrogenated Nitrile)
- Vibration resistance: ≤10Hz/1.5mm amplitude
- Weight: 22g ±0.5g
- Dimensions: 34mm(L) × 16mm(W) × 16mm(H)
- Surface roughness: Ra0.8μm (sealing areas)
- Certifications: RoHS compliant, ISO 14743 fluid systems standard
High-vibration resistant straight connector with dual-stage sealing (radial O-ring + axial face seal). The rotating lock nut design enables single-handed tube installation while preventing hose twist. Nickel plating provides corrosion resistance against mild acids and humid environments.
- Robotic arm pneumatic tool changers
- CNC machine coolant line connections
- Food processing equipment air supply lines
- Semiconductor fab vacuum line joints
- Mobile hydraulic test bench setups
Installation protocol:
Insert tube until it bottoms out, then tighten lock nut finger-tight plus 1/4 turn with wrench.
Max torque 1.2N·m. Compatible with PU, nylon, and hybrid multilayer tubing.
Not recommended for fluoropolymer tubes.
| Property | Property Value |
|---|---|
| sku | BKC1208-03 |
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.