Product features
- Straight union with two equal-size locknut-secured tube connections.
- Nickel-plated brass body with a locknut-secured tube connection.
- Tube selection uses both outside and inside diameter.
EOAT & Factory Automation ComponentsSelection · Sourcing · RFQ Support
Pneumatics
MBUC Straight Locknut Push-on Unions
MBUC straight locknut push-on unions join two tubes of the same listed size. Match both the outside and inside diameters and check the source dimensional reference.
Series
MBUC
Listed models
7
Connection
Locknut push-on
Selection
Tube OD, ID and connection
Model, PN and application context confirmed during inquiry.
Overview
Understand the MBUC product family
MBUC straight locknut push-on unions join two tubes of the same listed size. Match both the outside and inside diameters and check the source dimensional reference.
Selection approach
Match both tubes to the same listed outside diameter and compatible inside diameter, then check the union dimensions. Include tube OD×ID, working pressure, temperature and quantity in your RFQ. For 14 or 16 mm OD, specify the tube ID with the RFQ; it is not stated in the source guide.
All values shown below are traceable to the reviewed Catalog source. Missing information is not inferred.
Applications
Joining two same-size tubes in a straight pneumatic line.Pneumatic air-line connections within the selected tube and assembly limits.
Product Selection Tool
Compare MBUC Models
Match both tubes to the same listed outside diameter and compatible inside diameter, then check the union dimensions. Include tube OD×ID, working pressure, temperature and quantity in your RFQ. For 14 or 16 mm OD, specify the tube ID with the RFQ; it is not stated in the source guide.
| Model | PN | Tube OD (D) | Tube ID (blank suffix) | Status |
|---|---|---|---|---|
| MBUC04 | Confirm by material / quotation | 4 mm | 2.5 mm | Confirmed |
| MBUC06 | Confirm by material / quotation | 6 mm | 4 mm | Confirmed |
| MBUC08 | Confirm by material / quotation | 8 mm | 5 mm | Confirmed |
| MBUC10 | Confirm by material / quotation | 10 mm | 6.5 mm | Confirmed |
| MBUC12 | Confirm by material / quotation | 12 mm | 8 mm | Confirmed |
| MBUC14 | Confirm by material / quotation | 14 mm | Specify with RFQ (not listed) | Confirmed |
| MBUC16 | Confirm by material / quotation | 16 mm | Specify with RFQ (not listed) | Confirmed |
Continue to Engineering Reference to verify drawings, dimensions and technical notes before quotation.
Engineering Reference
Technical Data & Dimensions
Review the engineering sheets for the selected model. Confirm dimensions, connections and the applicable configuration before quotation.
Dimensions & Drawings
Model / PN Reference
Technical Notes
Applicability
Catalogue printed p66: MBUC - only the model codes shown in this reference
Catalogue printed p59: MBUC - only the model codes shown in this reference
Technical specifications
| Configuration | Straight union with two equal-size locknut-secured tube connections. |
|---|---|
| Connection system | Tube insertion with an externally tightened lock nut; select both tube OD and ID. |
| Body material | Nickel-plated brass (family structure drawing). |
| Fluid | Air. |
| Catalog operating pressure | 0.1-2.5 MPa (family specification); the selected tube and complete connection must be rated for the actual working conditions. |
| Catalog Max Pressure | Depends on the pressure resistance of the tube. No separate numeric burst-pressure value is stated. |
| Catalog operating temperature | -40 to +220 °C (family specification), not a temperature rating for every PU or nylon tube. Confirm the selected tube and supplied connection for the application. |
| Applicable tube | Polyurethane and nylon, subject to the selected tube's own pressure and temperature limits. |
| Tube ID selection | Blank suffix guide: 4×2.5, 6×4, 8×5, 10×6.5 and 12×8 mm (OD×ID). The guide does not state the ID for 14 or 16 mm OD; specify it with your RFQ. |
MBUC model tables and dimensional drawings
Source model selection, connection sizes and dimensional reference · Catalogue printed p66
High-resolution web preview · Catalogue printed p66
Locknut push-on family selection, structure and operating specification
Source model selection, connection sizes and dimensional reference · Catalogue printed p59
High-resolution web preview · Catalogue printed p59
Technical confirmation notes
- Match both tubes to the same listed outside diameter and compatible inside diameter, then check the union dimensions. Include tube OD×ID, working pressure, temperature and quantity in your RFQ. For 14 or 16 mm OD, specify the tube ID with the RFQ; it is not stated in the source guide.
- Use the exact catalog order code and required quantity in your RFQ.
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