| Key Clamp Type 149 Straight Coupling |
|---|
| Size | Tube | Dimensions (mm) | Weight |
|---|
| Ref | O.D (mm) | a | Kg/Pc |
|---|
| A | 26.9 | 76 | 0.25 |
| B | 33.7 | 90 | 0.38 |
| C | 42.4 | 100 | 0.54 |
| D | 48.3 | 100 | 0.64 |
Key Clamp | Type 149 | External Sleeve Coupling
The Key Clamp | Type 149 | External Sleeve Coupling offers exceptional structural integrity and ease of use. Also known simply as the External Sleeve Coupling or Type 149, this galvanised fitting is engineered to provide robust connections for a multitude of tubular structures. Whether you are constructing safety barriers, handrails, or custom shelving, this fitting ensures a dependable and long-lasting build.
Commonly Known As
Within the industry, the Type 149 is frequently known as a structural tube clamp, pipe clamp connector, scaffolding joint, or a Kee Klamp equivalent.
Compatible Products
The Type 149 is designed to be used seamlessly with galvanised steel tubing (BS EN 10255). It is frequently paired with other Key Clamp fittings, plastic end caps, and base plates to complete your structural framework. Remember to secure your structure with the appropriate hex or Allen keys, all available from our catalogue.
Advantages of the Key Clamp | Type 149 | External Sleeve Coupling
- No Welding Required: Eliminates the need for hot work permits and specialised labour.
- Corrosion Resistance: A hot-dipped galvanised finish ensures excellent durability even in harsh outdoor environments.
- Flexibility: Easy to adjust, dismantle, and reuse for temporary or permanent structures.
- Cost-Effective: Reduces installation time and labour costs significantly compared to traditional methods.
Where is it Used?
Our customers frequently utilise the Type 149 in numerous settings:
- Pedestrian barriers and wheelchair ramps
- Exhibition stands and lighting grids
- Custom furniture frames and industrial shelving
- Mezzanine floor edge protection
Technical Specifications
| Material | Malleable Iron (BS EN 1562) |
| Finish | Hot Dipped Galvanised (BS EN ISO 1461) |
| Fixing Method | Grub Screw (Hex Key) |
| Brand | Key Clamp |
| Product Type | Type 149 / External Sleeve Coupling |
Frequently Asked Questions
Do I need special tools to install the External Sleeve Coupling?
No, one of the greatest benefits of the Key Clamp system is that it only requires a standard Allen key (hex key) to tighten the grub screws. No welding or threading equipment is necessary.
Is this product suitable for outdoor use?
Absolutely. The Type 149 is hot-dipped galvanised, providing a robust, rust-resistant finish that withstands the elements exceptionally well.
Can I reuse the External Sleeve Coupling if I need to change my structure?
Yes, simply loosen the grub screw to adjust or completely disassemble the fitting. This makes it perfect for both temporary and permanent installations.
Ready to Build?
Don't compromise on quality or safety. Order your Key Clamp | Type 149 | External Sleeve Coupling from ParkerTools today and experience the superior reliability of our structural fittings. Add to your basket now for fast dispatch and competitive pricing!
Technical Data
Manual: BS EN 1562:1997 black heart malleable iron, BS EN 1536 ductile ironThread: BS2779:1986 1/8, 1/4, 3/8Grub Screw: DIN 916Surface Treatment: BS EN 1461:1999 hot dip galvanizing. IRAM 1451-3:1995 epoxy coatingTube standard: BS EN 10255 (formerly BS1387)
