Key Features
- Flex type design compensates for pipe misalignment and absorbs vibrations
- EPDM rubber sleeve compatible with seawater, air, inert gas, and more
- No welding or flanging required – quick installation and removal
- Stainless steel housing options: SUS 316 or SUS 304 for corrosion resistance
- Working pressure: 8 bar (max 16 kgf/cm²)
- Fits pipe OD 137-142mm (nominal size 125mm)
Technical Specifications
| Feature | Specification |
|---|---|
| Type | Straub-Flex |
| Rubber Sleeve Material | EPDM (Ethylene Propylene Diene Rubber) |
| Suitable Media | Seawater, Air, Inert Gas, etc. |
| Nominal Size | 125 mm |
| Pipe OD Range | 137 - 142 mm |
| Working Pressure | 8 bar (max 16 kgf/cm²) |
| Housing Material | Stainless Steel SUS 316 / SUS 304 |
| Unit | Per Piece |
Frequently Asked Questions
What is the working pressure of this coupling?
The working pressure is 8 bar (approximately 116 psi), with a maximum allowable pressure of 16 kgf/cm².
Can this coupling be used for seawater?
Yes, the EPDM rubber sleeve is suitable for seawater, as well as air and inert gas.
What pipe outside diameters does this coupling fit?
This coupling fits pipes with an outside diameter between 137 mm and 142 mm.
Does this coupling require welding or special tools?
No, installation is simple and tool-free – just tighten the bolts. No welding or flanging needed.
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