
Key Features
- Weld-free installation – quick and easy pipe connection without hot work
- NBR rubber sleeve – resistant to oil, organic gas, and common marine fluids
- Working pressure up to 13 bar (approx. 16 kgf/cm²)
- Accommodates pipe OD range 47-49 mm for nominal size 40 mm
- Stainless steel housing (SUS316 or SUS304) for corrosion resistance
- Ideal for shipboard piping systems: fuel, lube oil, hydraulic, and more
Technical Specifications
| Specification | Value |
|---|---|
| Type | Straub-Grip-L |
| Rubber Sleeve Material | NBR (Nitrile Butadiene Rubber) |
| Suitable Medium | Oil, Organic Gas |
| Nominal Size | 40 mm |
| Pipe Outside Diameter Range | 47 - 49 mm |
| Working Pressure | 13 bar |
| Unit | Per Piece |
Frequently Asked Questions
What is the difference between Straub-Grip-L and other types?
Straub-Grip-L is a specific design that uses a single clamping mechanism with a rubber sleeve. It is ideal for quick connections without welding and is commonly used in ship piping systems.
Can this coupling be used for seawater systems?
While the NBR sleeve is excellent for oil and organic gas, it is not recommended for seawater. For seawater, a coupling with EPDM or other suitable rubber should be used.
What is the maximum working pressure?
The working pressure is 13 bar (approximately 16 kgf/cm²). Ensure your system pressure does not exceed this limit.
Is the housing made of stainless steel?
Yes, the housing is available in stainless steel grades SUS316 or SUS304, both offering good corrosion resistance for marine environments.
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