IMPA: 614141

Marine Straub Pipe Coupling Grip-L Type NBR – 50mm (57-61mm OD)

The Marine Straub Pipe Coupling Grip-L Type is a high-performance pipe repair and connection solution designed for rapid, weld-free installation in shipboard piping systems. This coupling features a robust outer housing, a NBR rubber sleeve, and corrosion-resistant bolts and washers, enabling quick and secure connections without the need for pipe preparation or specialized tools.

Constructed with a NBR (Nitrile Butadiene Rubber) sleeve, this coupling is specifically suited for media such as oil and organic gases, offering excellent resistance to petroleum-based fluids. With a nominal size of 50mm and accommodating pipe outside diameters from 57 to 61mm, it provides a reliable seal at working pressures up to 13 bar. Ideal for emergency repairs, system modifications, and permanent installations in marine environments.

Key Features

Technical Specifications

SpecificationDetails
TypeStraub Grip-L
Rubber Sleeve MaterialNBR (Nitrile Butadiene Rubber)
Suitable MediumOil, Organic Gas
Nominal Size50 mm (2 in)
Pipe Outside Diameter Range57 – 61 mm
Working Pressure13 bar (188 psi)
Housing Material OptionsStainless Steel 316 / 304
UnitPer Piece

Frequently Asked Questions

What is the working pressure of this coupling?

The working pressure is 13 bar (approximately 188 psi).

What pipe sizes does this coupling fit?

It fits pipes with an outside diameter range of 57 to 61 mm, corresponding to a nominal size of 50 mm (2 inches).

Can this coupling be used for oil and gas applications?

Yes, the NBR rubber sleeve is designed for oil and organic gas media, providing excellent chemical resistance.

Is installation possible without welding?

Yes, the Grip-L type coupling requires no welding or special tools – simply slide over the pipe ends and tighten the bolts.

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