IMPA: 614184

Marine Straub Open-Flex Clamp – NBR 125mm (Pipe OD 137-142mm)

The Open-Flex Clamp is a specialized repair clamp designed for rapid sealing of pinholes, punctures, or cracks in steel pipes without the need for pipe cutting or welding. Its open construction allows installation without dismantling the pipeline, making it ideal for emergency repairs onboard ships.

Constructed with a stainless steel SUS316 body and an NBR (acrylonitrile-butadiene rubber) sleeve, this clamp is suitable for media such as oil and organic gas. It provides a working pressure of 8 bar (max 16 kgf/cm²). The clamp accommodates pipe outside diameters from 137 to 142 mm and is secured with bolts, nuts, and washers for a reliable seal.

Key Features

Technical Specifications

SpecificationValue
TypeStraub Open-Flex Clamp
Body MaterialStainless Steel SUS316
Rubber Sleeve MaterialNBR (Acrylonitrile-butadiene Rubber)
Suitable MediumOil, Organic Gas
Nominal Size125
Pipe Outside Diameter Range137 - 142 mm
Working Pressure8 bar
Max. Working Pressure16 kgf/cm²
UnitPer Piece

Frequently Asked Questions

What is the maximum working pressure of this clamp?

The working pressure is 8 bar, with a maximum working pressure of 16 kgf/cm².

Can this clamp be used for oil pipelines?

Yes, the NBR rubber sleeve is suitable for oil and organic gas media.

What is the pipe outside diameter range?

This clamp fits pipe outside diameters from 137 mm to 142 mm.

Do I need to cut the pipe to install this clamp?

No, the open-flex design allows installation without cutting or disassembling the pipe.

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