IMPA: 614185

Marine Straub Open-Flex Pipe Clamp – NBR Sleeve, 150mm (165-171mm OD)

The Marine Straub Open-Flex Type Clamp is an emergency repair solution designed for quick sealing of pinholes, perforations, or cracks in steel piping systems. Its open-flex design allows installation without removing the pipe or requiring welding, making it ideal for urgent repairs in confined spaces. Suitable for water, air, oil, and pressurized steam lines, this clamp delivers reliable sealing up to 16 kgf/cm².

Constructed with a SUS316 stainless steel body (SUS304 available on request) and a nitrile rubber (NBR) sleeve, it offers excellent resistance to oil and organic gases. The nominal size 150 accommodates pipe outer diameters from 165 to 171 mm, with a working pressure of 8 bar. The clamp assembly includes housing, rubber sleeve, bolts, nuts, and gaskets for a secure, leak-proof joint.

Key Features

Technical Specifications

AttributeValue
TypeStraub Open-Flex Clamp
Body MaterialStainless Steel SUS316
Rubber Sleeve MaterialNBR (Acrylonitrile-butadiene Rubber)
Suitable MediumOil, Organic Gas
Nominal Size150
Pipe Outside Diameter Range165 – 171 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 allowable pressure of 16 kgf/cm².

Can this clamp be used on pipes carrying oil?

Yes, the NBR rubber sleeve is resistant to oil and organic gases, making it suitable for oil pipelines.

Does the clamp require welding or pipe removal for installation?

No, the open-flex design allows installation without removing the pipe or performing any welding work.

What pipe outer diameters does this clamp fit?

It fits pipes with an outer diameter ranging from 165 mm to 171 mm.

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