IMPA: 614187

Marine Straub Open-Flex Pipe Clamp – NBR Sleeve, 250mm (263-273mm OD)

This marine-grade Straub Open-Flex type pipe clamp is designed for emergency repair of pinholes, perforations, or cracks in steel pipes without welding or pipe cutting. The open design allows installation without dismantling the pipeline, making it ideal for onboard repairs of water, gas, oil, and steam lines. Rated for working pressure up to 7 bar (16 kgf/cm² max).

Constructed with a stainless steel SUS316 body and an NBR (acrylonitrile-butadiene rubber) sleeve, this clamp is suitable for oil and organic gas media. The nominal size is 250mm, accommodating pipe outside diameters from 263 to 273mm. The clamp provides a reliable seal through its housing, rubber sleeve, bolts, nuts, and gaskets.

Key Features

Technical Specifications

SpecificationValue
TypeStraub Open-Flex Clamp
Body MaterialStainless Steel SUS316
Rubber Sleeve MaterialNBR (Acrylonitrile-butadiene Rubber)
Suitable MediumOil, Organic Gas
Nominal Size250 mm
Pipe Outside Diameter Range263 – 273 mm
Working Pressure7 bar
Max Working Pressure16 kgf/cm²
UnitPer Piece

Frequently Asked Questions

What is the working pressure of this clamp?

The working pressure is 7 bar, with a maximum working pressure of 16 kgf/cm².

Can this clamp be used for oil lines?

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

Do I need to dismantle the pipe for installation?

No, the open design allows installation without removing the pipe from the system.

What pipe outside diameter does this clamp fit?

It fits pipes with an outside diameter between 263 and 273 mm.

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