IMPA: 614181

Marine Straub Open-Flex Pipe Clamp – 65mm (74-78mm OD) NBR

The Marine Straub Open-Flex Type clamp is designed for emergency repair of pinholes, punctures, and cracks in steel pipes. Its open construction allows installation without dismantling the pipeline or welding, making it ideal for quick leak stoppage on water, air, oil, and steam lines up to 16 kgf/cm².

Crafted with a stainless steel SUS316 body and NBR (acrylonitrile-butadiene rubber) sleeve, this clamp offers excellent resistance to oil and organic gases. Suitable for nominal size 65 pipes with an outside diameter range of 74–78 mm, it delivers a working pressure of 10 bar. The reliable sealing is achieved through the robust housing, rubber sleeve, bolts, nuts, and washers.

Key Features

Technical Specifications

SpecificationValue
TypeStraub Open-Flex Clamp
Body MaterialStainless Steel SUS316
Rubber Sleeve MaterialNBR (Acrylonitrile-butadiene Rubber)
Suitable MediumOil, Organic Gas
Nominal Size65
Pipe Outside Diameter Range74–78 mm
Working Pressure10 bar
Max. Working Pressure16 kgf/cm²
UnitPer Piece

Frequently Asked Questions

What is the working pressure of this clamp?

The working pressure is 10 bar, with a maximum working pressure of 16 kgf/cm².

Can this clamp be used on oil lines?

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

Does the clamp require welding or pipe removal?

No, the Open-Flex design allows installation without dismantling the pipeline or welding.

What pipe outer diameter does this clamp fit?

It fits pipes with an outside diameter of 74–78 mm (nominal size 65).

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