IMPA: 614189

Marine Straub Open-Flex Pipe Repair Clamp 40A (47-50mm) - NBR Sleeve

The Marine Straub Open-Flex Type Clamp is a high-performance pipe repair solution designed for emergency sealing of pinholes, cracks, and perforations in steel pipes. With an open-flex design, it can be installed without disassembling the pipeline, saving critical time during repairs. Suitable for water, air, oil, and steam lines, this clamp delivers a working pressure of 10 bar (max 16 kgf/cm²).

Constructed from durable SUS316 stainless steel (SUS304 available on request) and featuring an NBR (acrylonitrile-butadiene rubber) sleeve, this clamp is ideal for oil and organic gas applications. The 40A size fits pipes with an outer diameter of 47-50 mm. Each unit includes the clamp body, rubber sleeve, bolts, nuts, and gaskets for a reliable seal.

Key Features

Technical Specifications

SpecificationDetail
TypeStraub Open-Flex Clamp
Body MaterialSUS316 Stainless Steel
Sleeve MaterialNBR (Acrylonitrile-butadiene Rubber)
Suitable MediaOil, Organic Gas
Nominal Size40A
Pipe OD Range47 - 50 mm
Working Pressure10 bar
Max Working Pressure16 kgf/cm²
UnitPer Piece

Frequently Asked Questions

What is the maximum working pressure of this clamp?

The clamp has a working pressure of 10 bar, with a maximum allowable pressure of 16 kgf/cm².

Can this clamp be used for gas lines?

Yes, the NBR sleeve is suitable for organic gas and oil media. For other gases, please verify compatibility.

Does the clamp come complete with hardware?

Yes, each unit includes the clamp body, rubber sleeve, bolts, nuts, and gaskets – everything needed for installation.

What pipe outer diameters does this size fit?

The 40A clamp fits pipes with an outer diameter between 47 mm and 50 mm.

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