IMPA: 614174

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

The Straub Open-Flex pipe repair clamp is designed for emergency repairs of steel pipes with pinholes, cracks, or perforations. It requires no welding or special pipe fittings, and the open design allows installation without dismantling the pipeline. Suitable for water, air, inert gas, and steam lines up to 16 kgf/cm² maximum working pressure.

This model features a stainless steel SUS316 body (SUS304 available on request) and an EPDM rubber sleeve rated for seawater, air, and inert gas. The nominal size is 125mm, accommodating pipe outer diameters from 137 to 142mm. Working pressure is 8 bar (16 kgf/cm² max). The reliable seal is achieved through the housing, rubber sleeve, bolts, nuts, and gaskets.

Key Features

Technical Specifications

SpecificationDetails
TypeStraub Open-Flex Clamp
Body MaterialStainless Steel SUS316
Rubber Sleeve MaterialEPDM
Suitable MediaSeawater, Air, Inert Gas
Nominal Size125 mm
Pipe OD Range137 – 142 mm
Working Pressure8 bar
Max Working Pressure16 kgf/cm²
UnitPer Piece

Frequently Asked Questions

What pipe sizes does this clamp fit?

This clamp fits steel pipes with an outer diameter between 137 mm and 142 mm (nominal size 125 mm).

Can this clamp be used for seawater lines?

Yes, the EPDM rubber sleeve is suitable for seawater, air, and inert gas applications.

Is welding required for installation?

No, the Open-Flex design allows installation without welding or pipe disassembly.

What is the maximum working pressure?

The maximum working pressure is 16 kgf/cm² (8 bar working pressure).

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