IMPA: 614152

Marine Straub Pipe Coupling Flex Type EPDM 80mm (87-93mm OD)

The Flex Type pipe coupling is a versatile pipe joining solution designed for marine shipboard piping systems. It allows quick and easy connection of pipes without the need for welding or additional fittings, significantly reducing installation time and labor. The flexible design provides excellent pipe alignment tolerance and vibration absorption, making it ideal for applications where thermal expansion or mechanical movement is expected.

Constructed with a stainless steel housing (SUS 316 or SUS 304) and an EPDM rubber sleeve, this coupling is suitable for a wide range of media including seawater, air, and inert gas. With a nominal size of 80mm and a pipe outside diameter range of 87-93mm, it handles working pressures up to 10 bar (approx. 16 kgf/cm²). It is widely used in marine piping systems for quick repairs, connections, and vibration damping.

Key Features

Technical Specifications

AttributeValue
TypeStraub-Flex Type
Rubber Sleeve MaterialEPDM (Ethylene Propylene Diene Rubber)
Suitable MediumSeawater, Air, Inert Gas, etc.
Nominal Size80 mm
Pipe Outside Diameter Range87 - 93 mm
Working Pressure10 bar (approx. 16 kgf/cm²)
Housing MaterialStainless Steel SUS 316 or SUS 304
UnitPer Piece

Frequently Asked Questions

What is the working pressure of this coupling?

The working pressure is 10 bar (approximately 16 kgf/cm²).

What pipe materials can this coupling connect?

It is designed for metal pipes such as steel, stainless steel, and copper. The coupling accommodates pipe outside diameters from 87 to 93 mm.

Is the rubber sleeve resistant to seawater?

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

Do I need to weld to install this coupling?

No, installation requires no welding or special fittings. Simply place the coupling over the pipe ends and tighten the bolts.

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