The Grooved Coupling 3.5MPa is engineered for fast, secure, and flexible pipe joining in high-pressure piping systems. Designed in accordance with SABS 815-2 standards, this heavy-duty coupling provides a leak-tight seal while accommodating line deflection and stress.

Built with a durable S.G. Iron body and precision-engineered seals, it offers excellent performance under demanding conditions. Its lightweight construction allows for quick installation, making it an ideal choice for fire protection networks, industrial processing, and commercial fluid systems.

Size Range & Pressure Rating

Size Range: DN40 to DN350

Pressure Rating: 3.5MPa (35 Bar)

Construction & Materials

Body: S.G. Iron (Spheroidal Graphite Iron)

Seals: SBR Rubber (SABS 974 compliant), also available in NBR or EPDM

Bolts & Nuts: Grade 4.8 – Nickel Plated

Key Features

• Designed to SABS 815-2 standards and UL/FM approved

• High pressure rating of 3.5MPa suitable for heavy-duty applications

• Durable S.G. Iron body construction

• Versatile seal options available in SBR, NBR, or EPDM

• Nickel-plated Grade 4.8 bolts for added corrosion resistance

• Lightweight design for easy handling and efficient assembly

Applications

Widely used in fire protection systems (UL/FM approved), water distribution networks, HVAC installations, mining, and general industrial piping applications.

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