12″ NATIONAL RIGID COUPLING (ST.05)

WINGROU grooved coupling are suitable for fire protection systems, water systems and other process systems of higher working pressure

Available Sizes

• 1” to 12” /25mm to 300mm

Pipe Material

• Carbon Steel, Schedule 10, Schedule 40.
• For use with alternative materials wand wall thickness please contact Wingrou

Maximum Working Pressure

• Listed pressure is maximum working pressure, for Fire Protection application, approved pressure by related authorities should be used UL/ULC 300si 2065kPa/21 bars FM 300Psi 2065kPA/21bars

Function

• Joins carbon steel pipe.
• Provides a rigid pipe joint designed to restrict axial or angular movement.
• Certifications/Listing
• Underwriters Laboratories, Under Laboratories Canada, Factory Mutual.

Specifications-Material

• Housing Sections: Ductile Iron confirming to ASTM A 536,Grade 65-45-12.

Surface Finish:

• Standard: RAL 3000 Red Paint Mat Finish/Epoxy powder coating
• Available: Hot Dipped Galvanized/Zinc Plated, Dipped Painted