Material: Marked as “DI”, which stands for Ductile Iron. This material is preferred for its high tensile strength and “ductility” (it bends rather than snaps under pressure).
Standard: Marked “IS:9523”. This confirms the fitting meets the Bureau of Indian Standards (BIS) requirements for dimensions and pressure testing.
Certification: The “ISI” mark (the logo with ‘S’ in a square) indicates it is a certified product by the Indian government for quality assurance.
Pressure Rating: Indicating it is rated for a working pressure of 10 bar (10.197 kg/cm2).
